GB/T 5008.1-2005 Technical requirements for lead-acid batteries for starting
Some standard content:
ICS 29.220.20
National Standard of the People's Republic of China
GB/T5008.1—2005
Generation C3/T 5008.11991
Lead-acid starter batteries-Technical cenditions(IEC 60095-1:2000,lead-acid starter batteries - Par11:Gcncralrequirements and methods of test ,MOD)050928078700
2005-01-18 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Standardization Administration of China
2005-08-01 Implementation
Normative reference documents
Terminology and symbols·
Technical requirements
Low temperature starting capability
Charge acceptance
Charge retention capability
Electrolyte retention capability
Cycle endurance
Vibration resistance
Water loss
Starting capability of charged cyanine battery
Starting capability of the following cyanine battery after storage without liquid filling·Air tightness·
Resistance to temperature change (Applicable to plastic slot batteries) - Sealing agent.
Storage period...
Test method
Electrolyte
Pretreatment before test
Capacity test
Low temperature starting ability test
Charge acceptance test
Charge retention test
Electrolysis retention test
Cycling endurance test
Vibration resistance test·
Water loss test
Starting ability test of dry-type charged batteries Starting ability test of dry-type charged batteries after storage without liquid filling Air tightness test
Thermal change resistance test·
Sealing agent test
Storage period test
Inspection rules
GB/T 5008.1--2005
B/T 5008.1-2005
Inspection classification
Sampling rules
Designation rules
Marking, packaging, transportation and storage
GB/T5008% "Starting lead-acid batteries" is divided into 3 parts: Part 1: Technical conditions for starting lead-acid batteries; - Part 1: Product varieties and specifications of starting lead-acid batteries; - Part 3: Dimensions and marking of starting lead-acid batteries, GB/T5008.1—2005
This part is the first part of GB/T5008, corresponding to IFC50095-1:200C&Starting lead-acid batteries Part 1: General requirements and test methods. This part is modified and adopted in accordance with the consistency procedures of IFC60095-1:2000. The main differences are as follows: According to my country's national conditions, the technical requirements and test methods for items such as air tightness, temperature change resistance and sealants are added. Compared with GR/T5008.1-1991, the main changes of this part are as follows: the relevant technical requirements and test methods of valve-controlled (with gas recombination function) type battery discharge are added; the technical requirements and test methods of the cycle endurance of H-type batteries are revised according to IEC00951:2000 Lead-acid batteries for starting - Part 1: General requirements and test methods; the technical requirements and test methods of vibration resistance of B-type batteries are revised according to IEC60095-1:2000 Lead-acid batteries for starting - Part 1: General requirements and test methods; the relationship between reserve capacity and 20h capacity is revised according to IEC60095-1:2000 Lead-acid batteries for starting, Part 1: General requirements and test methods; maintenance-free batteries are renamed as vented batteries (less water loss). This part is implemented from the date of implementation. At the same time, GB/T5008.1·1991 This part is proposed by the China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Lead-acid Battery Standardization Technical Committee. Other parts were drafted by Shenyang Battery Research Institute. The main drafter of this part is Shen Jingping.
The previous versions of the standards replaced by this part are: CB/T E008. 1- 1985, GH/T 5008. 1 1991.1 Scope
Technical conditions for lead-acid batteries for starting
CB/T5008.1—2005
This part of GB/T5008 specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of lead-acid batteries for starting
This part is applicable to exhaust (flooded) lead-acid batteries (hereinafter referred to as batteries) and valve-controlled (with gas recombination function) batteries with a rated voltage of 12V for starting, ignition and lighting of various automobiles, tractors and other internal combustion engines. This part is not applicable to batteries used for other purposes, such as batteries for starting railway diesel locomotives. 2 Normative references
The provisions in the following documents become the provisions of this part through reference in this part. For dated references, all subsequent amendments (excluding errata or revisions) are not applicable to this part. However, parties to agreements based on this part are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest versions apply to this part. GB/T 5008.2
JB/T10C52
3 Technical symbols
Starting lead-acid batteries
Product varieties and specifications
Electrolyte for lead-acid batteries
Re-rated capacity, Ah.
Micro current, the value is C/20
Xin actual capacity, Ah.
Ce——20h
I—Starting current value see GB/T5008.2 .AChn
Rated reserve capacity, min.
Actual reserve capacity, min.
Discharge current value of charging connection test is shown in 5.6.A. Charging test current value when charging to 10min, AgA class battery
B class battery
20h rated capacity battery 100Ah rated capacity greater than or equal to 100Ah 0h rated capacity battery. Vented battery has a discharge current of 100Ah on the battery cover. A secondary exhaust (rich liquid) type battery with one or more openings that can release gas products.
A valve-controlled (gas recombination function) type battery. A valve-controlled battery is a secondary battery that is sealed under normal conditions and has a device that allows gas to be released when the internal gas pressure exceeds a predetermined value. Electrolyte cannot be added to this type of battery under normal conditions. In this type of battery, the electrolyte does not flow.
4 Technical requirements
4.1 Capacity
4.1.1 Rated reserve capacity
4.1.1.1 The rated reserve capacity C. shall comply with the provisions of GB/T5008.2. 4.1.1.2 The actual reserve capacity Ct shall reach the rated reserve capacity C. at the third or previous reserve capacity test. 4.1.2 20h rate rated capacity
4.1.2.1 The rated capacity Cc shall comply with the provisions of GB/T5008.2.1
GB/T 5008.1—2005
4.1.2.2 The actual capacity C in the third or previous capacity test shall not be less than 95% of the rated capacity C2. 4.1.3 The capacity test shall preferably adopt the rated reserve capacity in 4.1.1. The rated capacity in 20 h rate in 4.1.2 may also be adopted. The rated reserve capacity in 20 h rate is determined by the manufacturer. 4.2 Low temperature starting capability
4.2.1 The discharge resistance shall be tested in accordance with 3.5. When the discharge current is 1-55V, the terminal discharge voltage of the battery shall not be less than 9.00V. After 60s, the average voltage of the single battery shall not be less than 8.0 V.
4.2.2 Low temperature starting capacity
During the third or previous temperature resistance starting capacity test, the requirements of 1.2.1 shall be met. 4.3 Charge acceptance
When the battery is tested in F.5, the ratio of charging current 1 to (2/2℃) shall not be less than 3.0. 4.4 Charge retention
When the battery is tested in accordance with 5.7, the battery terminal voltage shall not be lower than 7.20V with a current discharge ratio of 1 to 305. 4.5 Electrolyte retention
When the battery is tested in accordance with 5.8, there shall be no electrolyte leakage or splashing on the surface. 4.6 Cycle endurance
When the Class A battery is tested in accordance with 5.9.1, the battery terminal voltage shall not be lower than 7.When 20V, B-type batteries are tested according to 5.9.2, the battery terminal voltage shall not be lower than 7.20V at a current of 1.335V. 4.7 Vibration resistance When the battery is tested according to 5.10, the battery terminal voltage shall not be lower than 7.20V at a current of 1.00V. 4.8 Water loss
4.8.1 Vented battery (less water loss)
When the battery is tested according to 5.1.1, the actual capacity C (actual reserve capacity C) shall be used for calculation. The battery mass loss shall not be greater than 4x/Ah (or 2.66g/min).
4.8.2 Valve-controlled battery
When the battery is tested according to 5.11.2, the actual capacity C (or actual reserve capacity C) shall be used for calculation. The battery mass loss [(W,-W,)/2] shall not be greater than 1 g/Ah (or 0.67 g/min). 4.9 Starting capacity of dry-type charged battery
When the battery is tested according to 6.12, the battery terminal voltage shall not be less than 9.00 V, at 15℃, the average voltage of the single cell shall not be less than 6.00V
4.10 Starting capacity of dry-type servo batteries after storage without liquid filling. When testing the battery according to 13, the battery terminal voltage shall not be less than 6.00V with a current of 100V. 4.11 Air tightness
The battery shall have good air tightness when tested according to 3.14. 4.12 Temperature change resistance (applicable to plastic tank batteries) When tested under 5.15 with live connection, it shall comply with the provisions of 4.11. 4.13 Sealing agent
When testing according to 3.16, the sealing agent shall not crack or separate from the tank cover at 30℃; it shall not overflow at 65℃. 4.14 Storage period
When testing the battery according to 5.17: the sealing capacity and low temperature starting capacity shall comply with the provisions of 4. 1 and 4.2, 5 Test methods
5. 1 Measuring instruments
5.1.1 Electrical measurements
5.1.1.1 Instrument range
The instrument range used should change with the measured voltage and current, and the reading of the meter should be within the last tenth of the range. 5.1.1.2 Voltage measurement
GB/T 5008.1—2005
The instrument used to measure voltage should be a voltmeter with a precision of 1.0 or higher, and the internal resistance of the voltmeter should be at least 3000/V. 5. 1. 1.3 Current measurement
The instrument used to measure current should be an ammeter with a precision of 1.0 or higher. 5. 1.2 Temperature measurement
The thermometer used to measure temperature should have an appropriate range, and each scale value should not be greater than 1°C. The calibration accuracy of the thermometer should not be less than 0.5°C.
5.1.3 Density measurement
The density meter used to measure the density of electrolyte should have an appropriate range, and each scale value should not be greater than 0.005 g/cm. 5.1.4 Time measurement
The instrument used to measure time should be divided into hours, minutes and seconds, and should have an accuracy of at least ±1°C per hour. 5.1.5 Dimension measurement
The instrument used to measure the external dimensions of the battery should have an accuracy of more than 1 m/s. 5.1.6 Mass weighing
The weighing instrument used to weigh the mass of the battery should have an accuracy of more than ±0.05 m/s. 5.2 Electrolyte
5.2.1 The electrolyte density of the fully charged battery used for all tests is 1.28g/t:tm=0.018/cm (25℃), which may also be specified by the manufacturer.
5.2.2 When the battery is fully charged, the electrolyte level should comply with the manufacturer's regulations. If there is no regulation, the liquid level should be 10mm-~15mm above the protective plate
5.2.3 The electrolyte should comply with the provisions of JB/T1CC52 standard. 5.3 Pretreatment before the test
5.3.1 The test should be carried out on new batteries. All batteries must be fully charged before the test. The circulating battery must be activated. 5.3.2 The full charge can be carried out according to the constant current charge or the improved constant voltage charge. During the charging period, the electrolyte temperature should be maintained between 25℃=10℃, and the measurement of the middle single cell shall prevail. 5.3.2.1 Constant current charging of vented batteries The battery is charged with 2I.V current until the average voltage of the single cells reaches 2.40V, and then continues to charge for 3 hours (the charging time after the starting test is 16 hours). 5.3.2.2 Improved constant voltage charging of vented batteries The battery is allowed to be charged at 16.V voltage for 24 hours (the charging time after the starting test is 16 hours). The maximum current is limited to 51. 5.3.2.3 Charging of valve-regulated batteries The battery is charged at 1.40V voltage for 2 hours. The maximum current is limited to 51. Then it is charged with 0.51 current for another 5 hours. 5.3.3 The charging time of the battery is allowed to be specified by the manufacturer separately. 5.4 Capacity test 5.4. 1 Reserve capacity test
5.4.1.1 During the entire test period, the battery is placed in a water bath at a temperature of 25℃±2℃. The upper edge of the battery exposed to the water shall not exceed 25mm. The distance between the batteries and between the battery and the water bath wall shall not be less than 25mm.5.4.1.2 Within 1h-~5h after the battery is fully charged: when the electrolyte concentration reaches 25℃±2, discharge at a current of 25A until the battery voltage reaches (19.50±0.05)V, and record the discharge duration (min). 5.4.2 20h rate capacity test
5.4.2.1 Entire During the test, the batteries are placed in a water bath at a temperature of 25℃±5℃. The upper edge of the battery shall not be more than 25mm above the water surface. The distance between the electrolyte and the water bath of the battery shall not be less than 25mm. GB/T5008.1-2005
5.4.2.2 Within 1h~5h after the battery is fully charged, when the electrolyte temperature reaches 25℃±5℃, discharge with a current of 1 until the battery terminal voltage reaches (10.50±0.05)V, and record the discharge duration t (min). 5.4.2.3 The actual capacity at 20h rate is calculated according to formula (1): C=-1a X t[1-0.01(T-25)]
Where:
Intermediate single cell electrolyte temperature at the end of discharge, in degrees Celsius (°C); 0.01
Temperature coefficient.
5.4.3 The relationship between reserve capacity and 20h rate capacity is calculated according to formula (2): C
Where:
α=1.170 (flooded battery) or Q=1.130 (valve-controlled battery); β=0.830 (flooded oil) or β-1070 (valve-controlled battery) 5.5 Low temperature starting capability test (1) Within 1 hour after the battery is fully charged, place the battery in a low temperature box or room at a temperature of -18 ± 1°C for at least 20 hours. Or when the temperature of the intermediate single battery reaches (-18 ± 1°C), discharge the battery in the room or from the low temperature box within 1 minute with a current of T for 60 seconds and record the battery terminal voltage at 60 seconds. 5.6 Charge acceptance capability test 5.6.1 Discharge the fully charged battery at a temperature of 25 ± 5°C with a current of 1.5V for 5.6.21. According to the formula: 5.6.3 Discharge result I.-C/10 (A).. The maximum value among the three tests is taken. Immediately place the battery in a low temperature box or room at a temperature of 0 ± 1°C for 20 h to 25 h. 5.6.4 After the battery is in a low-temperature room or taken out of a low-temperature box, the battery shall be charged at a constant voltage (14.0V) for 5.7 minutes. After 10 minutes, tighten the plug of the fully charged battery, clean the surface of the battery, and place it in a water bath at a temperature of 40 ± ? C with an open circuit. Then the battery shall be charged and the low-temperature starting test shall be carried out according to 5.5. After 30 minutes of discharge, the battery terminal voltage shall be measured. 5.7.3 For the vented battery (water-cooled) or valve-controlled battery, place it in an open circuit for 49 days under the same conditions as 5.7.1, and then the low-temperature starting ability test shall be carried out according to 5.7.2.
5.8 Electrolyte retention capacity test
5.8.1 Vented battery
5.8.1.1 Place the fully charged battery in an open circuit for 4 hours5.8.1.2 If necessary, adjust the electrolyte level in each single battery to the specified position again. 5.8.1.3 Tighten the battery plug and then wipe the battery surface. 5.8.1.4
Proceed.
The battery is tilted in the four directions of forward, backward, left and right in turn. The interval between each tilt is not less than 30 seconds. The tilting is in accordance with the following conditions5.8.1.4.1
5.8.1.4.2
5.8.1.4.3
The battery is tilted 45° from a vertical position within 15°C and maintained at this position for 35°C.
The battery is restored from an inclined position to a vertical position within 1S. 5.8.1.5 Observe by daily measurement whether the electrolyte has splashed out. 5.8.2 Valve-regulated battery
GB/T5008.1—2005
5.8.2.1 After the battery is fully charged, immediately invert the battery on a piece of blotting paper with an isolation surface and invert it for 6 hours in an environment with a temperature of 25°C ± 5°C.
5.8.2.2 No trace of electrolyte should be found on the blotting paper by daily measurement. 5.9 Cyclic endurance test
5.9.1 Cyclic endurance test of Class A batteries 5.9.1.1 During the entire test period, except for the low-temperature starting test, the batteries shall be placed in a water bath at a temperature of 40°C ± 2°C. The upper edge of the batteries shall not be more than 25 mm above the water surface. The distance between the batteries and between the curtain battery and the water bath wall shall not be less than 25 mm. 5.9.1.2 The fully charged batteries shall be placed in a 5I g current discharge for 1h, then charge at a constant voltage of 14.80V±0.05V for 2h (14.40V±0.05V for valve-regulated batteries) with a maximum current of no more than 1012e. This constitutes one cycle. After the battery has been cycled 32 times in a row, it is left to stand in an open circuit for 72h, and then charged at a constant voltage of 14.80V±0.05V for 2h (14.40V±0.05V for valve-regulated batteries) with a maximum current of no more than 1012e. This is used for supplementary power, followed by the next cycle endurance test unit test. Note: The constant voltage charging voltage value of the battery is allowed to be determined by the manufacturer separately. 5.9.1.3 32 cycles followed by open circuit rest time constitute a cycle endurance test. 5.9.1.4 After the battery has been subjected to such a test unit, it is subjected to 32 cycles and open circuit rest for 7 hours. The battery is not supplemented with electricity. According to 5.5, the low temperature starting performance test is carried out, and the battery terminal voltage is measured and recorded. 5.9.2 Cyclic endurance test of Class B batteries 5.9.2.1 During the entire test period, except for the low temperature starting performance test, the battery is placed in a water bath at a temperature of 40℃±2℃ according to the requirements of 5.9.1.1.
5.9.2.2 The fully charged battery is charged at a constant voltage of 14.80V±0.05V for 5h (14.40V±0.05V for valve-regulated batteries) with a maximum current not exceeding
I2, followed by a discharge at a current of 5I for 2h, which constitutes one cycle. After the battery has been subjected to 14 consecutive cycles, it is charged at a constant voltage of 14.80V±0.05G for 2h (1446V±0.05V for valve-regulated batteries) with a maximum current not exceeding 5Ia, for supplementary charging, and then left to rest for 70h, followed by the next cycle endurance test unit test.
Note: The battery's open circuit charging voltage value is allowed to be determined separately by the manufacturer: 5.9.2.314 cycles followed by the open circuit rest time constitute the test of a cycle endurance test unit. 5.9.2.4 Battery
5.9.2.5 Storage battery
Measure the battery terminal voltage.
5.10 Vibration resistance test
At the end of the first cycle discharge, the average voltage of the single battery shall not be less than 10.00. After such a test unit, without supplementary power, connect 5.5 to carry out low-voltage starting ability test, discharge for 30s, and after the storage battery is fully charged, store it in an environment with a temperature of 25±100 for 24h, and then fasten it to the vibration test bench by one of the following two methods. 5.10.1
Use the battery slot bottom clamping device or the groove bottom flange and appropriate clamping tools, and tighten with M8 bolts to a torque of at least 15Nm
Use the angle iron cabinet to cover the upper edge of the battery slot cover assembly, with the minimum covering width X value (see Table 1), and tighten with four M8 bolts to a torque of at least 8Nm.
With battery type
GB/T 5008.1—2C05
5.10.2 The battery is subjected to a frequency of 30Hz35H2. Vertical vibration for a period of time (see Table 1), and the vibration is as close to the normal value as possible. 5. 10.3 The maximum acceleration of the battery should be sent to the value (see Table 1) After the vibration test, the battery is not recharged, and is discharged at a temperature of 2:℃±2℃ for 60 seconds, and the temperature is measured.
5.11 Water loss test
5.11.1 Vented battery (less water loss) 5.11.1.1 After the battery is fully charged, clean the surface of the battery and weigh it to an accuracy of ±0.05%. 5.11.1.2 Then, place the battery in a water bath with a temperature of 1°C ±2% in accordance with the requirements of 5.9.1.1. 5.11.1.3 Charge the battery at a constant voltage of 14.40 V ±0.05 V for 500 h. 5.11.1.4 After the battery is fully charged, weigh it immediately in accordance with the requirements of 5.11.1.1. 5.11.2 Valve-regulated battery
5.11.2.1 The fully charged battery shall be placed in a water bath with a temperature change of 40%:12 in accordance with the requirements of 5.9.1. 5.11.2.2 After charging the battery at a constant voltage of 14.10V + 1.0.05V for 500 h, wipe the entire surface of the battery clean, dry it and weigh the mass (W) to an accuracy of ±0.05%.
5.11.2.3 The battery is placed in a water bath at a temperature of 40°C ±2°C according to the requirements of 5.9.1.1, and charged at a constant voltage of 14.40V + 0.05V for 100 h. After that, wipe the entire surface of the battery clean, dry it and weigh the mass (W) to an accuracy of ±0.05%. 5.12 Starting ability test of dry-charged battery 5.12.1 This test should be carried out within 60 days after the battery is produced. 5.12.2 Place the battery and the electrolyte that complies with 5.2 in a room at a temperature of 25℃±℃ for at least 12h. Then, in the same environment: follow the provisions of 5.2 and inject the electrolyte into the battery. After standing for 20min, measure the battery terminal resistance at 5s and 150s at a current of 1.H/50.5. 5.13 Starting capacity test of dry-type charged batteries after storage without electrolyte injection 5.13.11 Dry-type charged batteries shall be stored for 12 months in an environment with a temperature of 207±0℃ and a relative humidity not exceeding 80% under the conditions required by the manufacturer's instructions.
5.13.2 Place the battery and the electrolyte that complies with 5.2 in a room with a temperature of 25℃-5℃ for at least 121. Then, in the same environment, inject the electrolyte into the battery according to the provisions of 5.2. After standing for 20 Trins, discharge it with a current of 1.30> and measure the battery terminal voltage. 5.14 Air-tightness test
Each single battery without electrolyte shall be filled or evacuated with air so that the internal air pressure is equal to kPa and the pressure gauge reading is within 5~-5.5 kPa. 5.15 Temperature change resistance test
5.15.1 The storage range of electrolyte without electrolyte shall be kept within 25℃±10℃. Air-tightness test shall be carried out according to 5.12. 5.15.2 Place the battery meeting the requirements of .11 in an environment of 65℃=1℃ for 24h, then place it in an environment of 25℃±10℃ for 12a, then place it in an environment of -39℃±1℃ for 24h, and then place it in an environment of 25℃±10℃ for 12a. 5.15.3 Carry out air-tightness test according to 5.14. 5.16 Sealing agent test
5.16.1 Cold resistance test
Put the battery without electrolyte in it into a low temperature box or a low temperature room at room temperature and keep it at a temperature of 1°C for 3 hours. When the temperature returns to 20°C [1°C], observe it with a microscope within 1 minute after taking it out of the low temperature room or the low temperature box. The sealing agent should not have cracks and should not be separated from the groove and the bead.
5. 15. 2 Heat resistance test
Take the battery that has undergone the cold resistance test, unscrew the liquid hole, place it at room temperature for 6 hours, put it in a temperature box, and tilt the battery to 15 degrees, and keep it at 65℃=1'℃ for 6 hours. Then take out the sterile battery from the leak box and observe it with a small amount of water. If the sealant is overflowing, 5.17 Storage period test
GR/T 5008.1—2005
The battery is stored for 24 months under the conditions specified in the manufacturer's instructions, in an environment with a temperature of 20℃±10℃ and a relative humidity not exceeding 80%, and then the test is carried out according to 5.2 and 5.5. 6 Inspection rules
6.1 Inspection classification
The inspection of batteries is divided into type inspection, exit inspection and periodic inspection. 6. 1.1
Test items and sample quantity for battery type inspection are shown in Table 2. The type inspection of the battery should be carried out continuously. Test items, sample quantity and test cycle for battery factory inspection and quality adjustment inspection are shown in Table 3. Table 2
Test items
Ten-stage charged discharge starting energy
Permissible storage capacity or 20 1-rate capacity
Low melting starting energy (≤5.5)
Reserve straight or 0-rate capacity
Low temperature starting capacity (5.5)
Reserve capacity or 20 Rate capacity
Low temperature starting capability (5,5)
Charge acceptance energy method (5.6)
Electrolysis retention capacity (3.7)
Electrolysis retention capacity (5.6)
Cycle endurance (5.9)
Vibration parts (5.10)
Water simulation (11)
Resistance to temperature change or sealing agent
(5,15) or (5.16)
Note 1, dry battery starting energy method is only applicable to the following type of battery. X
Note 2: Water simulation consumption test is only applicable to the following vented batteries: low water loss and valve controlled venting. Battery No.
Note 3. Reserve capacity or 2C:1. Rate capacity base and low temperature starting capability test must be completed in advance. If the specified requirements are met in advance, the following interphase test items can be omitted. GB/T5008.1—2005
6.2 Sampling rules
Inspection classification
Factory inspection
Periodic inspection
Test items
Maximum external dimensions
Air tightness
Low-temperature starting capability
Charge acceptance
Charge retention capability
Electrolyte retention capability
Cyclic endurance
Vibration resistance
Water loss
Starting capability of charged batteries
Resistance to temperature change
Sealing agent
Storage period
Storage of charged batteries without liquid filling 6.2.1 For the sampling rules for type inspection of the same series of products, the manufacturer should be used as the basis, and the specification with the largest output should be selected as the representative product. Sample quantity
1% random inspection
Inspect each one
Test cycle
Monthly
Once a monthbZxz.net
Once a month
Once a year
Once a year
Once a year
Once a year
Once a year
Once a year
Once a month
Once a year
Once a year
Statistics of actual annual production (in terms of number of batteries)6.2.2 When a month does not produce any representative product, the monthly test can be conducted on the product with the highest production in that month.
6.2.3Once a month and annually
6.3 Judgment rules
Test items must be tested with representative products and cannot be replaced by products of other specifications. 6.3.1 For any test item that is not evaluated based on test data, when the test fails, the item shall be judged as unqualified. 6.3.2 For any test item that is evaluated based on test data, the test data of the item shall be used as the basis for judgment. 6.3.3 For the storage period test, whether 2 out of 3 of the batteries in the test meet the standard requirements shall be used as the basis for judgment. 6.3.4 For the test items in the type inspection, when the first test does not meet the standard requirements, a second double sampling test may be carried out. If there are still items that do not meet the standard requirements, they shall be judged as unqualified. 7 Marking, packaging, transportation, storage
7.1 Marking
Battery products shall have the following markings:
Manufacturer name:
Product model or specification;
Manufacturing date,
Trademark;
Polarity symbol.
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