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Safety Characteristics:

NO. Items Technical Requirements Test Methods & Steps
1 Overcharge Test No explosion. No fire. a)Standard charge;
b)Charged to 5.48V with 63A current, or charged for 90min, observing for 1h.
2 Over-discharge Test No explosion. No fire. No leakage. a)Standard charge;
b)Discharged with 63A current for 90min, observing for 1h.
3 Short-circuit Test No explosion. No fire. a)Standard charge;
b)Connect the cell(battery module) positive and negative terminals with wire for 10min directly. The resistance of external line should be less than 5mΩ, observing for 1h.
4 Nail penetration
No explosion. No fire. a)Standard charge;
b)Penetrate the cell(battery module) from the vertical direction throughout the inside plates with the φ6mm ~φ8mm needle at (25 ± 5) mm/s speed (needle stays in the battery) , observing for 1h.
5 Crushing Test. No explosion. No fire. a)Standard charge;
b)According to the following test conditions:
Squeezing direction: Pressure perpendicular to the battery plates;
Squeezing paper shape: half cylinder with 75mm diameter, whose length is more than the size of cell,but is less than 1m.
Squeezing speed: (5±1)mm/s;
Squeezing level: Until the battery voltage becomes 0V or the deformation is to 30% or the press is to the value listing in table 1 , stop squeezing;
c)observing for 1h.
6 Drop Test No explosion. No fire.
No leakage.
a)Standard charge;
b)the cell(battery module) drops with two terminals down from a height of 1.5m onto the cement floor freely, observing for 1h.
7 Heating No explosion. No fire. a) Standard charge;
b)Put the cell(battery module) into the incubator, the temperature is up from room to 130±2℃ at the speed of 5℃/min, and stop heating after lasting for 30min,observing for 1h.
8 Immersing in
No explosion. No fire. a)Standard charge;
b)the cell(battery module) is submerged into 3.5(wt)% NaCl solution for 2h entirely.
9 Temperature cycle No explosion. No fire.
No leakage.
a)Standard charge;
b)Put the cell(battery module) into the incubator, the temperature adjust according to table 2, repeating 5 times, and observing for 1h.
10 Low air pressure No explosion. No fire.
No leakage.
a)Standard charge;
b)Put the cell(battery module) into the low air pressure box, and set air pressure at 11.6 kPa, laying for 6h at room temperature, and observing for 1h.

Notes: 1、The module contains five or more cells in series.

2、 Refer to GB/T 31485-2015 power battery safety require and test methods for electric vehicles .

Table 1 Squeezing force selecting standard

Cell number /n Squeezing force/ KN
1 200
2~5 100×n
>5 500


Table 2 temperature and time of one temperature cycle test

Temperature/℃ Time/min Adding time/min Temperature change
rate ℃/min
25 0 0 0
-40 60 60 13/12
-40 90 150 0
25 60 210 13/12
85 90 300 2/3
85 110 410 0
25 70 480 6/7


NO. Items Specifications
1 Charge voltage 3.65V
2 Nominal voltage 3.2V
3 Nominal capacity 63Ah @ 1C Discharge
4 Typical capacity 64.5Ah
5 Charge current Standard Charging:  0.33C
Rapid charge:      1.0C
6 Standard Charging method 0.33C CC(constant current)charge to 3.65V,then CV(constant voltage 3.65V)charge till charge current decline to ≤0.033C
7 Charging time Standard Charging: 4hours(Ref.)
Rapid charge:      2hours(Ref.)
8 Max charge current 1.0C
9 Max discharge current 3.0C
10 Discharge cut-off voltage 2.5V
11 Operating temperature Charging:  0℃~45℃
12 Storage temperature -20℃~ +55℃
13 Cell Weight 约1200g
14 Cell Dimension Length   :235 mm Max
Width    :270mm Max
Thickness :10.0mm Max

Electrical characteristics:

NO. Items Test Method and Condition Criteria
1 Standard Charge Charging the cell initially with constant current at 0.33C and then with constant voltage at 3.65V till charge current declines to 0.033C  
2 Rated Capacity The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.33C with 2.5V cut-off voltage after standard charge. ≥63Ah
3 Cycle Life Test condition:
Charge:0.33C to 3.65V
Discharge:0.5C to 2.5V
80% or more of 1st cycle capacity at 0.33C discharge of Operation
4 Self-discharge After the standard charging, storied the cells under the condition as No.4.4 for 30 days, then measured the capacity with 0.33C till 2.5V Residual capacity >90%
5 Initial impedance Internal resistance measured at AC 1KHz after 50% charge ≤1.0mW
6 Cell Voltage As of shipment. 3.2V~3.4V
7 Temperature
1. According to item 4.1.1, at 23±5℃.
2. Capacity comparison at each temperature, measured with constant discharge current 0.33C with 2.5V cut-off. Percentage as an index of the capacity compared with 100% at 23℃
-20℃: ≥70%
23℃: 100%
55℃: ≥96%
8 Storage
1. According to item 4.1.1, at 23±5℃.
2. The battery shall be stored at 55±5℃ for 7days and rested at room temperature for 1 hour then measured with constant discharge current 0.33C with 2.5V cut-off.
Retained Capacity

3D effect picture of the battery:



Drawing (all unit in mm, not in scale)



Model:LX100270235B63 unit:mm

Item Specifications
T 10.0Max
W 270Max
L 235Max
L1 40~43
M 140±2
N 80±1.0
T1 6.0±0.2
T2 4.0±0.2
T3 0.2±0.02
W1 4.0±0.5



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