SDS

THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
2019-11-18
All Rights Reserved
Page 9 of 41 Pages
discharge
capacity
高温放电容
量
temperature box at 55℃±2 ℃ to be stored at this
temperature for 2h, and then discharged at a current of
0.2C5 to the cut-off voltage of 3.0V. The battery is
removed out and stored for 2h under 23℃±2℃. Finally,
battery appearance is visually checked.
电池按照标准充电模式充满电后，将电池放入55℃
±2 ℃的高温箱中恒温2h，然后以0.2C5电流放电至
终止电压
3.0V
，将电池取出在环境温度为
23
℃
±2
℃
的条件下搁置2h，然后目测电池外观。
swelling rate ≤ 5%, and no
obvious appearance difference
before and after test.
放电时间不低于5h，电池厚度
变化率≦5%，电池外观相比实
验前无明显差异。
Low
temperature
discharge
capacity
低 温 放 电 容
量
After the battery is fully charged in accordance with the
standard charging mode, the battery is placed in a
low-temperature box at -10℃±2 ℃ to be stored at this
temperature for 4h, and then discharged at 0.2C5 until
voltage reaches 3.0V.
电池按照标准充电模式充满电后，将电池放入-10℃±2 ℃的
低温箱中恒温 4h，然后以 0.2C5 电流放电至终止电 3.0V。
The discharge time is required to be
no less than 3.5h. No obvious
appearance difference before and
after test.
放电时间≥3.5h，电池外观相比实
验前无明显差异
After the battery is fully charged in accordance with
the standard charging mode, the battery is placed in a
low-temperature box at -20℃±2 ℃ to be stored at this
temperature for 4h, and then discharged at 0.5C5 until
voltage reaches 3.3V.
电池按照标准充电模式充满电后，将电池放入-20℃±2 ℃的
低温箱中恒温 4h，然后以 0.5C 电流放电至 3.3V。
Discharge capacity >0mAh. No
obvious appearance difference
before and after test.
放电容量>0mAh，电池外观相比实
验前无明显差异
Battery’s
internal
resistance
电池内阻
Under 23℃±2℃, internal resistance of battery with
SOC 50% is tested.
在 23℃±2℃的条件下，测试半电态电池内阻
If battery capacity < 1800 mAh,
internal resistance < 130 m Ω. If
battery capacity ≥ 1800 mAh,
internal resistance < 110 m Ω
If there is special design, the specific
project requirements shall prevail.
容量小于 1800mAh，电池内阻＜130m
Ω（半荷电状态）。容量≥1800mAh，
殊设计的项目以具体项目要求为准。
NTC
resistance
NTC 电阻
The required accuracy of NTC resistance is 10 k± 1%.
Battery is put in the constant temperature box in -
10 ℃, -5 ℃ and 0 ℃, 25 ℃, 45 ℃ and 55 ℃, 60 ℃
to be storage for 45 min with temperature and NTC
resistance (unit kΩ) be recorded. The distance between
NTC resistance and MOSS or other heating devices on
the protection board should be more than 5 mm. NTC
model is selected according to the instruction.
The resistance value should
meet technical requirements.
阻值符合技术要求规定