Language
Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-07-21 22:00
196
superpolypower(Mr.)
Beijing
No 12, West Dongjiang Avenue, Shuikou, Huizhou, Guangdong, China, 516001., Huizhou, Guangdong, China (516001)
Item | Specifications | Remark |
Typical capacity | 750mAh | Discharge:700mA |
Minimum capacity | 700mAh | |
Rate | 700mAh | Discharge:10A |
Energy | 2.59Wh | |
Nominal voltage | 3.7V | Discharge:0.2CmA |
AC impedance resistance | ≤50mΩ | ≤50mΩ |
Discharge cut-off voltage | 3.0V | |
Charge voltage | 4.20V | |
Maximum charge voltage | 4.23V | |
Charge time | Approx. 3.0h | Charge: 350mA |
Standard charge current | 140mA | 0.2CmA |
Maximum charge current | 700mA | 1.0CmA |
Operating temperature | 10 to +45°C | Charge |
Operating temperature | -10 to +50°C | Discharge |
Storage temperature | -10 to 35°C | Recommended storagetemperature: 20°C |
Dimensions | Diameter: 16.5mm Length: 42mm |
|
Mechanical Performance | ||
Item | Measuring procedure | Requirements |
Cycle Life | Carry out 500cycle. Charge/discharge follow the below condition Charge: 1.0C charge to 4.2V, cut off at 10mA Discharge: 1200mA discharge for 5s, then rest 10s Cycle above discharge steps to 3.3V Rest time between charge/discharge: 30 minimum Temperature: 25 ±2°C |
Higher than 80% of the initial capacity |
Impact Test | Cell is to be placed on the impact flat 56mm diameter bar is inlayed into the bottom, 10kg weight is to be dropped from a height of 1m onto the cell, the distortion is allowed |
no explosion, no fire |
Forced discharge | discharge at a current of 1C for 2.5H | no explosion, no fire |
Nail pricking | prick through the sample battery with a nail having a diameter of 3mm and remain 2h | no explosion, no fire |
Vibration test | after standard charge, the battery is to be tested as following conditions: Amplitude: 0.19mm Frequency: 10~55Hz (sweep: 1Hz/minimum) Direction: X/Y/Z axis for 30 minimum battery is to be tested in three mutually perpendicular to each axis |
no fire, no explosion, no smoking |
Drop test | drop the battery in the shipment condition (full- charge) from 1m height onto 18~20 mm or thicker concrete with p-tile on it 1 times each of obverse and inverse directions at 25 ±2°C | no fire, no explosion, no smoking |
Constant humidity and temperature characteristics | Under the temperature of 20 ±5°C, after charging the battery with 0.2C, then put the battery into the constant temperature and humidity oven with 55 ±2°C and 90-95% for 48h, the battery should be no obvious deformation, leakage, rust, smoking and explosion After testing take out the battery then rest for 2H under the temperature of 20 ±5°C, discharge with 1C to 3.0V |
discharge capacity ≥60% C5 |
Short-circuit test | After standard charge, the battery is to be short-circuited by connecting the positive and negative terminals of the battery with copper wire having a maximum resistance load of 0.1Ω | no explosion, no fire temperature of the exterior cell casing shall not exceed 160°C |
Heating test | battery is to be heated in a gravity convection or circulating air oven temperature of the oven is to be raised at a rate of 5 ±2°C/minimum to a temperature of 130 ±2°C at which temperature the oven is to remain for 30 minutes before the test is discontinued |
no explosion, no fire |
Abnormal charging test | after standard charge, the battery is subjected to a charging current by connecting it to a dc-power supply beginning current is 3.0C, which is to be obtained by connecting a resistor of specified size and rating in series with the battery voltage of the DC-power supply is 4.6V test time is 2.5 hours |
no explosion, no fire |
Over-discharge test | fully discharged cell is continually discharged for 24H with the (30x n) Ω load at 23± 2°C | no explosion, no fire |
High temperature characteristics |
within 2H leave the battery in constant temperature and constant humidity box which temperature is 55 ±2°C after fully charge, discharge at 1C to 3.0V discharge time is required ≥51 minimum |
no deformation and smoking |
Low temperature characteristics |
after fully charge, leave the battery in constant temperature and constant humidity box which temperature is -10±2°C for 16-24H, discharge at 0.2C to 3.0V discharge time is required ≥3H |
no deformation and smoking |