Language
Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-12-26 00:39
176
superpolypower(Mr.)
Beijing
No 12, West Dongjiang Avenue, Shuikou, Huizhou, Guangdong, China, 516001., Huizhou, Guangdong, China (516001)
Item | Specifications | Remark |
Typical capacity | 1150mAh | discharge: 1.0CmA |
Minimum capacity | 1100mAh | |
Rate | 1100mAh | discharge: 1200mA |
Energy | 4.07Wh | |
Nominal voltage | 3.7V | discharge: 0.2CmA(220mA) |
AC impedance resistance | ≤50mΩ | |
Discharge cut-off voltage | 3.0V | |
Charge voltage | 4.20V | |
Max charge voltage | 4.23V | |
Charge time | approx 3.0h | charge: 550mA |
Standard charge current | 220mA | 0.2CmA |
Max charge current | 1100mA | 1.0CmA |
Max discharge current | 1200mA | |
Operating temperature | 10 to +45°C | charge |
Operating temperature | -10 to +50°C | discharge |
Storage temperature | -10 to 35°C | recommended storagetemperature: 20°C |
Mechanical performance | ||
Item | measuring procedure | requirements |
Cycle life | carry out 500 cycle 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 minute ※ temperature: 25 ±2°C |
higher than 80% of the initial capacity |
Impact test | cell is to be placed on the impact flat A 56mm diameter bar is inlayed into the bottom, A 10kg weight is to be dropped from height of 1m onto the cell, the distortion is allowed | no explosion, no fire |
Forced discharge | discharge at current of 1C for 2.5 hours | no explosion, no fire |
Nail pricking | prick through the sample battery with nail having diameter of 3mm and remain 2 hours | no explosion, no fire |
Vibration test | after standard charge, battery is to be tested as following conditions: amplitude: 0.19mm frequency: 10-55Hz (sweep: 1Hz/minute) direction: X/Y/Z axis for 30 minute, 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 18-20mm 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℃, 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, battery should be no obvious deformation, leaking, rust, smoking and explosion after testing take out the battery then rest for 2 hours 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 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 rate of 5±2°C/minute to 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 charging current by connecting it to DC-power supply beginning current is 3.0C, which is to be obtained by connecting 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 24-hour with the (30xn) Ω load at 23 ±2°C | no explosion, no fire |
High temperature characteristics |
within 2-hour leave the battery in constant temperature and constant humidity box which temperature is 55 ±2℃ after fully charge, discharge at 1C to 3.0V discharge time is required ≥51 minute |
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 16-24 hours, discharge at 0.2C to 3.0V discharge time is required ≥3 hours |
no deformation and smoking |