
data for pack | test standard |
1.6ah | normal capacity |
1.5ah | Minum capacity |
3.7v | nomral voltage |
4.2±0.03V | 100% full charge voltage |
0.5c | charge current |
0.5c | dishcharge current |
5 pin molex 51146. | connector for pack |
peak current | 2A for single cell |
continue current | 1.5A for single cell |
charge method with IEC standard | at first charger the battery with Constant Current 0.5C5A and charger with Constant Voltage 4.2V 0.01 C5A cut-off | Charge time : 4.0h | |
discharge method with IEC standard | discharge the battery with Constant current 0.2 C5A and test the end voltage 3.0V | with IEC standard | |
Fast charge method with IEC standard | Constant Current 1C5A Constant Voltage 4.2V 0.01 C5A cut-off | Charge time 2.5h |
Item | Test Method | Requirements |
Open-Voltage | standard charge the battery measured within 24 hours and record the data | ≥4.08V |
Internal impedance | measured by AC 1KHz after 50% charge. then record Internal resistance | ≤80mΩ |
Minimal Rated Capacity | The capacity on 0.2C5A discharge till the voltage tapered to 3.0V Measured after rested for 30min then finish standard charge then record the data | Discharge Capacity ≥4000mAh |
1 / Short Circuit Test (20±2℃ ) process and result
2 / Vibration Test process and result
3 / Crush Test process and result
4 / Drop Test process and result
The samples should be dropped from a height of 1 meter twice onto concrete ground.
Test result: No explosion,No fire
5 / Short Circuit(60±2℃ ) test process and result
sort fresh battery samples 100% fully charged each test sample battery, in turn,
6 / Impact test process and result
7 / Forced Discharge test process and result
8 / Nail Pricking test process and result
T: | Max.08.0 | Weigh | 200.5+0.5 –0.5 | H | 110+0.5 –0.5 | UNIT | mm |
Guang Zhou Sunland New Energy Technology Co., Ltd.
Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of
battery application. Aiming at serving industrial users, it is
dedicated to providing industrial users with optimized battery
supporting solutions and safe, environmental friendly and
cost-effective battery products.
It has a R & D, engineering and management team with more than
10 years of industry experience
From upstream to downstream, the battery industry has the advantage
of vertical integration
Specializing in batteries, battery packs, battery management
systems and energy solutions
The products are widely used in medical devices, coal mine
security, electronic appliances, power supply and standby energy
storage system. For example, the power supply system of electric
bicycle; Solar energy storage power supply system, UPS backup power
supply system. At the same time, it is also an ideal choice for
vehicle starting power supply, military painting and other fields.
We provide professional design and customization services according
to the special needs of customers.