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502535-400mAh

Battery type: polymer battery
Battery size: (T)5mm*(W)25mm*(L)38mm
Rated voltage: 3.7V
Rated capacity: 400mAh
Work rate: 1.48Wh
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  • 502535-400mAh

Smart watch lithium-ion battery parameter data
model502535
Battery TypePolymer battery
Battery size(T)5.2mm*(W)25.5mm*(L)35mm
Rated voltage3.7V
Rated Capacity400mAh
power1.48Wh
Cycle lifeAfter 500 times of continuous charging and discharging, the battery capacity is not less than 80%.
Discharge cut-off voltage2.80V±0.025V
Charging cut-off voltage4.20V±0.025V
Standard discharge current0.2C
Standard charging current0.2C
Maximum continuous discharge current1C
Maximum charging current1C
Operating temperatureCharge 0~45℃, discharge -20~60℃
Storage temperatureTemperature -20~60℃, humidity 60±25%
CertificationPassed ISO9001 quality system certification, UL, UN, CE, RoHS, REACH and other certifications.
application areaBluetooth Watch


Product Features:
1. Customized size: model and capacity are available
2. Quality assurance: UL1642 testing standards are adopted, and the products have passed 100% material testing and equipment testing.
3. Stable performance: Long cycle life: After 500 times of continuous charging and discharging, the battery capacity is not less than 80% of the rated capacity.
4. High safety: The built-in circuit protection board has the characteristics of no fire or explosion under short circuit, overcharge, over discharge, impact, vibration, acupuncture, high temperature and other conditions. Our 18650 batteries all have explosion-proof valves, and the polymer battery cells all use colloidal electricity, which will only bulge at most and will not explode. In addition, our company has a strict quality inspection process to ensure product safety and quality.


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