LiPO Customized Battery 403533 3.7V 400mAH

2020-08-11 03:49

AIN403533R 3.7V 400mAh rechargeable round lipo battery smart watch battery

Nominal voltage3.7V
Nominal capacity400mAh
SizeThickness × Width × Length (mm)
Main characteristicsHigh energy density,good capacity,better safety and reliable(with PCM),long circle life,no memory,never explosion,stable performance,environmental,capacity and size could be customized
Weightabout 1.5g
Max charge current1C
Charging methodcharge with constant current 1C to 4.2V,then charge with constant voltage 4.2V till charge current less than 0.01C
Max discharge current1C
Discharge cut-off voltage3.0 V, the over-discharge detection voltage of PCM
Operating environmentCharging, 0°C ~ 45°C ; 65±20%RH
Discharging, -20°C~60°C ; 65±20%RH
Storage environment-20°C~45°C
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V
(80% Prime Capacity) :
Charging AttentionCharging current and charging voltage should be less than specified in the Product Specification.
The charger shall be designed to comply with Specification.
It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical,mechanical safety performance.



(1) Battery sample orders for testing are welcome.

(2) MOQ is lower, please feel free contact our staff if you need.

(3) It is our honor to provide service for you, no matter how many you order.

2. OEM & ODM

OEM and ODM orders are welcome, just send us your design and we can make

your ideas into reality.

3. Quality

(1)100% tested in production. Test one by one before shipping. All the products will go through 4 checks.

(2) Mass production will only start after we get your confirmation of samples.

4. Manufacture

(1) We have our own factory.

(2) Provide you “customized products” along with the best price.


1.Wireless Headphones,Wireless  Mouse, Keyboard, Gamepad,Outdoor LED Light.
2. Air purifier, Hand warmer, Smart water cup, Electric toothbrush, Fingerprint lock. Hearing aid.
3. Beauty/Washing Instrument ,Reading Pen, Recording Pen, Sex toys, Miner Lamp ,Airplane Model.Tire Pressure Meter .Driving Recorder .

Note: We are a battery manufacturer. All products do not support retail, we only do B2B business.please contact us for product prices!