Custom Polymer Lithium Batteries – Designed Just for You!
Battery model |
3.7V LIP303142 400mAh |
Nominal voltage |
3.7V (customizable) |
Nominal capacity |
400mAh |
Minimum capacity |
400mAh |
Charging voltage |
4.2V |
Standard charging current |
80mA (0.2C) |
End current |
4mA (0.01C) |
Max. charging current |
200mA (0.5C) |
Standard discharging current |
80mA (0.2C) |
Max. discharging current |
400mA (1C) |
End voltage of discharge |
3.0V |
Dimension of cell |
3*31*42mm |
Charging temperature range |
0~45℃ |
Discharging temperature range |
-20~60℃ |
Connector |
Molex, JST, Hirose etc |
Protection Circuit Module (PCM) |
Overcharge protect, over-discharge protect, over current protect, short-circuit protect |
Cycle life |
≥80% capacity after 500 times standard cycles |
Warantty life |
12 months |
Looking for a battery that perfectly fits your product? Our custom lithium polymer batteries offer the perfect combination of high energy density, lightweight design, and full customization. Whether it‘s for a massage gun, smartwatch, or IoT device, we have the right solution for you!
Fully Customizable Options
- Voltage Choices: 3.7V, 7.4V, 11.1V, 14.8V – Compatible with 3.6V applications.
- Capacity Range: 2000mAh to 10,000mAh, ensuring optimal runtime.
- High Discharge Capability: Supports high-rate discharge
- Custom Shapes & Sizes: Pouch, rectangular, round, cylindrical, and more.
- Connector Types: FFC / FPC JST SM RC XH 4S PH 3PIN 2P 3P 4P 5P 6P X60 ACTOO JR FUTABA PHR 2PIN and custom solutions.
- Built-in PCM: BMS or PCM built inside, advanced protection circuit prevents overcharging, over-discharging, and short circuits.
Perfect for Massage Gun and smart devices
- Voltage Compatibility: 3.7V polymer batteries replace 3.6V batteries with no circuit changes.
- Extended Runtime: Custom capacities (2000mAh-12000mAh) ensure stable operation.
- Wide operating temperature: High temperature resistance(-20~60 degrees Celsius).
- Size Matching: All sizes, models and capacities can be selected by customers. The thickness is from 1 to 12mm.
Safety & Certifications
- Built-in overcharge, over-discharge, and short-circuit protection.
- Optional -20°C low-temperature resistant versions for extreme environments.
- International Certifications: UN38.3, MSDS, IEC62133, CB, KC, BIS, KSE, UL, Reach, RoHS.
Ideal for a Wide Range of Devices
Our batteries are designed for:
- Wearable Tech: Smartwatches, fitness trackers, Bluetooth earbuds.
- Medical & Sensors: Hearing aids, glucose monitors, wireless sensors.
- Smart Devices: Remote controllers, electronic pens, IoT trackers.
Looking for a custom battery solution? Let’s talk!