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Lithium battery for massage gun machine customizable volt 3.6 3.7 7.4 11.1 14.8 V

  • Voltage: 3.7V  (customizable)
  • Capacity: 400 mAh (customizable)
  • Volume energy density can reach 500Wh/L – 620Wh/L
  • Excellent safety performance
  • Small and light-weight
  • In series connection or in parallel connection is allowed
  • UL, IEC62133, UN38.3, CB, CQC, PSE approved
  • Battery Chemistry: Lithium Ion Polymer
  • Battery Terminations: PC Pins (Horizontal) / (Vertical), SMT (SMD) Mount, Solder Tabs, Wires, Cables with Connectors.
  • Battery Customizing: Custom design shape and size is available, lipo battery cell pack.
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Lithium battery for massage gun machine customizable volt 3.6 3.7 7.4 11.1 14.8 V


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!

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Lithium battery for massage gun machine customizable volt 3.6 3.7 7.4 11.1 14.8 V
Lithium battery for massage gun machine customizable volt 3.6 3.7 7.4 11.1 14.8 V
Lithium battery for massage gun machine customizable volt 3.6 3.7 7.4 11.1 14.8 V