OEM Rechargeable Lipo Battery Cell 402535 3.7V 300mAh Lithium Ion Polymer Battery For Beauty Device
| Item | Specifications |
|---|---|
| Batteries | 3.7V 300mAh LiPo battery |
| Charge voltage | 4.2V |
| Nominal voltage | 3.7V |
| Nominal capacity | 300mAh @ 0.2C Discharge |
| Charge current | Standard Charging: 0.5C Rapid charge: 1.0C |
| Standard Charging method | 0.5C CC charge to 4.2V, then CV charge till current ≤0.05C |
| Charging time | Standard: 2.75 hours (Ref.) Rapid: 2 hours (Ref.) |
| Max. charge current | 1.0C |
| Max. discharge current | 1.0C |
| Discharge cut-off voltage | 2.75V (0.2C) |
| Operating temperature | Charging: 0°C ~45°C Discharging: 0°C ~45°C |
| Storage temperature | -10°C ~ +45°C |
| Dimension | Length: 35±2mm Width: 25±0.5mm Thickness: 4±0.2mm |
| Drop Test | 1m drop onto concrete twice. No fire, no leakage |
| Cycle time | ≥500 cycles |
Main Features:
Precise Size, Slim and Easy Integration:
Standard 402535 size, slim soft-pack design, small size and light weight, suitable for miniaturized/portable devices, saving installation space.
300mAh Capacity + Stable Discharge:
Stable 3.7V output, 300mAh true capacity, longer battery life, smooth discharge without voltage drop or lag.
High Safety Performance, Leak-proof and Bulb-free:
Utilizes an aluminum-plastic film soft-pack structure, eliminating leakage risk; built-in protection board (PCM) supports overcharge, over-discharge, overcurrent, and short circuit protection, ensuring greater safety and reliability.
Long Cycle Life, Low Self-Discharge:
Cycle life ≥ 500 cycles (capacity retention ≥ 80%), low monthly self-discharge, no power loss during long-term storage, longer lifespan.
No Memory Effect, Charge Anytime:
Supports charging at any time, no need to fully discharge before charging, more convenient, suitable for frequent daily charging scenarios.
Wide Temperature Adaptability:
Stable operating temperature range, resistant to both cold and heat, providing stable power to both indoor and outdoor devices, making it more versatile.
Environmentally Friendly and Compliant, Stable Quality
Applications:
Smart Wearables: Smart bracelets, smartwatches, fitness trackers, health monitors
Bluetooth Headphones/Audio: TWS earphone charging cases, mini Bluetooth speakers, headsets
Beauty & Personal Care: Mini beauty devices, facial cleansing devices, massagers, hydrating devices
Smart Digital Devices: Mini voice recorders, reading pens, remote controls, LED night lights
Smart Home: Small sensors, smart locks, access control systems, locators
Medical & Industrial Control: Portable medical devices, small testing instruments, micro-industrial control equipment
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