
3.7V 650mAh 3.7V LiPo Battery
LiPo Pouch Battery for Digital Devices Watches
$3.00
Key features:
Standard Voltage & Capacity: 3.7V nominal voltage, 650mAh capacity, perfectly matches digital watch power needs.
LiPo Core Technology: Lightweight, ultra-slim flexible design, fits compact watch casings without extra bulk.
Multi-Protection Safety: Built-in safeguards against overcharge, over-discharge and short-circuit for daily use.
Wide Temperature Adaptability: Works stably in -20°C to 60°C, suitable for indoor and outdoor wear scenarios.
Eco-Friendly Compliance: RoHS-certified, lead-free and mercury-free, meets global environmental standards.
OEM Customizable: Flexible pin configurations and dimensions for brand-specific digital watch integration.
Advantages:
Extended Watch Runtime: 650mAh high capacity delivers longer standby and usage time, reducing frequent charging hassle for your digital watch.
Seamless Fit for Wearables: LiPo’s slim profile ensures easy installation, preserving your watch’s portable and sleek appearance.
Stable Power Supply: Consistent 3.7V output guarantees smooth operation of watch functions, including timekeeping, alarms and backlights.
Enhanced Durability & Safety: Low leakage risk and multi-protection design extend battery service life, keeping your watch safe to use.
Universal Compatibility: Standard 3.7V specification is compatible with most digital watch models on the market.
Market-Compliant for Global Sales: RoHS certification helps you meet overseas market regulations, no barriers for cross-border sales.

Specification Category | Details |
|---|---|
Battery Type | Lithium Polymer (LiPo) |
Nominal Voltage | 3.7V |
Capacity | 650mAh |
Discharge Cut-Off Voltage | 3.0V |
Charging Cut-Off Voltage | 4.2V (Standard for LiPo batteries) |
Operating Temperature Range | Discharge: -20°C ~ 60°C; Charge: 0°C ~ 45°C |
Storage Temperature Range | -10°C ~ 45°C (Recommended to store at 30% ~ 60% capacity) |
Form Factor | Ultra-slim, lightweight, flexible (Customizable per watch casing dimensions) |
Pin Configuration | Customizable (OEM/ODM compatible) |
Safety Protection | Built-in overcharge protection, over-discharge protection, short-circuit protection |
Compliance Certification | RoHS-certified (Lead-free, mercury-free) |
Application | Digital watches, small digital devices |
3.7V 650mAh Lithium Polymer (LiPo) Battery is engineered specifically to power a wide range of compact digital devices and precision timepieces, delivering reliable performance and long-lasting energy in a lightweight, space-saving form factor.
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