Lithium Ion Battery - 3.7v 500mAh

Compact 500mAh Capacity: Offers a lightweight, efficient power supply designed for ultra-small electronics, wearable devices, and low-power DIY projects.

Integrated Protection Circuit Board (PCM): Features a built-in PCM safety board that guards against overcharging, overdischarging, overcurrent, and short-circuit conditions.

3.7V Nominal Voltage: Delivers stable 3.7V nominal power output (4.2V peak charge voltage) for reliable performance across sensitive microcontrollers and components.

Ultra-Slim Pouch Form Factor: Flat lithium-polymer pouch cell design provides maximum energy density in a minimal physical footprint, easily fitting tight enclosures.

Pre-Wired Harness & Connector: Pre-soldered with flexible, color-coded silicone lead wires and a standard 2-pin connector for fast plug-and-play installation without soldering.

Rechargeable Li-Po Chemistry: High-efficiency lithium-polymer cell technology supports hundreds of charge cycles without memory effect degradation.

Housing Style: Compact soft pouch lithium-polymer cell with protective yellow insulation wrapping.

Lead Wire & Connector: Flexible multi-strand silicone-insulated copper wire with a 2-pin female plug connector.

Technical Specifications:

Capacity: 500mAh.

Configuration: 1S / 3.7V Nominal / 4.2V Peak.

Cell Type: Rechargeable Lithium-Polymer (Li-Po).

Color: Silver pouch with yellow tape and red/black wires.

Usage Advice: Charge exclusively with a dedicated 1S Li-Po charger set to 4.2V max cut-off. Do not crush, bend, or puncture the soft pouch cell casing.

Maintenance: Store at nominal storage voltage (3.7V–3.85V, approx. 50% charge) in a cool, dry place when not in use for extended periods.

Essential Ultra-Compact Power Source: Position as the ideal lightweight battery choice for mini drones, Bluetooth headsets, smart wearables, IoT sensor nodes, and micro-robotics.

Highlight Built-In Safety & Ease of Use: Emphasize the factory pre-attached wiring harness and protective PCM board, making it safe and ready to plug directly into development boards like ESP32 or Arduino.

Recommended Cross-Sell Add-ons: Pair with Lithium Ion Battery - 3.7V 600mAh, Lithium Ion Battery - 3.7v 2000mAh, Lithium Ion Battery Pack - 3.7V 4400mAh, and ESD antistatic mat 50x40CM PCB Welding Mat.

Featured Collection Essential: Display prominently on your 1 Cell Li-Ion Battery Pack (3.6V~4.2V) collection page under lightweight micro Li-Po batteries.