3.7V 4000mAh 606090 Li-Po Rechargeable Battery (Bare Wires)

Give your electronics a new lease on life with this high-capacity 3.7V 4000mAh rechargeable Lithium Polymer (Li-Po) battery.
Based on the popular 606090 cell model, this slim and powerful battery is perfect for DIY electronics projects or as a high-quality replacement for worn-out batteries in portable devices.

With a 6mm slim profile and 4000mAh capacity, it delivers the ideal balance of compact size and long runtime.

Key Features:

• High Capacity: 4000mAh provides extended runtime for your devices.
• Standard Voltage: 3.7V nominal voltage — suitable for most single-cell applications.
• Built-in Protection: Integrated protection circuit module (PCM) to prevent overcharge, over-discharge, and short-circuit.
• Dimensions: Approximately 93mm x 60mm x 6mm (L x W x T).
  (Note: The 93mm length includes the protection circuit board; the cell itself is 90mm long.)
• Model: 606090 (6.0mm thick x 60mm wide x 90mm long).
• Wire Leads: Pre-soldered red (positive) and black (negative) wires for easy connection.

Common Applications:

• DIY electronics projects (Arduino, Raspberry Pi, etc.)
• Replacement battery for tablets, GPS units, and e-readers
• Power source for Bluetooth speakers, portable media players, and small devices

Important:
Before purchasing, please confirm your device’s voltage requirement, polarity, available space (≥93x60x6mm), and wire connection type to ensure compatibility.