902540 3.7V 900mAh Lithium Polymer Battery 9.0x25x40mm Rechargeable LiPo Pouch Cell

Product Description

The FYW 902540 lithium polymer battery is a compact rechargeable power solution engineered for modern portable electronics. With a nominal voltage of 3.7V and a typical capacity of 900mAh, this pouch cell delivers stable and reliable energy in a slim 9.0 x 25 x 40 mm form factor. The model number 902540 follows the industry standard size code, ensuring straightforward dimensional identification for designers and engineers.

This 900mAh LiPo cell adopts advanced pouch polymer technology, offering a lightweight and flexible profile that maximizes space utilization inside slim devices. It supports a standard charge current rate of 0.5C and a fast charge rate up to 2C max (1.8A), reducing downtime while maintaining safe charging behavior. The maximum discharging current of 1.0C ensures consistent power delivery for a wide range of applications, from wearable technology to IoT modules.

Safety is built into every layer of this rechargeable polymer battery. The cell incorporates short circuit protection and a discharge cut-off voltage of 3.0V, preventing over-discharge damage and extending service life. With a cycle life of 300-500 cycles, the battery delivers dependable long-term performance. The product is MSDS certified, meeting international safety documentation standards for global shipping and handling.

Technical Parameters

Applications

The 902540 3.7V 900mAh lithium polymer battery is widely used in wearable devices, smart watches, fitness trackers, Bluetooth headsets, portable speakers, and IoT sensors. Its compact dimensions and reliable discharge characteristics make it an ideal choice for products where space and weight are critical design factors.

Customization

FYW offers full customization services for the 902540 LiPo cell, including capacity adjustment, connector and wire harness options, and custom protection circuit modules (PCM). With a minimum order quantity of 1000 pieces and a daily production capacity of 10,000 units, we support both standard and OEM/ODM requirements. Production begins after full payment, with delivery typically completed within 7 working days.

Support and Services

Our technical team provides comprehensive support including battery specification consultation, application guidance, and after-sales service. Each battery is packed in blister trays with anti-static protection and shipped via UPS, TNT, FedEx, or DHL. Please follow local regulations for battery disposal and recycling.