Product Introduction

The Lithium Ion Polymer Battery 3.7 V 800mAh is a rechargeable lithium polymer battery available for bulk orders and customization, suitable for various portable electronic devices.

Items	Specifications
Batteries	3.7v 800mah lipo battery
Charge voltage	4.2V
Nominal voltage	3.7V
Nominal capacity	800mAh 0.2C Discharge
Charge current	Standard Charging: 0.5C Rapid charge: 1.0C
Standard Charging method	0.5C CC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to ≤0.05C
Charging time	Standard Charging: 2.75hours(Ref.) Rapid charge: 2hours(Ref.)
Max.charge current	1.0C
Max.discharge current	1.0C
Discharge cut-off voltage	2.75V(0.2C)
Perating temperature	ChCharging: 0 °C ~45 °C Discharging: 0 °C ~45 °Carging: 0 °C ~45 °C
Discharging: Storage temperature0 °C ~45 °C	-10°C~ +45 °C
Dimension	Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm
Drop Test	The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage
Cycle time	≥300times

Product Features

High Energy Density
The Lithium Ion Polymer Battery 3.7 V 800mAh uses high-purity lithium polymer material, achieving an energy density of up to 250Wh/kg, ensuring stable power supply for devices over extended periods.

Multiple Safety Protections
Built-in overcharge, over-discharge, and short-circuit protection to ensure safe device operation.

Long Cycle Life
≥300 cycle lives, more than 20% longer than ordinary batteries.

Fast Charging
Supports 1C charging rate, reaching 80% charge in 30-40 minutes.

Why We Are the Leading Manufacturer of Lithium Ion Polymer Battery 3.7 V 800mah

Diverse Product Lines

Offering TWS batteries, 30-90 series, fast charging, 1-3C series, and customized batteries to meet the needs of various end devices.

Wide Application Areas

Products are widely used in Bluetooth headsets, smart wearables, smart homes, smart healthcare, GPS, drones, small lighting, and many other fields.

Comprehensive Certification System

Holding CCC certification, ISO9001 quality system certification, UL certification, KC certification, and RoHS standard certification.

Strict Quality Control

Comprehensive quality control throughout the entire process, including raw material selection, production process monitoring, 100% functional testing, multi-dimensional structural inspection, and pre-shipment aging testing, ensuring the safety and reliability of every battery.

Frequently Asked Questions

Q: Can you produce with a customer's brand?

A: Yes, OEM/ODM customization is supported.

Q: What is the delivery time for bulk orders?

A: 2–7 days for in-stock items, approximately 25–30 days for mass production.

Q: How is it shipped?

A: DHL/TNT/FedEx/UPS or your preferred freight forwarder. Photos of the packaging and tracking number will be provided.

Q: Which devices is the Lithium Ion Polymer Battery 3.7 V 800mAh suitable for?

A: Suitable for tablets, smartwatches, Bluetooth headsets, and portable electronic devices.

Q: Does it support long-term storage?

A: Yes. With a self-discharge rate below 3% per month, it can maintain its charge even after long-term storage.

Q: Is the size customizable?