Introduction

The 3.7V 200mAh Lithium-ion Polymer Battery is a lightweight energy storage solution suitable for Bluetooth headsets, sensors, and portable devices; it is available for bulk ordering and supports structural customization.

Parameter

Items	Specifications
Batteries	3.7v 200mAh lipo battery
Charge voltage	4.2V
Nominal voltage	3.7V
Nominal capacity	250mAh 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)
Operating temperature	Charging: 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 meters twice onto concrete ground. No fire, no leakage

Features of Lithium Ion Polymer Battery 3.7 V 200mah

Stable Mass Production & Cost Control
The 3.7V 200mAh Lithium-Ion Polymer Battery utilizes a standardized winding production process. With a daily output of approximately 50,000 units per production line, it reliably supports large-volume orders while reducing long-term procurement costs.

High Consistency
Automated sorting ensures capacity variation remains within ±3%, guaranteeing stable performance across the same production batch.

Customizable Dimensions
Thickness, length, and width can be adjusted to fit the structural design of compact devices.

Flexible Connectivity Options
Supports JST and Molex connectors, as well as custom wire lengths and orientations, facilitating seamless integration into various devices.

Integrated Safety Protection
Can be configured with a PCM (Protection Circuit Module) to provide protection against overcharging, over-discharging, overcurrents, and short circuits.

Export Compliance
Complies with UN38.3 standards and includes an available MSDS (Material Safety Data Sheet), meeting all international shipping requirements.

Customization

Item	Customization Details
Dimensions	Thickness, length, and width can be adjusted according to the internal space of the device
Capacity Range	Supports capacity customization from 100mAh to 300mAh
Interface & Leads	Connector types and lead wire length can be customized
Protection Board	Integrated PCM protection board supporting overcharge, over-discharge, and short-circuit protection customization

FAQ

Q: How does the 3.7V 200mAh Lithium-Ion Polymer Battery provide power?

A: The 3.7V 200mAh Lithium-Ion Polymer Battery achieves reversible energy storage and release through the intercalation and de-intercalation of lithium ions between its positive and negative electrodes.

Q: What is the lead time?

A: The lead time for standard samples is approximately 7–15 days, while the lead time for mass production is approximately 15–25 days.

Q: What is the Minimum Order Quantity (MOQ)?

A: The standard MOQ is 1,000 units; however, this can be flexibly adjusted based on specific project requirements.

Q: How is it packaged?

A: It utilizes anti-static compartmentalized packaging to prevent short circuits and physical damage caused by compression during transit.

Q: Which devices are compatible with this battery?

A: It is suitable for use in smart wearables, Bluetooth devices, and low-power sensors.

Q: How is it installed?

A: The 3.7V 200mAh Lithium-Ion Polymer Battery is secured to the device's mainboard via soldering of the positive and negative terminals or through a connector interface.

Q: How should it be stored?

A: It should be stored in a dry environment while maintaining a charge level between 40% and 60%.

Q: Do you support small-batch orders?

A: Yes, we support orders for samples and small-batch trial production runs.