551848 lipo battery, 3.7V 200mAh lithium polymer battery, small li‑po battery, tiny rechargeable battery for earphone case, smart wearable, mini electronics Made in China

Basic Properties

Place of Origin: Shenzhen, China

Brand Name: MEISAEN

Certification: CE, RoHS, UN38.3, MSDS, IEC 62619

Trading Properties

Minimum Order Quantity: 100PCS

Payment Terms: T/T

Supply Ability: 300000 Pieces per Month

Rechargeable Li Polymer Battery

Lithium Polymer Battery Pack

Specifications

No custom attributes available for this product.

Product Description

551848 3.7V 200mAh Small Lithium Polymer Rechargeable Battery

Model 551848 is a slim, compact size lithium polymer battery with nominal 3.7V voltage and 200mAh capacity. It comes with pre‑soldered red and black wires for simple wiring and assembly.

Built‑in PCM protection module safeguards against over‑charge, over‑discharge, over‑current and short‑circuit, guarantee stable performance and long service life. More than 500 charge‑discharge cycles for daily light‑load application.

Typical Applications

✅ Wearable smart devices

✅ Mini Bluetooth earphone box, small Bluetooth accessories

✅ Mini smart toys, model aircraft tiny parts

✅ Portable mini‑size instruments

✅ Small‑size IoT modules

✅ Tiny electronic DIY projects

✅ Small‑size medical portable equipment

Customization Service: Custom wire length, JST/PH/XH connector, NTC thermistor are supported. Send inquiry for bulk wholesale price.

Specifications

Item	Parameter
Model	551848
Battery Type	Lithium Polymer (Li‑Po)
Nominal Voltage	3.7V
Nominal Capacity	200mAh
Energy	0.74Wh
Charge Cut‑off Voltage	4.2V
Discharge Cut‑off Voltage	2.75V
Cycle Life	≥500 cycles
Accessory	Red & Black Wires (no connector)
Protection Circuit	Built‑in PCM protection

Safety Notice

Only use standard 4.2V lithium‑ion dedicated charger. Never use unmatched power supply.
Do not puncture, squeeze, disassemble or burn the battery cell.
Strictly distinguish positive and negative poles, reverse connection will damage battery.
Contact sales team for bulk purchase and customized requirements.