551525 lipo battery,3.7V 170mah lithium polymer battery,ultra small li‑po battery,mini rechargeable battery for wearable,bluetooth device,small toy

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

551525 3.7V 170mAh Ultra‑Slim Small Lithium Polymer Rechargeable Battery

Model 551525 is an ultra‑compact slim lithium polymer battery, nominal voltage 3.7V, rated capacity 170mAh. Pre‑soldered red and black wires for easy installation and wiring.

Built‑in PCM protection board protects against over‑charge, over‑discharge, over‑current and short‑circuit. Stable output performance, cycle life ≥500 times, suitable for low‑power miniature electronic equipment.

Application Scenarios

✅ Smart wearable mini devices

✅ Mini Bluetooth accessories, small wireless modules

✅ Tiny RC toys, miniature model parts

✅ Micro portable instruments & IoT small modules

✅ Small‑size portable consumer electronics

✅ Micro electronic DIY projects

Custom Service: Custom wire length, PH/JST/XH connector, NTC thermistor are available. Please send inquiry for bulk wholesale quotation.

Product Specifications

Item	Parameter
Model	551525
Battery Type	Lithium Polymer (Li‑Po)
Nominal Voltage	3.7V
Nominal Capacity	170mAh
Energy	0.629Wh
Charge Cut‑off Voltage	4.2V
Discharge Cut‑off Voltage	2.75V
Cycle Life	≥500 cycles
Accessory	Red & Black Wires (without connector)
Protection Circuit	Built‑in PCM protection

Safety Notice

Only use dedicated 4.2V lithium‑ion charger. Do not use mismatched power adapters.
Do not puncture, squeeze, disassemble or incinerate the battery cell.
Please confirm positive and negative polarity before connection; reverse polarity will damage battery.
Contact our sales for bulk purchase and personalized customization.