3.7V 3000mAh 18650 rechargeable lithium‑ion battery pack with JST plug. Reliable power for small gadgets, speakers, lighting, monitoring devices and DIY electronics. Long cycle life, plug‑and‑play

Basic Properties

Place of Origin: Shenzhen, China

Brand Name: MEISAEN

Certification: UN38.3 MSDS IEC62133 CE ROHS

Trading Properties

Minimum Order Quantity: 1000PCS

Payment Terms: T/T

Supply Ability: 100000pcs

NMC Battery Pack

Specifications

No custom attributes available for this product.

Product Description

Product Overview

The 3.7V 3000mAh 18650 lithium‑ion battery pack adopts high‑quality 18650 cells, integrated protection board, and pre‑assembled JST connector. No extra soldering required, easy to replace old batteries for compatible devices. It features low self‑discharge performance and long service life.

Main Application Scenarios

✅ Portable Bluetooth speakers

✅ Mini LED lighting & decorative lights

✅ Wireless monitoring sensors

✅ Hand‑held small instruments

✅ DIY electronic models & robot projects

✅ Other 3.7V powered portable consumer devices

Product Specification Table

Item	Parameter
Model	18650‑3.7V‑3000mAh
Nominal Voltage	3.7V
Nominal Capacity	3000mAh
Cell Type	18650 Lithium‑ion Cell
Connector	JST White Plug
Charge Cut‑off Voltage	4.2V
Discharge Cut‑off Voltage	2.75V
Rechargeable	Yes
Typical Cycle Life	≥500 Times
Protection	Over‑charge, over‑discharge, over‑current protection

Important Safety Notice

⚠️ Only use dedicated 4.2V lithium‑ion battery charger.

⚠️ Do not short‑circuit, puncture, crush or disassemble the battery pack.

⚠️ Avoid high‑temperature, humid environment and direct sunlight.

⚠️ Check connector polarity before plugging in to prevent device damage.

3.7V 3000mAh 18650 rechargeable lithium‑ion battery pack with JST plug. Reliable power for small gadgets, speakers, lighting, monitoring devices and DIY electronics. Long cycle life, plug‑and‑play

Rechargeable Lithium Battery

18650 Lithium Ion Battery