High‑capacity 3.7V 4400mAh 18650 rechargeable lithium‑ion battery pack with bare red‑black wires. Great for LED lights, portable speakers, sensors, DIY electronics and replacement power supply
Price:
Negotiable
MOQ:
1000PCS
Delivery Time:
10-15 days
Brand:
MEISAEN
Product Description
Short Product Description
This 3.7V 4400mAh high‑capacity 18650 lithium‑ion battery pack is fitted with bare wire terminals for flexible wiring. Built‑in protection circuit, ideal for custom power solutions and replacement of 3.7‑volt equipment batteries.
Full Product Description
Product Overview
This 3.7V 4400mAh 18650 lithium‑ion battery pack is assembled from premium 18650 cells with integrated protection board. Equipped with exposed red and black bare wires, supporting custom wiring for your projects. Features large storage capacity, low self‑discharge and stable output performance, perfect for industrial, consumer and DIY electronic applications.
Main Application Scenarios
✅ Portable LED lamps & LED strip lights
✅ Bluetooth portable speakers
✅ Wireless sensors & monitoring equipment
✅ Hand‑held testing instruments
✅ DIY electronic projects, robot models
✅ Other 3.7V portable electronic gadgets
Product Specification Table
| Item | Parameter |
|---|---|
| Model | 18650‑3.7V‑4400mAh |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4400mAh |
| Cell Type | 18650 Lithium‑ion Cell |
| Terminal | Bare Red & Black Wire Leads |
| Charge Cut‑off Voltage | 4.2V |
| Discharge Cut‑off Voltage | 2.75V |
| Rechargeable | Yes |
| Typical Cycle Life | ≥500 charge‑discharge cycles |
| Protection Function | Over‑charge, over‑discharge, over‑current, short‑circuit protection |
Important Safety Notice
⚠️ Must use dedicated 4.2V lithium‑ion battery charger only.
⚠️ Strictly avoid short‑circuiting, piercing, squeezing or disassembling the battery pack.
⚠️ Keep away from high‑temperature, open‑fire and humid surroundings.
⚠️ Confirm positive‑negative polarity before wiring; professional soldering is recommended.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Meisha New Energy Technology Co., LTD
Location
Room 811, Kaihaoda Building, Block 1, No.1 Gongyeyuan Road, Shanghenglang Community, Dalang Subdistrict, Longhua District, Shenzhen City
Contact Person
gaojianchao