7.4V 12.5Ah 18650 Lithium-Ion Battery Pack with Built-in BMS for High Capacity Portable Equipment

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

7.4V 18650 lithium-ion battery pack

12.5Ah rechargeable Li-ion battery

2S high capacity battery for robotics

Product Description

Short Description

This 7.4V 12.5Ah 18650 lithium‑ion battery pack delivers stable high‑capacity power supply for various portable devices. Built‑in BMS safeguards against over‑charge, over‑discharge, short‑circuit. Rechargeable, long cycle service life, easy wiring with pre‑soldered wires & connector. Ideal replacement & custom power solution for commercial, industrial and DIY projects.

Overview

Our 7.4V 12.5Ah 18650 rechargeable lithium‑ion battery pack adopts premium 18650 cells assembled in 2‑series configuration, providing steady 7.4V output and large 12500mAh capacity for long working hours. Integrated battery management system (BMS) offers multi‑layer safety protection for charging & discharging. Pre‑attached wires with connector for convenient installation.

Key Features

✅ Nominal Voltage: 7.4V

✅ Nominal Capacity: 12.5Ah (12500mAh)

✅ Cell Type: 18650 Lithium‑ion Cells

✅ Built‑in BMS: Over‑charge, over‑discharge, over‑current, short‑circuit protection

✅ Pre‑wired with connector, simple connection

✅ High energy density, low self‑discharge rate

✅ Long cycle lifespan, stable performance

✅ Blue heat‑shrink sleeve for insulation & protection

Specifications

Item	Parameter
Nominal Voltage	7.4V
Nominal Capacity	12.5Ah (12500mAh)
Cell Model	18650 Li‑ion
Configuration	2‑Series Parallel (2S)
Protection Board	Built‑in BMS
Outer Cover	Blue PVC Heat Shrink Tube
Output	Red/Black wires with connector

Wide Application Scenarios(海外高频适用场景)

🔹 Robotics & DIY robot projects

🔹 Portable LED lighting systems, outdoor light equipment

🔹 Surveillance camera, wireless monitoring device

🔹 Portable industrial instruments & testing equipment

🔹 Medical portable auxiliary equipment

🔹 Smart agricultural equipment

🔹 RC device, fishing bait boat

🔹 Custom DIY power supply solutions

7.4V 12.5Ah 18650 Lithium-Ion Battery Pack with Built-in BMS for High Capacity Portable Equipment

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