# 3 Cell 18650 BMS Module

**Type:** Product page · **SKU:** CE09207 · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/3-cell-18650-bms-module.html ([markdown](https://core-electronics.com.au/3-cell-18650-bms-module.html.md))

Make your own 18650 Battery banks with this 3-Cell BMS module

> ⚠ Soldering to a LiPo is an advanced skill - consider using [a holder](https://core-electronics.com.au/power-batteries/battery-holders.html) instead of soldering/spot welding to batteries

## Pricing

- **Price:** $2.10 (inc GST) — $1.91 AUD, exc GST
- **Quantity discounts:** 5+ $1.87 (exc GST) · 15+ $1.82 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 70 today; more stock is typically available with a 8–12 day lead time.

## Description

Connect 3 18650 cells together to create your own battery packs! Simply connect it to a charger momentarily to wake up the BMS.

Check out [this forum discussion](https://forum.core-electronics.com.au/t/14632) for an interesting dive into these BMS modules!

### Connection Diagram

![18650 battery connection](https://core-electronics.com.au/media/wysiwyg/product_images/18650-bms-connection-diagram.jpg)

### Features

- Allows for 3 18650 cells to be combined in series
- Nominal voltage: 11.1 V
- In-built over-charge, over-discharge, short circuit, and over-current protection
- Charge and discharge the battery pack through the P+ and P- pads
- Charge using a regulated 12.6V supply (A constant current, constant voltage supply is highly recommended)
- Small footprint at - ~ 50 x 16 x 1 mm
 
### Specifications

- Maximum continuous discharge current: 5 - 8 A
- Peak discharge: 10 A
- Over-charge Voltage Range: 4.25~4.35 V ± 0.05 V (Per 18650 cell, charger dependent)
- Over-discharge Voltage Range: 2.3-3.0v±0.05v (We advise to also include a shutoff circuit to limit discharge)
- Internal resistance: ＜ 100mΩ
- Working Temperature: -40 ~ +50 °C

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/C/E/CE09207-1.jpg)