BMS 3S 40A for 18650 Li-ion batteries, DIY protection board with balancing, 18650, Arduino

BMS 3S 40A is reliable protection for 18650 lithium-ion batteries! Cell balancing extends service life, while protection against overcharging, over-discharging, short circuits and overcurrent ensures safe operation. Suitable for power tools and other devices. Choose sets of 1, 2, 5 or 10 pieces!

Product code	01744
Category	Arduino, BMS Boards
In stock	5+ in stock

94 TL

Free shipping on orders over 1,000 TL
After ordering, the item is reserved for you for 24 hours

§ 01 — Specifications

Type	BMS protection board
Configuration	3S (3 cells in series)
Maximum current	40 A
Operating voltage	11.1 V - 12.6 V
Minimum voltage per cell	2.5 V
Maximum voltage per cell	4.2 V

§ 02 — Description

The BMS 3S 40A is a high-quality protection board for 18650 lithium-ion batteries. It keeps your devices safe by protecting the batteries from overcharging, over-discharging, short circuits and overcurrent. The board has a 3S configuration, meaning three cells connected in series. The operating voltage range is 11.1 V to 12.6 V, and the maximum current reaches 40 A. Its compact design makes it easy to install in a variety of devices. Thanks to the balancing function, the batteries charge evenly, which extends their service life and ensures stable operation. Ideal for power tools, electric bicycles, solar panels and portable power systems.