Hi, this is a 3S 40Amp BMS that I've used for my 12V power bank

How to make a 18650 12v 3s 2p battery pack to 5v 1a output for recharging smartphones without using an L7805 IC - Quora

Project 1 Mechanical design of battery pack

How To Choose A BMS For Lithium Batteries - Cell Saviors

Some questions on 3s 18650 battery packs Electronics Forum (Circuits, Projects and Microcontrollers)

The battery builders club - #9298 by whaddys - How-Tos & Esk8 mechanics - esk8.news: DIY Electric Skateboard Forums

48v 1000w controller upgrade (to 60v) again!!!

What is the meaning of 3S 50 amps BMS? Can I install it on a 60A battery pack? - Quora

What is the meaning of 3S 50 amps BMS? Can I install it on a 60A battery pack? - Quora

BMS and Balancer – the Off-Grid-Garage

Buy Li-ion Lithium battery protection and charger BMS module

3S 40Amp BMS Board at Rs 249/piece in New Delhi

3S 40A Li-ion Battery Charger Protection Board PCB with BMS

Li Ion BMS modules..What alternatives for low power circuits ?