Bms battery number

What is a battery management system (BMS)?

A Battery Management System (BMS) is the electronics that monitor cell and pack voltage, current, and temperature; estimate state of charge and health; balance cells; enforce safety limits; and command charge, discharge, and contactors.

How many batteries can be connected to a BMS?

The maximum number of batteries that can be connected to the BMS is 20. The SmallBMS, VE.Bus BMS V2 and the Lynx Smart BMS can connect to a 12, 24 or 48 V system. The other BMS models can only connect to a 12 V system. The SmallBMS and VE.Bus BMS V2 require that all loads and charge sources are directly connected to the battery.

Why do lithium batteries need a BMS?

The BMS prevents your lithium battery’s voltage from going too high (causing overheating and gas release) or too low (leading to permanent damage). Damage occurs if you overcharge (cell voltage gets too high) or over-discharge (cell voltage gets too low) a lithium-ion battery cell. Overcharging occurs when recharging exceeds a battery’s safe range.

What is a BMS & how does it work?

The current limits prevent the source (usually a battery charger) and the load (such as an inverter) from overdrawing or overcharging the battery. The BMS prevents your lithium battery’s voltage from going too high (causing overheating and gas release) or too low (leading to permanent damage).