A modular BMS to keep your lithium batteries in perfect condition, vastly increasing the lifespan of the battery pack most standard pack voltages are support the 4 board kit supports 12V standard Bank, a extra 4 Inbetween boards are required to support a 24 Volt Pack and 12 extra inbetween boards are required for a 48 /52 volt standard pack. Easily connect your phone with the BMS to see relevant information about the energy consumed, energy stored, in- and outgoing current, cell voltages and temperatures. (note the extra inbetween boards must be purchased when buying the basic kit.
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123\PowerSwitch
12V/24V/48V 120A
Switch all your power with this highly efficient, bidirectional solid state relay. The extremely power efficient design ensures very long operation times even on very small battery capacities. Switch high powers with extremely little!

123\SmartRelay
12V/24V 120A
Switch all your power or signals with this easy to use, dual relay. The extremely power efficient design ensures very long operation times even on very small battery capacities.
Two smart relays in one package.

123\SmartBMS Extended Module
Extension module for 123SmartBMS. Adds many functions like 4 configurable relays, dual CAN bus, multiple CAN chargers support and isolation detection. A real “Swiss knife” to make any project possible.