VICTRON Battery Balancer for 24V batterisystem - Seatronic
Battery Balancer - Victron Energy Battery balancer for two in series 24V (up to 18V per battery & 36V total) IP22 BBA000100100
Victron Energy Battery Balancer 18V Per Battery, 36V Total, Blue, Aluminum
An interesting drawing from Victron regarding Battery Balancing on a budget using 12V Batteries in Series/Parallel and cable sizing. | DIY Solar Power Forum
Battery Balancer - Victron Energy Battery balancer for two in series 24V (up to 18V per battery & 36V total) IP22 BBA000100100