🔌 DC-DC Chargers
Alternator-to-battery DC-DC chargers for charging your house bank while you drive — some with a built-in MPPT solar input. Filter below, or run the planner to size a DC-DC charger to your exact setup.
BougeRV
BougeRV 40A DC-DC Charger
mid
40A · in 9-16V · out 12V
$120
Renogy
Renogy 40A DC-DC On-Board Charger
mid
40A · in 8-16V · out 12V
$150
Victron Energy
Victron Orion-Tr Smart 12/12-30A
premium
30A · in 9-17V · out 12V
$190
Sterling Power
Sterling Power BB1230 Battery-to-Battery 30A
mid
30A · in 11-15.5V · out 12V
$200
KISAE Technology
KISAE DMT1250 50A DC-DC
budget
50A · in 9-16V · out 12V
$230
Renogy
Renogy DCC30S 30A DC-DC with MPPT
mid+MPPT solar
30A · in 9-16V · out 12V
$270
Victron Energy
Victron Orion XS 12/12-50A DC-DC
premium
50A · in 9-17V · out 12V
$280
Renogy
Renogy DCC50S 50A DC-DC with MPPT
mid+MPPT solar
50A · in 9-16V · out 12V
$330