Dual Battery & 12V Power
REDARC and ARB DC-DC chargers, battery isolators, inverters and 12V power parts for dual battery builds.
Brands in this collection: REDARC and ARB. Check the fitment notes on each listing for year, cab and bed details.
Black Diamond Unlimited is at 3623 US Highway 62 in Ropesville, TX, about 20 miles southwest of Lubbock, and we serve truck owners across Lubbock and the South Plains. Call (806) 503-2161 (Mon-Fri 8am-5pm CT) with your year, make, model and engine and we'll confirm fitment before you order.
REDARC
REDARC Trailer Power Kit w/Vehicle to Trailer Battery Charger/Smart Battery Monitor/Fuses - TRAILERPOWERKIT1-NA
Universal fit
$530.00Regular price$583.00Only 1 left - order soonREDARC
REDARC Dual Sensing Smart Start Battery Isolator - 12V 100A - SBI12D
Universal fit
$195.00Regular price$214.50Only 2 left - order soonREDARC
REDARC DC/DC Vehicle to Trailer Battery Charger w/MPPT 40A Solar Control - 12A - BCDC1212S
Universal fit
$260.00Regular price$286.00Only 1 left - order soonREDARC
REDARC Smart Start SBI Battery Isolator - 12V 100A - SBI12
Universal fit
$165.00Regular price$181.50Only 2 left - order soonREDARC
REDARC Manager Alpha50 w/RedVision - BMS12050-NA
Universal fit
$3,333.85Regular price$3,668.00Only 1 left - order soonREDARC
REDARC BCDC Alpha50 R 12V 50A Battery Management System - BCDC12050R
Universal fit
$1,099.00Regular price$1,209.00Only 3 left - order soonREDARC
REDARC BCDC Alpha Rear Install Wiring Kit - 50A - BCDCWK-108
Universal fit
$315.00Regular price$346.50Only 1 left - order soonREDARC
REDARC BCDC Classic 50A In-Vehicle DC Battery Charger w/MPPT Solar Control & Smart Battery Monitor - BCDC12050B
Universal fit
$735.00Regular price$808.50Only 3 left - order soonREDARC
REDARC BCDC Classic 25A In-Vehicle DC Battery Charger w/MPPT Solar Control & Smart Battery Monitor - BCDC12025B
Universal fit
$689.00Regular price$758.00Only 2 left - order soonREDARC
REDARC Smart Battery Monitor - BSEN500
Universal fit
$215.00Regular price$236.50Only 2 left - order soonREDARC
REDARC BCDC Side by Side Engine Bay Wiring Kit - 25A - BCDCWK-001
Universal fit
$229.00Regular price$252.00Only 1 left - order soonREDARC
REDARC DC/DC 4-Stage In-Vehicle Battery Charger - 12V 50A - BCDC1250D
Universal fit
$690.00Regular price$759.00Only 3 left - order soonREDARC
REDARC DC/DC Dual Input In-Vehicle Battery Charger - 12V 40A - BCDC1240D
Universal fit
$620.00Regular price$682.00Only 1 left - order soonREDARC
REDARC DC/DC Dual Input In-Vehicle Battery Charger - 12V 25A - BCDC1225D
Universal fit
$535.00Regular price$588.50Only 2 left - order soonREDARC
REDARC Total Vehicle Management System - Rogue - TVMS1240
Universal fit
$780.00Regular price$858.00Only 1 left - order soonREDARC
REDARC DC/DC 3-Stage Vehicle to Trailer Battery Charger - 12A - BCDC1212T
Universal fit
$345.00Regular price$379.50Only 2 left - order soonREDARC
REDARC REDWorks Pioneer50 Power Panel w/50A BCDC Alpha R Battery Charger & TVMS Rogue - ICMS-017-001
Universal fit
$2,899.00Regular price$3,190.00Only 2 left - order soonREDARC
REDARC REDWorks Nomad50 Power Panel w/50A BCDC Alpha R Battery Charger - ICMS-016-002
Universal fit
$2,199.00Regular price$2,418.90Only 1 left - order soonREDARC
REDARC REDWorks Scout25 Power Panel w/25A BCDC Core Battery Charger - ICMS-015-001
Universal fit
$1,349.00Regular price$1,483.90In stockREDARC
REDARC RS3 Inverter Remote - REMOTE-RS3-NA
Universal fit
$60.00Regular price$66.00Only 2 left - order soonREDARC
REDARC Smart Start SBI Battery Isolator - 12V 200A - SBI212
Universal fit
$330.00Regular price$363.00Only 1 left - order soonREDARC
REDARC Smart Start Battery Isolator & Wiring Kit - 12V 100A - SBI12KIT
Universal fit
$320.00Regular price$352.00Only 1 left - order soon
