RV Batteries & Charging
Four categories work together to run your 12-volt side: the house batteries that store power, the boxes and trays that hold them down, the disconnect switches that cut power for storage or service, and the chargers that put amps back in. Get all four matched and the rest of your electrical system has something solid to run on.
123 products
OptiMate Lithium 4s 10A Charger & Maintainer (12.8V)
$189.99
OptiMate Lithium LFP Select 12.8V/16V Charger & Maintainer
$189.99
OptiMate 7 6V/12V 10A Charger & Maintainer for Deep-Cycle Batteries
$185.95
OptiMate 7 12V/24V Charger & Maintainer for Deep-Cycle Batteries
$181.99
OptiMate 7 Select 12V 10A Charger, Tester & Maintainer
$181.99
Winegard Sensar III Amplified RV TV Antenna | Crank-Up Batwing, VHF/UHF, 4K Ready
$172.99
Battery Tender 2000 Amp Lithium Jump Starter & Power Bank
$164.95
Battery Tender Charge N Start 4 Amp Charger & 1200 Amp Jump Starter
$159.95
OptiMate 2 Duo 2-Bank 12V 2A Battery Charger & Maintainer
$155.95
OptiMate 7 Ampmatic 12V 10A Charger, Tester & Maintainer
$155.95
Battery Doctor Amorphous Solar Trickle Charger | 5W, 12V Battery Maintainer
$147.99
Starter Solenoid Relay | 12V, 4-Terminal, for Cummins Onan RV Generators
$130.99
Winegard SensarPro TV Signal Meter | White, Adjustable Gain, On-Screen Aiming
$127.99
Pace International Wireless Bluetooth Headphones | In-Ear, for DISH Wally Receiver
$125.99
Blue Sea Systems Automatic Charging Relay | 120A, 12/24V DC
$123.99
OptiMate 6 Select 12V/24V Charger & Maintainer
$122.99
Winegard Air 360 Omnidirectional RV HDTV Antenna | Black, Over-the-Air VHF/UHF
$121.99
Winegard Air 360 Omnidirectional RV HDTV Antenna | White, No Manual Aiming
$121.99
Cummins Onan Remote Start/Stop Panel Kit | For QG Generators, Model 300-5331
$118.99
Jensen MSX60RVR Marine Speakers | 6.5" Coaxial, Waterproof, Graphite Gray (Pair)
$118.99
Cummins Onan Starter Solenoid Relay | OEM Replacement for Emerald & Marquis Generators
$113.99
OptiMate 5 Select 6V/12V Charger & Maintainer for Deep-Cycle Batteries
$110.99
OptiMate DC 2A 12V DC-to-DC Battery Charger & Maintainer
$109.95
Battery Tender 12V Selectable Charger & Maintainer | 15/8/2 Amp, LCD
$104.95
DISH Wally HD Satellite Receiver | Single Tuner, Wall Mount, 12V DC
$100.99
Cummins Onan Generator Rocker Start/Stop Switch | Panel Mount, Fits KY & HGJ Series
$97.99
Combination Carbon Monoxide/Propane Alarm | Black, Flush Mount, 12V DC Hardwired
$96.99
Combination Carbon Monoxide/Propane Alarm | White, Flush Mount, 12V DC Hardwired
$96.99
Safe-T-Alert by MTI Industries Dual LP/CO Alarm | 12V Surface Mount, Black
$96.99
Safe-T-Alert by MTI Industries Dual LP/CO Alarm | 12V Surface Mount, White
$96.99
Marinco Contour Heavy-Duty Battery Master Switch, 600A
$95.99
Safe-T-Alert 25 Series Mini Dual LP/CO Alarm | 12V DC Surface Mount, Black
$88.99
OptiMate 5 Start/Stop 12V 4A Battery Charger, Tester & Maintainer
$84.95
Camco Vented Double Side-by-Side RV/Marine Battery Box | Group 24
$79.99
OptiMate 2 Duo 12V 2A Battery Charger & Maintainer
$77.95
OptiMate Lithium 4s 0.8A Charger, Tester & Maintainer (12.8V)
$76.95
Brandmotion Universal Snap-In Adjustable Bullet Backup Camera | Front/Rear Switchable
$72.99
Quick Cable 303304 140 Amp Battery Isolator
$72.99
Safe-T-Alert 85 Series Slimline Dual LP/CO Alarm | 12V DC Hardwired Surface Mount, Black
$69.99
Safe-T-Alert Propane/LP Gas Alarm | Flush Mount, Brown, 12V Hardwire
$65.99
Where to start with RV batteries and charging
Your 12-volt system is the part of the rig that keeps working after you unplug from shore power. It breaks into four jobs: batteries to store the charge, hardware to hold them in place, a switch to cut them off, and a charger to fill them back up. Each category below covers one of those jobs.
- RV Batteries — flooded, AGM, and lithium house batteries sized by group and amp-hour to match how much you camp off-grid.
- Battery Boxes & Trays — vented boxes, trays, and hold-down hardware that keep Group 24, 27, and 31 batteries strapped down and contained.
- Battery Disconnects — rotary, knob, and top-post switches that isolate the bank for storage, service, or an emergency shutoff.
- Chargers & Maintainers — multistage shore chargers, trickle maintainers, DC-DC chargers, and solar top-ups that put amps back in.
Start with the battery that fits your power budget, then build the box, disconnect, and charger around it. For bigger off-grid plans, this branch works alongside solar power and converters and inverters.