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
Safe-T-Alert Propane/LP Gas Alarm | Surface Mount, White, 12V Hardwire
$57.99
Battery Tender 800 Battery Charger | 12V, 800mA, Fully Waterproof
$52.95
OptiMate 1 VoltMatic 6V/12V Battery Charger & Maintainer
$52.95
Battery Doctor Mini Master Rotary Battery Disconnect Switch | 48V, On/Off Knob
$51.99
Xantrex Battery Temperature Sensor | For XC Series Chargers, Flange Mount
$50.99
Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch | Red, 300A
$47.99
E-Series Selector Battery Switch | 4-Position, 32V DC, 325A
$46.99
Blue Sea Systems e-Series Battery Switch | Single Circuit On/Off, 48V DC, 350A
$43.99
Blue Sea Systems 6007 m-Series Mini Selector Battery Switch | 4-Position, 300A, Red
$40.99
Blue Sea Systems e-Series On/Off Battery Switch, 350A
$39.99
Battery Doctor Water-Resistant Master Battery Disconnect Switch | 100A Continuous, 2 Keys
$32.99
Marinco Contour Chassis Battery Master Switch, 275A
$32.99
Marinco House Battery Master Switch, 275A
$32.99
Jensen 5.25 In Waterproof Speakers | Black, Pair, 30W
$31.99
Jensen MS5006WR 5.25" Waterproof Speakers | White, 30W, Sold in Pairs
$31.99
OptiMate O-108 Smart Inline 3300mA USB Charger Kit with Battery Monitor
$31.99
First Alert CO250RVA RV Carbon Monoxide Alarm | Battery-Powered, BRK 1039885
$30.99
Camco Heavy-Duty Double Battery Box | Group GC2, with Straps
$23.99
Samlex 900-RC Remote Control for SEC Battery Chargers
$23.99
Battery Doctor Top-Post Battery Knob Switch with Fused Bypass | 125A, 12V
$22.99
Camco Standard RV Battery Hold-Down Tray | Group 24/24M
$20.99
Camco Large RV/Marine Battery Box | Group 27/30/31
$17.99
Camco Standard RV/Marine Battery Box | Group 24
$16.99
Camco Replacement Battery Box Strap with Hardware | 39"
$14.99
Diamond Group 12V Replacement Charger Kit | Black, Waterproof Cap
$14.99
RV Designer Illuminated Rocker Switch | White/Red, 10A On/Off SPST
$8.99
JR Products Mini Labeled On/Off I-O Switch | Black, DPST 12V/125VAC
$7.99
RV Designer S321 Rocker Switch | 10A Momentary On/Off, SPST, Black, .550" x 1.125" Cutout
$7.99
RV Designer S345 Rocker Switch | 10A SPDT, Momentary On/Off/Momentary On, White
$7.99
RV Designer Rocker Switch | White, 10A SPST On/Off, DC Electrical
$6.99
Whitecap 3-Position Toggle Switch | ON/OFF/ON, 6-Pin, 12V 15A
$6.99
JR Products Mini SPST On/Off Switch | Red/Black, 16A @ 125-250V
$5.99
JR Products Standard 12V On/On Rocker Switch | Ivory, SPDT
$5.99
MTS Battery Box Vent Accessory Kit | 9", White, with Hose
$5.99
Samlex SEC-2425UL 24V 25A Battery Charger, ETL Listed
$5.54
Valterra Diamond Group 12V On/Off/On Rocker Switch | Black, Panel-Mount SPST
$4.99
Valterra Diamond Group 12V On/Off Switch | Ivory, Panel-Mount SPST Rocker
$4.99
Winegard RangePro WB-1035 Cellular Signal Booster | RV & Vehicle, 4G/5G, Up to 50dB Gain
$4.99
Winegard Connect 2.0 4G2 RV WiFi & 4G LTE Extender | Rooftop Mount, Dual-Band
$4.29
Winegard Gateway 4G Router | GW-1000, Add-On for Air 360+ Antennas, WiFi + LTE
$3.49
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.