12-Volt Battery

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The battery that supplies 12 volts to your RV is also called the house battery, and you might have more than one. This type of deep cycle battery powers the home appliances in your RV, like your microwave, refrigerator, and TV.

It is designed for deep cycles, with thick plates frequently discharged and recharged.
It is rated in Amp Hours (AH) or Reserve Capacity (RC) instead of CCA.
It provides a steady current over long durations.

If you have a towable RV, you only need to keep up with the 12-volt battery. It is important to ensure your battery operates so your smoke and carbon monoxide detectors function.

The Chassis Battery

Also called the starter battery, this is the battery used to run your drivable RV’s engine. It starts the RV’s auto component using large currents over short periods. Your chassis battery has the following properties:

It has several thin plates to maximize the area exposed to the electrolyte.
It is rated in Cold Cranking Amps (CCA).
It is unable to perform deep cycle applications.

Motorhome Battery Installation From 2 6volt To 4 6volt

Before

When you have a problem keeping a charge on your battery for a longer time, we suggest putting 4 or more batteries in a series-parallel.

After

This is the after installation on 4 6-volt batteries.

Change from 6 Volt Flooded Battery to 6 Volt Agm Battery

Before Flooded Batteries

With flooded batteries, you have to worry about the corrosion build-up and check the water every month to maintain battery life.

After with AGM Batteries

With the AGM battery, there are no worries about checking the water. The shelf life is longer, the recharge is faster, and it has a longer life span.

Motorhome Batteries

Part T105

T105 Trojan
225AMPS 20HRS
185AMPS 20HRS
L 10.4 W 7.1 L 10.9

Part US2200x

20 Hour Rate: 232
Minutes of Discharge @ 75 Amps: 122
Minutes of Discharge @ 25 Amps: 474
Length: 10 1/4” (260mm)
Width: 7 1/8” (181mm)
Height: 11 1/4” (286mm)

Part CB6-224

224AMPS 20HRS
205 AMPS 10HRS
L 10.24 W 7.09 H 9.92 WEIGHT 69.44

Part C31-10ST

1000 CCA
L 13 W 6.81 H 9.44