Camper Battery Sizing Calculator
Use this camper battery sizing calculator to estimate how many amp-hours you need for your RV or van build. Add each device, track daily usage, and dial in system voltage, efficiency, and depth of discharge for a realistic battery bank size.
Camper Battery Sizing Calculator
List your camper or RV devices, then refine your system voltage, usable capacity, and efficiency to estimate the battery bank size you need in amp-hours.
System settings
Tip: Battery type sets a suggested depth of discharge. Adjust it to match your manufacturer specs.
Daily device load table
| Device name | Voltage (V) | Power (W) | Time used per day (hours) | Amperage (A) | Actions |
|---|---|---|---|---|---|
0.00 A | |||||
0.00 A |
Add at least one device with power and hours to estimate your camper battery size.