ECO Battery Lithium 12V RV Battery 120Ah (800A Max, Dual Purpose)
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ECO Battery 12V Lithium RV Battery 120Ah (Dual Purpose)
The Leader in Golf Cart Batteries, Now For Your RV
Class B vans and truck campers often want one bank that can do a little of everything: hold and deliver 120Ah of house power, survive 3,000 cycles, and still deliver serious amps on demand when you need them for cranking. This dual purpose ECO Battery does exactly that, with 800 Cranking-Amps on tap, reliable running power and Bluetooth so you always know how much life you have left.
And with Internal Heating, you won't ever have to stress about charging your rig when there are freezing temps outside.
This battery is 29 lbs in a Group 31 footprint, which frees up payload for the things your trips are actually about.
Big Capacity for Rigs That Start Engines Too
- 800A peak amps of starting power for engines, starting motors, electric generators and compressor motors
- 120Ah of deep cycle house power behind the start job
- Reliable cold-weather operation with internal heating
- Grade-A LiFePO4 cells
- Rugged, marine-grade construction with IP67 case (and premium internal connections), UN38.3, and UL1973 compliance
- ABYC/USCG compliance
- 29.0 lbs in a Group 31 case size
- Lifetime Limited Warranty
Built for Seamless Integration
- Plug-and-play compatibility with RV-C, NMEA 2000, and Victron systems
- ECO Battery proprietary BMS and CAN architecture for OEM-ready customization
- Real-time Bluetooth monitoring via the EB Power mobile app
- Case designed to fit any application securely
- Easily expand your capacity with parallel connections
ECO Battery 12V 120Ah RV Battery Specs for Nerds
| Spec | Eco Battery 12V 120Ah Dual Purpose RV Battery |
|---|---|
| Voltage | 12V LiFePO4, Cylindrical (32 cells, 4S8P) |
| Capacity | 120Ah |
| Engine Starting | 800A |
| Max Continuous Discharge | 150A continuous, 800A for 8-10 seconds |
| Max Charge | 120A max (60A or less recommended) |
| Cycle Life | 3,000 cycles at 80% depth of discharge |
| Bluetooth | Yes, live status in the EB Power app |
| Group Size | BCI Group 31 |
| Weight | 29.0 lbs |
| Dimensions | 12.96" x 6.9" x 8.52" (329 x 175 x 217 mm) |
| Terminals | Four M8 x 1.25 studs, torqued to 80-100 in-lbs |
| Water Rating | IP67 |
| Cold Weather | Built-in heater (takes-over below 32°F) |
| Warranty | Manufacturer Lifetime Warranty |
View the ECO Battery 12V 120Ah spec sheet (PDF)
A single-battery solution for compact rigs, or the high-capacity building block for parallel banks. Lithium-profile charging recommended.
Backed by ECO Battery's Limited Lifetime warranty. Questions about fit or rigging? Call us at 888-274-7544 today!