RV Lithium Deep-Cycle Batteries
The Ultimate Power Solution for Off-Grid RV Living
Experience true freedom with ChargEx LiFePO₄ batteries. Power your RV for weeks off-grid, charge faster from solar, and enjoy a decade of maintenance-free operation.
Why RVers Choose Lithium
Extended Boondocking
Power for 7-14 days off-grid camping
Faster Charging
Recharge from solar in 2-4 hours vs 8-12 hours
Lightweight
LiFePO₄ is 70% lighter than lead-acid
Lower Total Cost
10-15 year lifespan vs 3-5 year lead-acid
Silent Operation
No gas generator noise needed as often
Cold Weather
Operates in temps where lead-acid fails
Battery Sizing by RV Type
Class A Motorhome
System: 24V 400-600Ah
Powers: Full house power: refrigerator, furnace, A/C, water heater
Autonomy: 10-14 days autonomy
Class B Van
System: 12V 200-400Ah
Powers: Essential loads: lights, water pump, fridge, heater
Autonomy: 5-7 days autonomy
Class C Motorhome
System: 12V 300-500Ah
Powers: Standard loads: lights, water, basic appliances
Autonomy: 7-10 days autonomy
Travel Trailer
System: 12V 200-400Ah
Powers: Lights, water pump, furnace, basic 12V electronics
Autonomy: 5-10 days autonomy
Fifth Wheel
System: 24V 300-600Ah
Powers: Full amenities: multiple AC units, appliances
Autonomy: 10-14 days autonomy
Teardrop/Toy Hauler
System: 12V 100-200Ah
Powers: Basic: lights, water pump, small heater
Autonomy: 3-5 days autonomy
Lithium vs Lead-Acid
| Specification | Lead-Acid | ChargEx Lithium |
|---|---|---|
| Lifespan | 3-5 years | 10-15 years |
| Cycles | 500-1,000 | 3,000-5,000 |
| Weight | 100+ lbs (4 batteries) | 30-50 lbs |
| Usable Capacity | 50% (100Ah = 50Ah) | 95% (100Ah = 95Ah) |
| Charging Time | 8-12 hours | 2-4 hours |
| Efficiency | 80-85% | 95-98% |
| Temperature | Poor below 32°F | Operates to 0°F |
| Maintenance | Monthly water checks | None required |
Complete RV Power System
Essential Components
Lithium Battery
12V/24V 100-600Ah
Solar Charge Controller
MPPT 40-80A
Inverter
1000-5000W Pure Sine
Battery Monitor
Real-time SOC display
Breakers & Wiring
Appropriately rated
Integration Benefits
- ✓Charge 3x faster from solar panels
- ✓Integrated BMS protects all equipment
- ✓Works with existing RV systems
- ✓Smartphone monitoring available
- ✓Professional installation available
Real RV Adventures with ChargEx
Class A Motorhome - Full-Time Travelers
System: 24V 400Ah LiFePO₄
"We boondock 10-14 days between charges. With our 4kW solar array, we're completely energy independent in summer."
Sprinter Van Conversion
System: 12V 300Ah LiFePO₄
"Cut our weight in half and gained 3x the capacity. Now we can camp in the mountains without generator noise."
Fifth Wheel - Seasonal Travelers
System: 24V 600Ah LiFePO₄
"We stay off-grid for 2-3 weeks at a time. Winter performance is excellent even in Colorado temps."
Travel Trailer - Weekend Warriors
System: 12V 200Ah LiFePO₄
"Perfect for weekend camping. Recharges to 100% from our campground solar in just 4 hours."
Installation & Support
Professional Installation
RV dealers and mobile technicians in your area can install your system professionally.
DIY Resources
Complete installation guides and videos available for RVers who want to do it themselves.
24/7 Support
Our team is always available to answer questions or troubleshoot issues on the road.
Ready for Off-Grid Freedom?
Let our RV specialists help you design the perfect lithium power system for your rig.