- Our 12V 120Ah lithium batteries work life longer than lead-acid batteries, our lithium batteries worklife is 10 years, lead-acid batteries only can work 2-3 years.
- Our 12V 120Ah lithium batteries is lighter than lead-acid batteries, our lithium batteries weight is only 1/3 of lead-acid batteries weight.
- Our 12V 120Ah lithium batteries Charging speed faster than lead-acid batteries, our 12V 120Ah lithium battery full charge around 1.5 hours, 12V 120Ah lead-acid batteries full charge around 9 hours.
12V 120Ah LiFePO₄ lithium battery is a high-capacity, deep-cycle battery designed for applications that require stable power, long life, and reliable performance. It is widely used in solar storage, RVs, marine, and backup power systems.
Basic Specifications
Nominal Voltage: 12.8V
Capacity: 120Ah
Energy Storage: 1,536Wh (1.54 kWh)
Charge Voltage: 14.6V
Discharge Cut-off Voltage: ~10.0V
Standard Charge Current: 20A–50A
Max Continuous Discharge Current: 100A (varies by BMS)
Peak Discharge Current (5 sec): ~150A–200A
Cycle Life: 3,000–6,000+ cycles @ 80% DOD
Weight: ~13 kg (29 lbs)
Size: ~330 x 175 x 220 mm (customize able)
Key Features
Built-in Smart BMS:
Protects against overcharge, over-discharge, short circuit, overcurrent, and temperature extremes
Fast Charging Capability
Stable Voltage Output
Maintenance-Free
Can Be Connected in Series or Parallel
Optional: Bluetooth monitoring or LCD display
Common Applications
Off-grid solar power systems
RVs and campers
Marine power (boats, trolling motors)
UPS backup systems
Home energy storage
Electric mobility and tools
Advantages Over Lead-Acid
Up to 10x longer lifespan
100% usable capacity vs. ~50% for AGM/SLA
Lighter weight
Faster charging
Better performance in high-load conditions
No maintenance, no acid or fumes
