Description
Lithium Pros | M31150-S 12.8V 150Ah Lithium Ion Engine Start Battery
The Lithium Pros M31150-S 12.8V 150Ah Lithium Ion Engine Start Battery is built to deliver unmatched starting power, faster recharge times, and superior reliability for demanding marine and automotive applications. Featuring advanced LiFePO4 technology, this battery offers high cranking performance, long cycle life, and exceptional energy efficiency. Its lightweight design and integrated Battery Management System (BMS) ensure maximum safety, stability, and performance in even the toughest environments. Perfect for high-output engines, it combines strength, smart protection, and lasting durability.
KEY FEATURES
- This battery meets the Sept 19, 2022 Mercury specifications for a lithium-ion engine start battery.
- Compatible with all outboards and alternators
- Replace two group 31 AGM batteries with this ONE battery!
- 12.8V
- 150Ah (1,920 Whr)
- 360 Reserve Minutes
- BCI Group 31 size, (13″L x 6.81″ W x 8.43″ T)
- 36.0 lbs
Specifications
| Model | M31150-S |
| Nominal Voltage | 12.8V DC |
| Capacity | 150Ah |
| Energy | 1,920Wh |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Cranking Amps (CCA) | 1,500A |
| Battery Management System (BMS) | Integrated – protects against overcharge, over-discharge, short circuit, and temperature extremes |
| Cycle Life | Up to 3,000 cycles (80% DOD) |
| Charging Voltage | 14.4V DC |
| Max Continuous Discharge Current | 200A |
| Peak Discharge Current (5 sec) | 1,000A+ |
| Operating Temperature Range | -20°C to 60°C |
| Dimensions (L x W x H) | 13.0” x 6.8” x 8.7” |
| Weight | Approx. 31 lbs (14.1 kg) |
| Application | Marine, automotive, and high-performance engine starting systems |
| Warranty | 12 years |
