Lithium Pros | N3250-48D 51.2V 50Ah NMEA 2000 Lithium Ion Trolling Battery with OLED Display
The Lithium Pros N3250-48D is a premium 51.2V 50Ah lithium-ion trolling battery built for professional-grade marine performance. Equipped with both NMEA 2000 connectivity and a high-visibility OLED display, this battery delivers real-time performance data, superior efficiency, and long-lasting power for 48V trolling systems. The integrated Battery Management System (BMS) ensures optimal operation, protecting against overcharge, over-discharge, and temperature extremes. Engineered with advanced LiFePO4 chemistry, it provides consistent power delivery, rapid charging, and exceptional cycle life—all in a lightweight, maintenance-free design.
KEY FEATURES
- Replace four group 27 AGM batteries with this ONE battery!
- NMEA 2000 connectivity
- 51.2V
- 50Ah (2,560 Whr)
- 120 Reserve Minutes
- BCI Group GC12 size, (12.88″L x 7.13″ W x 10.50″ T)
- 46.0 lbs
Specifications
| Model | N3250-48D |
| Nominal Voltage | 51.2V DC |
| Capacity | 50Ah |
| Energy | 2,560Wh |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Communication Interface | NMEA 2000 compatible |
| Display | OLED digital display (voltage, current, SOC) |
| Recommended Charging Voltage | 58.4V DC |
| Max Continuous Discharge Current | 60A |
| Peak Discharge Current (5 sec) | 120A |
| Cycle Life | Up to 3,000 cycles (80% DOD) |
| Battery Management System (BMS) | Integrated smart BMS with full protection |
| Charging Temperature Range | 0°C to 45°C |
| Discharge Temperature Range | -20°C to 60°C |
| Dimensions (L x W x H) | 13.0” x 6.8” x 8.8” |
| Weight | 39 lbs (17.7 kg) |
| Application | 48V trolling motors, marine electronics, and advanced boat systems |
| Warranty | 12 years |
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We provide certified gas with 99.9% minimum purity, preventing system contamination and ensuring optimal HVAC function.