The Victron 51.2V NG Lithium Battery is a high-performance lithium-ion phosphate battery. Its high voltage capacity makes it ideal for 48 V systems that require reliable, high energy density, such as residential solar, off-grid cabins, industrial applications, and marine setups.
Width | 648 mm |
Height | 235 mm |
Depth | 162 mm |
Weight | 37 kg |
Victron Energy has a strong, unrivalled reputation for technical innovation, reliability, and build quality. Their products are widely considered to be a professional choice for independent electric power. Efficiently combining two or more distinct power sources is what they do best. Their products include sinewave inverters, sinewave inverters/chargers, battery chargers, DC/DC converters, transfer switches, battery monitors and more.
Voltage and Capacity | |
| Nominal voltage | 51.2 V |
| Nominal capacity @ 25 °C | 100 Ah |
| Nominal energy @ 25 °C | 5120 Wh |
| Capacity loss | (per 100 cycles, @ 25 °C, 100 % DoD): <1 % |
| Energy loss | (per 100 cycles, @ 25 °C, 100 % DoD): <1 % |
| Round trip efficiency | 92 % |
Cycle Life | |
| 80 % DoD | 2500 cycles |
| 70 % DoD | 3000 cycles |
| 50 % DoD | 5000 cycles |
Discharge | |
| Max continuous discharge current (C-rate) | 100 A (1C) |
| Max pulse discharge current 10s (C-rate) | 200 A (2C) |
| End of discharge voltage | 44.8 V |
| Internal resistance | 8 mΩ |
Charge | |
| Charge voltage | Between 14 V / 28 V / 56 V and 14.4 V / 28.8 V / 56.8 V |
| Float voltage | 13.5 V / 27 V / 54 V |
| Max continuous charge current (C-rate) | 100 A (1C) |
| Max pulse charge current 10s (C-rate) | 200 A (2C) |
General | |
| BMS-es | Lynx Smart BMS NG 500 A / 1000 A (M10 busbars), must be purchased separately |
| Cell measurements | Cell voltages and temperatures, battery current |
| Battery BMS interface | Male + female cable with M8 circular connector with high-speed digital communication, length 50 cm M8 extension cables are available separately for purchase in various lengths between 1 and 5 meters |
| Alarm feature | Pre-alarm contact on BMS |
| Bluetooth | In the BMS |
| Max batteries per BMS | 25 (128 kWh per BMS) |
| Battery firmware updates | Battery firmware automatically updated by BMS |
| Repairable | Yes (cover can be removed with screws) |
Operating Conditions | |
| Operating temperature | Discharge: -20 °C to +50 °C | Charge: +5 °C to +50 °C |
| Storage temperature | -45 °C to +70 °C |
| Humidity (non-condensing) | Max. 95 % |
| Protection class | IP65 |
Mounting | |
| Mounting options | Strap or mounting brackets (brackets included) |
| Can be placed on their sides | Yes |
Other | |
| Self-discharge rate | ≤ 3 % per month @ 25 °C |
| Power connection | M8 (threaded inserts and bolts) |
| Dimensions | 235 x 648 x 162 mm |
| Weight | 37 kg |
Standards | |
| Safety (cells) | UL1973 UL9540A IEC62619 (all three pending) |
| Safety (battery) | IEC 62619 (pending), UL 2054 |
| EMC | EN 61000-6-3, EN 61000-6-2 |
| Automotive | ECE R10-6 |
| Performance | IEC 62620 |
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