Victron
Victron Lithium Battery Smart 12.8V/50Ah
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Victron Lithium Battery Smart 12,8V 50Ah is a Lithium Iron Phosphate (LiFePO4) battery built for demanding marine power systems. Unlike lead-acid, an LFP battery does not need to be fully recharged after every cycle and tolerates being left partially charged, which suits boats that spend long periods at anchor, on shore power, or laid up over winter.
Integrated Bluetooth lets cell voltages, temperature and alarm status be read in the VictronConnect app, making it straightforward to spot a developing problem such as cell imbalance. The cell can deliver up to 100 A continuous and stores 640 Wh, and its low internal resistance and 92% round-trip efficiency reduce charging losses compared with lead-acid.
This is a building-block cell rather than a drop-in battery: it has integrated cell balancing and monitoring but requires an external Battery Management System (for example a VE.Bus BMS, smallBMS or Lynx Smart BMS) to manage low-voltage, high-voltage and temperature protection. Cells can be wired in series, parallel or series/parallel to build 12 V, 24 V or 48 V banks.
PRODUCT DETAILS
- Lithium Iron Phosphate (LiFePO4) chemistry; 12,8 V nominal, 50 Ah, 640 Wh
- Built-in Bluetooth for cell voltage, temperature and alarm monitoring in VictronConnect
- Requires an external Victron BMS (VE.Bus BMS, smallBMS or Lynx Smart BMS)
- Integrated cell balancing and cell monitoring
- Up to 100 A maximum continuous discharge current
- 92% round-trip efficiency and low internal resistance
- Cycle life of 2500 cycles at 80% depth of discharge
- Connect in series, parallel or series/parallel for 12 V, 24 V or 48 V banks
- IP22 protection; M8 power terminals
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Key specifications
| Nominal voltage | 12.8 V |
| Nominal capacity | 50 Ah |
| Nominal energy | 640 Wh |
| Maximum continuous discharge current | 100 A |
| Bluetooth | Yes |
| Protection class (IP) | IP22 |
Electrical
| Nominal capacity at 0°C | 40 Ah |
| Nominal capacity at -20°C | 25 Ah |
| Round trip efficiency | 92 % |
| Internal resistance | 2 mΩ |
Discharge
| Recommended continuous discharge current | ≤50 A |
| End of discharge voltage | 11.2 V |
Charge
| Charge voltage | 14.2 V recommended (range 14 V to 14.4 V) |
| Float voltage | 13.5 V |
| Maximum charge current | 100 A |
| Recommended charge current | ≤30 A |
Cycle life
| Cycle life at 80% DoD | 2500 cycles |
| Cycle life at 70% DoD | 3000 cycles |
| Cycle life at 50% DoD | 5000 cycles |
BMS / protection
| BMS connection | Male + female cable with M8 circular connector, length 50 cm |
| Cell measurements | Bluetooth cell voltage, temperature and alarm status monitoring via VictronConnect |
Operating conditions
| Operating temperature (discharge) | -20°C to +50°C |
| Operating temperature (charge) | +5°C to +50°C |
| Storage temperature | -45°C to +70°C |
| Humidity (non-condensing) | Max. 95 % |
Physical
| Power connection / terminals | M8 threaded inserts |
| Dimensions (h×w×d) | 199 x 188 x 147 mm |
| Weight | 7 kg |
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