Victron Energy – 12V/50Ah Smart LiFePO4 Battery | BAT512050610
The Victron Energy LFP-Smart 12.8/50 is a 12.8V 50Ah Lithium Iron Phosphate (LiFePO4) battery with 640Wh of nominal energy, integrated cell balancing, cell monitoring and Bluetooth. Bluetooth allows cell voltage, temperature and alarm status to be monitored through the VictronConnect App.
The battery’s cell balancing and monitoring cables must be connected to a compatible Battery Management System (BMS).
Key Specifications
• Product – LFP-Smart 12.8/50
• Part Number – BAT512050610
• Battery Chemistry – Lithium Iron Phosphate (LiFePO4)
• Nominal Voltage – 12.8V
• Nominal Capacity @ 25°C – 50Ah
• Nominal Capacity @ 0°C – 40Ah
• Nominal Capacity @ -20°C – 25Ah
• Nominal Energy @ 25°C – 640Wh
• Capacity Loss – <1% per 100 cycles @ 25°C, 100% DoD
• Energy Loss – <1% per 100 cycles @ 25°C, 100% DoD
• Round-Trip Efficiency – 92%
• Cell Configuration – 4 cells connected in series
• Cycle Life @ 80% DoD – 2,500 cycles
• Cycle Life @ 70% DoD – 3,000 cycles
• Cycle Life @ 50% DoD – 5,000 cycles
• Cycle-Life Capacity Criterion – ≥80% of nominal capacity
• Cycle-Life Discharge Current – 1C
• Maximum Continuous Discharge Current – 100A
• Recommended Continuous Discharge Current – ≤50A
• End-of-Discharge Voltage – 11.2V
• Internal Resistance – 2mΩ
• Charge Voltage – 14.0V to 14.4V
• Recommended Charge Voltage – 14.2V
• Float Voltage – 13.5V
• Maximum Charge Current – 100A
• Recommended Charge Current – ≤30A
Battery Management & Monitoring
• Bluetooth – Yes
• Bluetooth Monitoring – Cell voltage, temperature and alarm status through VictronConnect
• Cell Balancing – Integrated
• Cell Monitoring – Integrated
• BMS Connection – Male + female cable with M8 circular connector, 50cm length
• Maximum Batteries per BMS – 20
• BMS Parallel Capability – Up to 5 BMS units can be paralleled
The BMS is designed to:
• Generate a pre-alarm when a battery cell drops below 3.1V; adjustable from 2.85V to 3.15V
• Disconnect or shut down the load when a battery cell drops below 2.8V; adjustable from 2.6V to 2.8V
• Stop charging when a battery cell exceeds 3.75V or when battery temperature becomes too high or too low
Operating Conditions
• Discharge Operating Temperature – -20°C to +50°C
• Charge Operating Temperature – +5°C to +50°C
• Storage Temperature – -45°C to +70°C
• Maximum Humidity – 95%, non-condensing
• Protection Class – IP22
• Maximum Storage Time @ 25°C – 1 year when fully charged
Mounting & Physical Specifications
• Mounting – Upright or on its side; must not be mounted with battery terminals facing down
• Power Connection – M8 threaded inserts
• Dimensions (h × w × d) – 199 × 188 × 147mm
• Weight – 7kg
Standards
• Cell Safety Standards – UL1973, IEC62619:2017, UL9540A
• Additional Safety Standards – EN 60335-1:2012/AC:2014, EN-IEC 62368-1:2020, IEC 61427-1:2013
• EMC – EN-IEC 61000-6-3:2007/A1:2011/AC:2012, EN 55014-1:2017/A11:2020
• Automotive – ECE R10-6
