12V 220Ah NMEA 2000 Lithium Battery Spec Sheet

12V 220Ah Dual‑Purpose LiFePO₄
Stored energy 2816 Wh
Rated capacity 220 Ah
Nominal voltage 12.8 V
Volt range 10–14.4 V
Charge time Standard: 5.5 h Rapid: 1.5 h
Charge method (CC‑CV) Standard: 40 A @ 14 VRapid: 150 A @ 14 V
Max discharge current Crank: 1800 A Surge (60 s): 400 A Continuous: 200 A
Cycle life (0.5C, 23 °C / 73 °F) 10% DoD: > 6000 cycles100% DoD: > 2000 cycles
Operating temperature range Charge: 0°–55 °C (32°–131 °F) Discharge: −20°–60 °C (−4°–140 °F) Storage (1 mo): −20°–45 °C (−4°–113 °F) Storage (6 mo): −10°–35 °C (14°–95 °F)
Waterproof IP67
Flammability rating UL94‑V0
Approx. weight 21.3 kg (46.9 lb)
Series & parallel connection Series not supported. Up to 7 in parallel.Equalize voltages before connection.Contact manufacturer to parallel more units.


BMS Protection
Balance Current: 40 mA Activate voltage: 3.55 V/cell
High‑temperature protection (MOSFET) Protection: 115 °C / 239 °F Release: 90 °C / 194 °F
High‑temperature protection (cell) Protection: 65 °C / 149 °F (charge); 70 °C / 158 °F (discharge)Release: 55 °C / 131 °F (charge); 60 °C / 140 °F (discharge)
Low‑temperature protection (cell) Protection: −5 °C / 23 °F (charge); −20 °C / −4 °F (discharge) Release: 0 °C / 32 °F (charge); −15 °C / 5 °F (discharge)
Over‑charge Protection: 15.4 V (3.85 V/cell) Release: 14.6 V (3.65 V/cell)
Over‑discharge Protection: 9.2 V (2.3 V/cell) Release: 10 V (2.5 V/cell)
Short‑circuit Protection: 3800 A Release: Remove load for the short‑circuit protection to release


PHYSICAL SPECIFICATIONS

  • Dimensions: 14.9" x 8.1" x 10.1" in
  • 330×173×216mm (Group 31)
  • Approximate Weight: 46.9 lbs (21.3 Kg)
  • Case Color/Material: Black Plastic case (ABS)
  • Cell Type: Prismatic LiFePO4 cell
  • Cell Holder: Yes