Product Features

• Ultra-reliable Lithium Iron Phosphate (LiFePO4) technology.
• Integrated battery management System (BMS).
• Light weight & compact.
• Water & dust resistant (IP56).
• Highly durable ABS enclosure.
• Compatible with leading 24V inverters & chargers.

Technical Specifications

• Model: BN26-50-1.3k.
• Battery Type: LiFePO4 (Lithium Iron Phosphate).
• Usable Capacity: 1300 Wh @C10, 25°C.
• Nominal Voltage: 26 VDC.
• Operating Voltage Range: 23.2 VDC – 28.8 VDC.
• Operating Temperature Range: Charge: 0°C – 45°C | Discharge: -20°C – 55°C.
• Cycle Life @ 100% DoD: > 2000 cycles (1300 Wh @C10, 25°C).
• Cycle Life @ 80% DoD: > 3000 cycles (1040 Wh @C10, 25°C).
• Cycle Life @ 50% DoD: > 5000 cycles (650 Wh @C10, 25°C).
• Dimensions (mm): 327 x 172 x 218mm (W x D x H) Weight (kg) 13.5 kg.
• Warranty Period: 3 Years.
• Terminal: M8 (female).
• Max. 4 in series, max. 2 in parallel
• Recommended to not expand if the difference between the oldest & newest battery is more than 12 months.

Charge/ Discharge

• Bulk Voltage: 28.4 – 28.8VDC.
• Float Voltage: 27.6 VDC.
• Discharge Voltage (min.): 23.2 V.
• Charge Current (max.): Recommended: 10A | Maximum: 37A continuous.
• Discharge Current (max.): Recommended: 10A | Maximum: 50A continuous | Peak: 100A (<5 seconds).
• Self-discharge Rate: < 3% per month.
• Charge & Discharge Efficiency: 96% - 99% @C1.

Protection

• Environmental Protection: IP56.
• Over-current Protection: 100 A.
• Over-voltage Cut-out: 31.2 V.
• Under-voltage Cut-out: 20.0 V.