Leoch LR51.2-100 5.12kWh 51.2V 100Ah LiFePO4 Rack Battery

The Leoch LR51.2-100 is a 5.12kWh rack-mounted LiFePO4 battery built for 48V solar storage. Rated at 51.2V nominal with a 100Ah capacity, it carries a built-in BMS, a front LCD display and RS485, RS232 and CAN communication interfaces, and up to 15 units can be linked in parallel for larger banks.

Key features of this leoch battery lithium storage unit

• Capacity, 5.12kWh usable, 51.2V nominal, 100Ah rated
• Cycle life, more than 6000 cycles at 80% depth of discharge
• Design life, more than 15 years
• Case, rack-mounted steel case, standard 19-inch rack compatible
• Protection, built-in BMS with charge, discharge, overcurrent and temperature protection
• Communication, RS485, RS232 and CAN interfaces, supports up to 15 batteries in parallel

Applications

Suited to residential solar storage, hybrid inverter systems, off-grid PV installations and backup power setups. The rack format fits standard 19-inch cabinets, keeping multi-battery installations tidy, and the front LCD gives a quick read of voltage, current and temperature without opening an app.

Inverter compatibility

Leoch lists compatibility with several inverter brands including Growatt, Sofar, GoodWe, Solis, Victron and Voltronic. This is guidance rather than official approval, so firmware version and BMS protocol should be confirmed before installation.

What's in the box

• 1 x Leoch LR51.2-100 5.12kWh rack-mounted LiFePO4 battery
• Documentation and communication cables (check compatibility before ordering)

Installation notes

Rated IP31, this battery must be fitted indoors in a suitable rack, cabinet or protected technical space, not outdoors or in unprotected areas. Follow the Leoch installation guide, use correct DC fusing and cable sizing, and confirm the inverter communication protocol before commissioning. Fitting should be carried out by a qualified installer.