BYD 2.76 kWh HVM battery module capable of high-power emergency backup and off-grid functions. Superior performance with true high-voltage serial connection. Patented modular plug-in design requires no internal wiring and provides maximum flexibility and ease of use. Cobalt-free lithium-iron-phosphate (LFP) battery: maximum safety, longevity and power. Compatible with leading 1 and 3 phase high voltage battery inverters. Two different modules to cover the full range of system sizes.