48V Server rack battery systems are becoming very popular due to the fact they are coming down in price & are fully expandable.
You can build a massive off grid power supply using these server rack batteries.
Custom racks are also available to keep your system neat, tidy and secure.
Tou will find a good source at GobelPower who supply cells, racks and inverters.
You should always pre-charge any battery system inverter before connecting your batteries to avoid dangerous sparks. You can buy pre-charge resistors here from Amazon
At 0.20p per Watt Hour (May increase) this server rack battery is great value for money. Buy From Amazon or from AoLithium directly.
UL Listed Class A battery
• 4000+ cycles @85% DOD, 6000+ cycles @80% DOD
• 20-year typical lifespan and 8-year warranty
• 6.0 single pole angled connector (IP67), salt spray rating 144H
• LCD screen, real-time monitoring of battery data
• Built-in intelligent BMS, programmable
• 4 temperature sensors for high and low temperature protection
• 2×RS485, 2×RS232, 1×CAN bus communication
• Compatible with Pylontech, GoodWe, Deye, Megarevo, Victron inverters
• Free accessories: cables and racks
• Precharge circuit to prevent BMS damage
51.2V/280Ah 15kWh/7.5kW LiFePO4 Server Rack Battery
RS485, CAN, RS232
BMS: 200A professional ESS BMS compatible with most inverters