BigBattery Nexus 2 16kWh
For off-grid cabins and homesteads that need a lot of heated storage for the least money and don’t need UL paperwork. Grid-tied homes facing inspection should pick a UL 9540 battery instead.
BigBattery $2,990$2,990
2 BigBattery 48V batteries ranked. Each one is scored and ranked against every brand in its case, so "#3 mid-size" means third of all mid-size 48V batteries here, not third among BigBattery's own.
BigBattery makes 2 current 48V batteries: 2 wall and floor mount. Prices run from $1,580 for the BigBattery 48V Husky 2 INV to $2,990 for the BigBattery Nexus 2 16kWh. Its best-rated model: the BigBattery Nexus 2 16kWh (#13 of 21 wall and floor mount, rated 3.9). Models store 5.1 to 16.1 kWh.
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
BigBattery 48V batteries 2
- BigBattery Nexus 2 16kWh#13 wall and floor mountFull review
For off-grid cabins and homesteads that need a lot of heated storage for the least money and don’t need UL paperwork. Grid-tied homes facing inspection should pick a UL 9540 battery instead.
BigBattery $2,990$2,99016.1 kWh150 A8,00012 years - BigBattery 48V Husky 2 INV#16 wall and floor mountFull review
For RV, van and small off-grid systems that need a rugged, weatherproof 48 V battery that talks to the inverter. Home systems that stay indoors get more for the money from a rack battery.
BigBattery $1,580 Signature Solar $1,580$1,5805.1 kWh100 A3,50012 years
