Description
Overview
BigBattery’s 48V ETHOS is a stackable, modular home battery. This kit includes two 5.12kWh modules for 10.24kWh (200Ah), plus the control box with an interactive LED display and the mounting system.
A smart BMS balances cells automatically, each module has internal fire suppression, and the case is rated IP65. ETHOS communicates over CANBus and RS485 with inverters from EG4, Sol-Ark, Growatt, Voltronic, Victron, Megarevo, Schneider, SMA, Deye, Solis, Inhenergy and Luxpower. Add modules later as your needs grow, up to 16 per control box.
Who it’s for
- Whole-home solar battery systems.
- Emergency backup for cabins and tiny homes.
- Homes planning to grow battery storage over time.
Key benefits
- 10.24kWh: two modules ready to install.
- Expandable: up to 16 modules per control box.
- Certified: UL 9540A, UL 1973 and UN 38.3.
- Safe: internal fire suppression, IP65.
- LED display: health and status at a glance.
Specifications
| Nominal voltage | 51.2V |
|---|---|
| Capacity | 200Ah / 10.24kWh (2 modules) |
| Chemistry | LiFePO4 |
| Included | 2 battery modules, control box, mounting system |
| Communication | CANBus, RS485 |
| Protection rating | IP65 / NEMA 4X |
| Certifications | UL 9540A, UL 1973, UN 38.3 |
| Expansion | Up to 16 modules per control box |
FAQ
Can I add more modules later?
Yes. Add single ETHOS modules, up to 16 per control box.
Which inverters does it work with?
EG4, Sol-Ark, Growatt, Voltronic, Victron, Megarevo, Schneider, SMA, Deye, Solis, Inhenergy and Luxpower, according to BigBattery.
Warranty
Manufacturer’s warranty: 12 years.
Our returns policy is in addition to your statutory rights.
Defective on arrival or within 30 days? You can also return it to us under our Returns & Refunds Policy. See how warranty claims work.
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