BigBattery ETHOS Control Box
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The Control Box is the hub every ETHOS battery bank connects to — it manages the modules, talks to your inverter over CANBus/RS485, and is required to run any ETHOS system.
It requires a minimum of 2 ETHOS modules connected to operate, and supports up to 16 modules total in one system.
Renewable Outdoors is an authorized BigBattery dealer. Our Lowest Price Guarantee applies to every order — call us at (303) 876-7654 if you're unsure which part fits your system and we'll check it for you.
| Operating Voltage Range | 30–60V |
| Max Continuous Discharge | 200A |
| Max Continuous Charge | 200A |
| Communication | CANBus / RS485 |
| Max Modules Supported | 16 per Control Box |
| Weight | 22 lb (10 kg) |
| Dimensions | 26.5"W × 8.3"H × 6.7"D |
| Operating Temperature | -4°F to 122°F |
| Warranty | 12 years |
Required for any ETHOS battery system; sold separately from the modules themselves.