BUYING GUIDE
Bigger isn't always better, it just means paying for capacity you won't use. Here's a straightforward way to match capacity to what you're actually doing.
POWER SIZING CALCULATOR
Adjust quantity and hours per device, we'll estimate your total watt-hour need including a safety buffer, no email required to see your result.
| Device | Watts | Qty | Hours |
|---|
Estimate only, actual runtime varies with surge draws, temperature, and inverter efficiency. Includes a 20% buffer for inverter inefficiency.
~200Wh
Every ounce counts. Keep your phone, headlamp, and GPS alive without adding bulk. See TRAIL Series →
~300Wh
Phones, cameras, a headlamp, and a speaker charged through the whole weekend. See RIVER 3 →
~500Wh
Longer trips deserve more headroom, run a mini fridge or CPAP overnight. See RIVER 3 Plus →
~500-1,000Wh
More capacity for small appliances on multi-day trips, without the bulk of a DELTA. See RIVER 2 Max / Pro →
~1,000Wh
Keep your router, monitor, and laptop running through a power cut, no lost work. See DELTA 2 / 3 →
~2,000Wh
Run the fridge, keep the lights on, protect what matters through a multi-hour outage. See DELTA 2 / 3 Max →
3,000-4,000Wh
True independence, days of power for a remote property without touching the grid. See DELTA Pro / Pro 3 →
6,000Wh+
For households that can't afford downtime, stacks with extra batteries for whole-property power. See DELTA Pro Ultra →
WHICH SERIES?