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⌁ 03 / All-in-One
Portable battery, inverter, and outlet — one box
A lithium battery, inverter, charge controller, and outlet packed into one rugged enclosure. Just charge it and plug things in.
On the Market
Buy one off the shelf
Jackery Explorer 240 v2
↗ buy256 Wh · 300W AC · USB-C PD 100W
The classic compact 'power station'. Pure sine wave AC, runs a laptop or mini fridge for hours.
EcoFlow River 3
↗ buy245 Wh · 300W AC (600W X-Boost) · LiFePO4
LiFePO4 chemistry, 3,000 cycles, fast 1-hour recharge.
Anker 521 PowerHouse
↗ buy256 Wh · 200W AC · LiFePO4
Lightweight (3.7 kg), shoulder-strap-friendly. Good for DJ rigs and tailgates.
BLUETTI EB3A
↗ buy268 Wh · 600W AC · LiFePO4
Highest sustained AC output in this class — handles small power tools.
Concept Design
Our own sub-300W concept, drawn three ways
Enclosure
180 × 95 × 65 mm rugged ABS with rubberized corners and integrated handle.
Cells
8× 18650 LiFePO4 in 4S2P → ~13.2V nominal, ~6 Ah, ~80 Wh.
Inverter
Pure-sine 150W (300W peak), MOSFET H-bridge with toroidal output filter.
Ports
1× 120V AC outlet, 1× USB-C PD 60W, 1× 12V DC barrel out.
Display
0.96" OLED — battery %, output W, runtime estimate.
Safety
BMS with over-current, over-temp, short-circuit; 5A AC fuse.
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