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Jackery Explorer 300D
A 5.5 lb DC-only power bank with a 140 W USB-C cable that doubles as the carry handle. Silent, since it has no fan.
How long it runs
Estimated from 288 Wh at 92% DC efficiency, since it has no inverter, using typical average draw.
Specs
| Capacity | 288 Wh |
|---|---|
| Continuous output (DC) | 140 W |
| Battery chemistry | LiFePO4 (LFP) |
| Rated cycles | Up to 4,000 |
| Weight | 5.5 lb (2.5 kg) |
| Outlets | 3 USB-C (including a 140 W cable that doubles as the handle), 1 USB-A, 1 12 V socket. No AC outlets |
| Wall recharge | Not published |
| Max solar input | Jackery SolarSaga panels (input wattage not published) |
| Backup switching (UPS) | Not listed |
What's good
- 5.5 lb, one of the lightest stations we cover.
- Fanless, so it's silent in a tent or bedroom.
- 140 W USB-C charges most laptops at full speed.
- LiFePO4 cells rated up to 4,000 cycles.
What to know
- No AC outlets.
- Jackery lists 140 W output in the US; European launch coverage says up to 300 W combined. We use the lower figure.
- Charge time and solar input aren't published.
Compare it
Put the Jackery Explorer 300D side by side with every other station in the runtime calculator, or read the reviews of the closest rivals: Jackery Explorer 300 v2, Anker SOLIX C300X DC, EcoFlow River 520 Gen4.
Specs from Jackery's product listing and Mobiflip's launch coverage. Runtimes are our estimates. Specs last checked October 2026.