Jackery Explorer 300D
Power station · Explorer. Specs from the manufacturer page (checked ).

The Jackery Explorer 300D is a 288Wh portable power station with 140W rated output and a LiFePO4 battery rated for 4000 cycles to 70%+ capacity. It weighs 5.5 lbs and can charge up to five devices at once for outdoor use.
Key features
- 288Wh capacity with 140W output
- Multiple output ports to charge up to 5 devices simultaneously
- Built-in 2-in-1 USB-C strap for quick charging
- Pure sine wave output
- Recharging: AC adapter 2.4H; car adapter (96W max) 4H; Jackery SolarSaga 40W Air 9.5H; Jackery SolarSaga 100W Air 3.5H
- LiFePO4 battery, 4000 cycles to 70%+ capacity
- Running Time Calculator on the product page to estimate runtime for a given wattage
What it is for
- Hiking
- Weekend road trips
- Outdoor work such as photography, videography, or remote laptop work
Specifications
| Capacity | 288 Wh |
|---|---|
| Continuous output | 140 W |
| Battery chemistry | LiFePO4 |
| Cycle life | 4000 cycles |
| AC charging | 2.4H |
| Weight | 2.49 kg (5.5 lb) |
From the Jackery page. Values the manufacturer does not publish are left out.
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | surge too high | — |
| Chest freezer | 100 W (500 start) | surge too high | — |
| CPAP (no humidifier) | 35 W (40 start) | yes | 6.5 h |
| Gas boiler (pump + controls) | 120 W (300 start) | surge too high | — |
| Wi-Fi router + modem/ONU | 12 W | yes | 19 h |
| Starlink (standard dish) | 60 W (100 start) | yes | 3.8 h |
| TV 50" | 75 W | yes | 3.0 h |
| Sump pump 1/2 HP | 920 W (2150 start) | surge too high | — |
| Well pump 1/2 HP | 880 W (2000 start) | surge too high | — |
| Space heater 1500 W | 1500 W | surge too high | — |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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Jackery Explorer 300D comparisons
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All 8 comparisons
Connection and wiring
We have not linked an official manual for this model yet; see the Jackery page.
Error codes and troubleshooting
We have not found an official code table for this model yet.
FAQ
How long will the Jackery Explorer 300D run a refrigerator?
About 5 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Jackery Explorer 300D start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 140 W output (no separate peak published). That is below a typical 1/2 HP sump pump start (about 2150 W); check your pump label. Use the calculator with your exact pump.