Jackery Explorer 300 (NMC): what it runs and for how long
The Jackery Explorer 300 is a 294 Wh NMC portable power station with a 300 W inverter (500 W surge). Compared with the Jackery Explorer 240 v2, it has 294 Wh of capacity instead of 256 Wh and 500 W of surge instead of 600 W. It meets our requirements for camping.
What can the Jackery Explorer 300 run, and for how long?
Combine loads in the Jackery Explorer 300 runtime calculatorOn a full charge it runs a 12V compressor fridge for about 24 h and a CPAP machine for about 4.5 h.
What can’t the Jackery Explorer 300 run?
The Jackery Explorer 300 can't run a refrigerator or a chest freezer (start-up ~2,200 W, limit 500 W); a microwave or a well pump (needs 1,000 W, inverter is 300 W); a space heater or an electric kettle (needs 1,500 W, inverter is 300 W).
Who is the Jackery Explorer 300 a good fit for?
The Jackery Explorer 300 meets every requirement for 1 of the 12 uses we filter for.
- ✓Camping
- ✕Carrying a CPAP on trips (light enough to pack) · needs capacity ≥ 500 Wh; the Jackery Explorer 300 has 294 Wh
- ?UPS use with computers and routers · can’t be checked: Jackery doesn’t publish the UPS switchover figure
- ?Fast solar charging · can’t be checked: Jackery doesn’t publish the solar input figure
- ?Balcony solar and apartments · can’t be checked: Jackery doesn’t publish the solar input figure
- ✕A LiFePO4 station under $500 · needs battery chemistry = LiFePO4; the Jackery Explorer 300 has NMC
Can you add batteries to the Jackery Explorer 300?
No. Jackery's spec page lists the Jackery Explorer 300 as not expandable, so its 294 Wh is the most it will ever hold.
How fast does the Jackery Explorer 300 recharge?
From a wall outlet it recharges in about 150 minutes in its fastest mode, per Jackery.
What are the Jackery Explorer 300's full specifications?
These figures come from Jackery's official US page, checked 2026-10-12. "Not published" marks specs Jackery doesn't publish.
| Capacity | 294 Wh Jackery's product page lists 293 Wh and its help center lists 293.8 Wh. |
|---|---|
| Battery chemistry | NMC |
| Rated cycles | 800 800 cycles to 80% capacity or more. |
| AC output (continuous) | 300 W |
| AC surge | 500 W |
| AC outlets | 2 |
| Max USB-C output | 60 W |
| Max solar input | Not published Jackery lists solar input only as 12.6-22 V, 3-7 A, with no wattage. |
| Max AC charging input | 90 W AC input is a 90 W adapter. |
| AC charge time (fastest mode) | 150 min 150 minutes needs the 90 W wall charger plus a 60 W USB-C PD charger together; adapter alone takes about 4.5 hours. |
| Expandable | No |
| Max with extra batteries | Not published |
| UPS switchover | Not published |
| Weight | 7.1 lb |
| Dimensions | 9.1 × 5.2 × 7.8 in |
| List price | $289 |
How does the Jackery Explorer 300 rank against other Under 500 Wh power stations?
Among the 9 current under 500 Wh models, the Jackery Explorer 300 is in the top third for capacity and weight and in the bottom third for surge, AC charging speed and rated cycles.
| Spec | Jackery Explorer 300 | Rank in band | vs band median | vs band leader |
|---|---|---|---|---|
| Capacity | 294 Wh | 3rd of 9 | +2% | -41% vs Goal Zero Yeti 500 |
| AC output | 300 W | 5th of 9 | level | -50% vs EcoFlow RIVER 3 Plus |
| Surge | 500 W | 7th of 8 | -17% | -58% vs EcoFlow RIVER 3 Plus |
| Solar input | Not published | — | — | — |
| AC charging | 90 W | 9th of 9 | -76% | -84% vs Jackery Explorer 240 v2 |
| Rated cycles | 800 | 9th of 9 | -73% | -80% vs Jackery Explorer 240 v2 |
| Weight | 7.1 lb | 2nd of 9 | -22% | +77% vs BLUETTI Elite 10 Mini |
| UPS switchover | Not published | — | — | — |
| Wh per list $ | 1.02 | 5th of 9 | level | -13% vs EcoFlow RIVER 2 |
Who should not buy the Jackery Explorer 300?
Skip the Jackery Explorer 300 if any of these describe you; each comes from its published specs.
- You need solar charging. Jackery doesn't publish a solar input limit for the Jackery Explorer 300, so we can't confirm how fast panels refill it.
- You need a UPS. No switchover time is published for the Jackery Explorer 300, so treat it as battery backup that may let a desktop restart.
- You may want more battery later. The Jackery Explorer 300 isn't listed as expandable. The EcoFlow RIVER 3 Plus (286 Wh) accepts extra batteries.
- You want to run a kettle, microwave or space heater. Its 300 W inverter is below the 1,000 W or more our cited figures give for each of them. The BLUETTI Pioneer Na delivers 1,500 W.
How long does the Jackery Explorer 300 last at different loads?
About 250 Wh reaches the AC outlets, so a steady 100 W load runs for about 2.5 h and a load at its full 300 W rating for about 50 minutes.
| Steady AC load | Runtime from full |
|---|---|
| 25 W | 10.0 h |
| 50 W | 5.0 h |
| 100 W | 2.5 h |
| 200 W | 1.2 h |
| 300 W | 50 min |
What does the Jackery Explorer 300 cost per kWh over its rated life?
About $1.23 per kWh of storage at list price, if you use all 800 rated cycles. The median for under 500 Wh models is $0.31 per kWh, so the Jackery Explorer 300 is more expensive over its rated life.
Rated life energy = 294 Wh × 800 cycles ≈ 235 kWh. List price $289 ÷ 235 kWh ≈ $1.23.
What can the Jackery Explorer 300 run at the same time?
The Jackery Explorer 300 can carry 2 of the 10 common pairs we check at once, with the runtimes below. It can't carry refrigerator + wi-Fi router / modem, refrigerator + chest freezer, refrigerator + microwave oven, refrigerator + electric kettle, window air conditioner + refrigerator, sump pump + refrigerator, space heater + wi-Fi router / modem and microwave oven + electric kettle: together they pass its running or start-up limit.
| Together | Runtime from full |
|---|---|
| CPAP with heated humidifier + wi-Fi router / modem | 3.3 h |
| TV + wi-Fi router / modem | 1.8 h |
Which Jackery Explorer 300 specs are unpublished or conditional?
Jackery doesn't publish these specs for the Jackery Explorer 300: solar input and UPS switchover.
5 published figures come with conditions, shown under the spec table: AC charge time, AC charging, capacity, rated cycles and solar input.
How does the Jackery Explorer 300 compare with similar power stations?
By capacity, the nearest models from other brands are Goal Zero Yeti 300, Anker SOLIX C300 and BLUETTI Elite 30 V2.
How is the Jackery Explorer 300 different from the Jackery Explorer 240 v2?
The Jackery Explorer 240 v2 is the closest Jackery model. Pick the Jackery Explorer 300 if you want capacity and less weight; otherwise the Jackery Explorer 240 v2 gives you the opposite trade-off.
| Jackery Explorer 300 | Jackery Explorer 240 v2 | |
|---|---|---|
| Capacity | 293.8 Wh | 256 Wh |
| Surge | 500 W | 600 W |
| Weight | 7.1 lb | 7.9 lb |
| Solar input | Not published | 100 W |
| Rated cycles | 800 | 4,000 |
| UPS switchover | Not published | 20 ms |
| List price | $289 | $249 |
Which models from other brands are closest in size?
How this page was made. Specs come from each manufacturer's official US spec page or manual, checked on the date shown; specs a manufacturer doesn't publish are marked "Not published". Runtimes are calculated (capacity × 85% inverter efficiency ÷ appliance draw), not measured. We haven't hands-on tested these units. Method and sources · Affiliate disclosure