Home Power Facts Jackery
Explorer 300
The Jackery Explorer 300 has 293 Wh rated capacity (about 247 Wh usable, measured) and a 300 W inverter. It can run 7 of the 16 120 V household loads we track.
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- Rated
- 293 Wh
- Usable (measured)
- 247 Wh
- AC output
- 300 W
- Surge
- 500 W
Specs
| Rated capacity | 293 Wh[source]Original Explorer 300 (293 Wh). Jackery also sells the separate Explorer 300 v2 (288 Wh) and Explorer 300D (288 Wh), and earlier sold the 300 Plus (288 Wh); those are different models with different specs. |
|---|---|
| Usable capacity (AC) | 247 Wh[source]OutdoorGearLab measured 247 Wh delivered (about 84% of the 293 Wh rating). |
| Battery chemistry | Lithium-ion[source]Official page says 'lithium-ion battery' without naming the cell chemistry (not LiFePO4). |
| AC continuous output | 300 W[source]'293Wh Capacity, 300W Inverter (500W Surge)'. |
| AC surge output | 500 W[source] |
| AC outlets | 2[source]'two pure sine wave AC outlets'. |
| UPS / EPS switchover | Not publishedOfficial page does not list a UPS function or switchover time. |
| Expandable | Not publishedOfficial page does not state expandability either way. |
| Max expanded capacity | Not publishedNo expansion capacity stated on the official page. |
| AC charging | 90 W[source]Charges from the wall via an included 90 W adapter (not a direct AC input). Official page: 2.5 h recharge when combining the 90 W wall charger with a 60 W USB-C PD charger. |
| Max solar input | Not publishedOfficial page gives only a solar charge time (SolarSaga 100: 0-80% in 3.5 h), not a maximum solar input wattage. |
| Cycle life | 800 cycles to 80% capacity[source] |
| Weight | Not publishedOfficial product page text does not state weight (specs shown as images without weight); retailer figures not used. |
| Warranty | 3 years[source]2-year warranty + 1-year extended warranty, applied automatically only when bought from jackery.com. |
| Idle draw | Not publishedno independent test found |
| List price | $289[source]$289.00 on jackery.com, no discount shown, seen 2026-10-18. A refurbished unit is listed separately. |
Verified 2026-10-18. Notes under a value explain conflicting sources.
What it can run
| Appliance | Runs it? | Runtime |
|---|---|---|
| Refrigerator | No | — |
| Chest freezer | No | — |
| CPAP (no humidifier) | Yes | 5.5 h |
| CPAP with heated humidifier | Yes | 2.7 h |
| Sump pump (1/3 hp) | No | — |
| Sump pump (1/2 hp) | No | — |
| Gas furnace blower (1/2 hp) | No | — |
| Window AC (5,000 BTU) | No | — |
| Microwave | No | — |
| Coffee maker | No | — |
| Laptop charger | Yes | 4.1 h |
| Phone charger | Yes | 12.4 h |
| Wi-Fi router / modem | Yes | 16.5 h |
| TV (LED, 32-55 inch) | Yes | 3.6 h |
| LED light bulb (each) | Yes | 27.4 h |
| Space heater | No | — |