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Note: the Jackery Explorer 300 Plus, previously covered on this page, has been discontinued by Jackery. The current product occupying this spot in Jackery’s lineup is simply the Explorer 300 (293Wh). This review covers what’s actually available to buy today.
Full Specifications
| Spec | Jackery Explorer 300 |
|---|---|
| Capacity | 293Wh |
| Battery chemistry | Varies by listing — see note below |
| AC output | 300W continuous |
| Surge output | 500W |
| AC charge time | ~2-3 hours |
| USB-C output | 60W |
| Weight | 7.1 lbs |
| Output ports | 2× AC, 1× USB-C, 1× USB-A, 1× QC3.0, 1× car port |
| App control | No |
An Important Battery Chemistry Note
Before buying, check the specific listing you’re looking at carefully. Current Amazon listings for the Explorer 300 aren’t fully consistent — some describe lithium-ion battery chemistry, others describe LiFePO4 at the same stated 293Wh capacity. This matters significantly for long-term ownership: LiFePO4 typically delivers 3,000+ charge cycles before meaningful degradation, while standard lithium-ion is usually rated for a few hundred to around 800 cycles. If long-term cycle life matters to you and the listing you’re viewing doesn’t clearly state LiFePO4, it’s worth confirming directly with the seller or checking the product’s detailed specification sheet before purchasing.
What the Explorer 300 Actually Handles
At 293Wh with 300W continuous output, this is a device-charging and light-appliance unit — not a fridge or multi-night CPAP solution on its own.
| Device | Draw | Approximate Runtime |
|---|---|---|
| Phone charging | 10-20W | ~15-20 full charges |
| Laptop | 60W | ~4 hours |
| LED camp light | 5-10W | 25+ hours |
| 12V mini fridge | 40-50W | ~5 hours |
| CPAP (no humidifier) | 30-60W | ~1 night |
| Small LED TV (32″) | 40W | ~5-6 hours |
What it won’t run: hair dryers, electric kettles, space heaters, or anything else pulling above 300W continuously — the unit’s overload protection will shut it down. For those loads, step up to the Explorer 500 or higher.
Who Should Buy the Explorer 300
Best for:
- Hikers and day-trippers who prioritize a compact, lightweight unit at 7.1 lbs
- Weekend campers charging phones, running LED lights, and occasionally topping up a laptop
- Buyers on the tightest budget within the Jackery lineup
Consider the Explorer 500 instead if:
- You need to run a fridge or CPAP for more than a single night
- Fast charging matters — the 500 charges to 80% in 52 minutes versus the 300’s roughly 2-3 hours
- You want confirmed LiFePO4 chemistry with no ambiguity across listings
Frequently Asked Questions
What happened to the Jackery Explorer 300 Plus?
It’s been discontinued by Jackery, along with a brief “Explorer 300 v2” that succeeded it. The current standard offering in this capacity tier is simply the Explorer 300. Any “300 Plus” listing you find is remaining or secondhand stock, not an actively produced current product.
Does the Jackery Explorer 300 use a LiFePO4 battery?
It depends on the specific listing — current Amazon listings aren’t fully consistent, with some stating lithium-ion chemistry and others stating LiFePO4 at the same capacity. Check the specific product description before buying, since this affects long-term cycle life meaningfully.
Can the Explorer 300 run a refrigerator?
A small 12V mini-fridge (40-50W) runs for roughly 5 hours on a full charge. A standard household refrigerator draws considerably more and isn’t a realistic fit for this capacity — see our solar generator for refrigerator guide for properly sized options.
How much does the Explorer 300 weigh?
7.1 lbs — the lightest option in Jackery’s current lineup, genuinely easy to carry for hiking or any situation where you’re not just loading it into a vehicle.
Is the Explorer 300 a good CPAP backup?
It covers roughly one night without a heated humidifier. For multi-night CPAP coverage, see our solar generator for CPAP guide for better-sized options.
The Bottom Line
With the 300 Plus discontinued, the current Explorer 300 is the practical entry point into Jackery’s lineup — light, affordable, and sufficient for basic device charging and short trips. Confirm the battery chemistry on your specific listing before buying, and step up to the Explorer 500 if a fridge or CPAP is part of your plan.
Check the Jackery Explorer 300 on Amazon →
For a step up in capacity, see our Jackery 500 review, and for the full lineup, our best Jackery solar generator guide.