When I travel or go camping, I always bring my CPAP machine with me. That’s why I’ve been searching for a reliable way to power it during outdoor trips or in emergency situations. While I have some smaller lithium-ion power banks that are great for go-bags, they simply don’t have the capacity to run medical devices like a CPAP for long periods. Enter the Jackery Explorer 240 — at 240Wh, it’s just the right size for my needs.
We previously reviewed smaller Jackery models in the 10-20Ah range (at 5V), and both performed well, though they weren’t our top choices. The Explorer 240 is significantly larger than those units. It’s still portable enough to carry by hand, but you won’t be stuffing it into a backpack anytime soon. We’d call it semi-portable — a good middle ground between small power banks and full-sized generators.
**Why get the Jackery Explorer?**
Power stations like the Explorer 240 (around 6.6 pounds) make excellent prep tools. They’re small enough to recharge with portable solar panels but big enough to power small appliances or medical devices that require a standard AC outlet — like a 60W mini-fridge for 4–5 hours. They’re also ideal for topping off smaller, more compact power banks when you're out in the field.
**Specs:**
- Capacity: 240Wh (67Ah at 14.4V)
- Weight: 6.6 lbs
- Price: $250
- Power Ports: 2x USB (5V, 2.4A), 12V car outlet, AC outlet (110V, 200W)
- Charging Ports: Proprietary input with adapters for AC wall outlet and 12V car outlet. Also compatible with Jackery’s solar panel.
*Note: Jackery provided the Explorer 240 for review. As always, our reviews remain unbiased and independent.*
**Features and Functionality**
The Explorer 240 is a no-frills, straightforward power station. It’s basically a cluster of 18650 batteries connected to basic output ports and charging circuitry. Since it’s designed for semi-portable use, there are no extra "outdoor" features like built-in lights or ruggedized casings. This simplicity makes it more reliable and efficient.
**LED Screen**
The unit has a clear LED screen on the front that shows the current charge level and which inputs or outputs are active. In one test, I used a load tester and a USB multimeter to check the output. The setup showed a 5V/2.4A draw, and the LED displayed around 13W — which matches up nicely. This wattage display is a helpful feature for managing your power usage effectively.
One of the reasons the Explorer 240 is a bit bulkier is its 120V AC outlet. Converting DC to AC requires additional circuitry, which adds to the size of the unit.
**Buttons, Handle, and Shell**
The Explorer includes small buttons to toggle the different output ports on and off. I tested them, and they worked as expected. This is a useful feature if you want to control what you're powering without unplugging devices.
The plastic shell is sturdy, but not overly rugged. It can handle general outdoor use, but I wouldn't drop it from high places. At the top, there's a long handle for easy carrying, and four rubber feet on the bottom to prevent sliding on smooth surfaces.
The package includes a small zipper bag with a 12V car charger cable and an AC cable.
**Abusing the Jackery Explorer 240**
I didn’t have the tools to do a full load test on the AC ports, so this review isn’t as technical as our previous ones. However, it does include a real-world stress test.
After receiving the unit in late November 2019, I charged it fully and placed it in a poorly sealed toolbox in the back of my truck. I forgot about it for six months — through freezing temperatures in Colorado and sweltering heat in Texas. When I finally remembered, I was worried it might be damaged.
**Results of the 'Torture Test'**
To my surprise, the Explorer still had a full charge when I turned it on. I used it to power my CPAP for 8 hours straight, including the humidifier, and it dropped to 33% — still functional. All ports worked perfectly, and aside from some scuff marks from being knocked around, the unit looked almost new.
**Conclusions**
The Jackery Explorer 240 is a solid, affordable power station. After putting it through an accidental real-world test, I have a lot of confidence in its durability and performance. I’d definitely include it in a car-based bug-out bag and recommend it as a reliable semi-portable power solution in this size range.
**Product Details**
- **Model:** Jackery Explorer 240
- **Capacity:** 240Wh
- **Weight:** 6.6 lbs
- **Price:** $250
**Where to Buy:**
- [Buy from Amazon](#)
- [Buy direct from Jackery](#)
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