3 AA Battery Holder, 4.5-5V USB Battery Pack for Lights, AA Battery Case Box Holder with On/Off Switch - 2 Pack (Black)
Quick take
This AA-to-USB battery holder turns 3x1.5V AA batteries into a 4.5V USB power output for small LED decorative lights and similar USB plug devices. It comes with an on/off switch and hook-and-loop tape for quick mounting and battery access. The key caveat is fit, it only supports 3 AA batteries and it is intended for low-voltage USB-style light use, not general-purpose charging.
Pros and cons
Pros
- Designed specifically for 3x 1.5V AA batteries, with a 4.5V output for USB plug light setups.
- On/off switch helps you control power without unplugging.
- Includes hook-and-loop tape for simple attachment and battery replacement.
- Sold as a 2-pack, handy for powering multiple light runs.
Cons
- Not a universal battery case, it will not work with other AA counts or battery types.
- USB power output is intended for lights and small low-voltage uses, so it may not suit other USB devices.
- Batteries are not included, so you’ll need AA cells separately.
What buyers think
Buyer-review evidence is focused on practical day-to-day use rather than long technical testing. The recurring themes are that the holder is easy to connect, works as expected for powering small LED light fixtures and decorative lighting, and is convenient for projects where you want to keep a USB-powered light setup on a shelf or in place. Reviews also mention the packaging being neat and the overall value feeling reasonable for a small power accessory. Overall, the feedback suggests good usability for the intended purpose, with limited detailed reporting on runtime performance.
What this battery holder does (and doesn’t)
This holder is built to provide USB-style power from standard AA batteries. You load three 1.5V AA cells into the case, then plug the USB end into compatible devices such as 5V LED decorative lights (for examples, string lights, curtain lights, and similar setups).
Because it’s designed around a specific battery arrangement and output voltage, it’s not the right choice for powering every USB device. If your device requires a different voltage, draws more power than LED light strings typically do, or needs a different power spec than a 4.5V output, you should look for a different power solution.
Key specs that matter for buying
Battery compatibility
- Only suitable for installing 3 pcs of 1.5V AA batteries.
Power output
- USB battery pack output voltage is listed as 4.5V (based on 3x1.5V AA).
Size and mounting
- Compact case dimensions: about 2.95 x 2.45 x 0.67 inches (L x W x H).
- Includes hook-and-loop tape to attach to surfaces and remove the holder when it’s time to swap batteries.
Switch control
- An on/off switch is built into the holder for quick control.
Who it’s best for
- Holiday and decorative light setups where you want battery-powered convenience.
- Small LED projects (including hobby builds) that accept a USB-style plug and can run from low-voltage battery output.
- Anyone who wants easy access to batteries, since the holder is designed to be mounted with removable tape.
- Buyers needing two units (a 2-pack is included) for separate light runs or backup.
Who should avoid it
- If you need a battery pack for more than three AA batteries, this case won’t fit the requirement.
- If your target device needs precise 5V USB power regulation or has a different voltage requirement, this may not be the right match.
- If you’re looking to power higher-draw electronics, consider a purpose-built power adapter or a different battery system designed for that load.
Pros and cons, summarized
Pros: straightforward 3xAA design, USB-style output for compatible LED lights, built-in on/off switching, and mount-friendly hook-and-loop tape, plus a practical 2-pack quantity.
Cons: limited compatibility (3xAA only), output is intended for LED-style USB uses, and you’ll need to supply your own AA batteries.
Price and availability
Availability is listed as in stock, and pricing can change over time. If you want the most current cost, check the listing for the latest price and shipping details.
FAQ
Is this battery holder compatible with any USB device?
It’s intended for USB plug devices that work with low-voltage battery power in the 4.5V range. It’s best for LED decorative lighting and similar low-power USB-style uses, not for devices with different voltage or higher power requirements.
How many AA batteries does it take?
It’s designed to use three 1.5V AA batteries.
Does it include the batteries?
No, the package includes the battery holders and hook-and-loop tape, but batteries are not included.
Does it have an on/off switch?
Yes. The holder includes an on/off switch so you can control power without unplugging the cable.
How do you mount it to a surface?
It includes hook-and-loop tape, so you can attach the battery case to a surface and remove it later to replace batteries.
What voltage does the USB output provide?
The output is listed as 4.5V, based on the 3x1.5V AA battery setup.
Specifications
| Product Title | 3 AA Battery Holder, 4.5-5V USB Battery Pack for Lights, AA Battery Case Box Holder with On/Off Switch - 2 Pack (Black) |
|---|---|
| Category | Electronics > Household Batteries, Chargers & Accessories > Battery Holders |
| Brand | Goweewon |
| Manufacturer | GOWEEWON |
| Model Name | AA Battery Holder USB |
| Model Number | GW-3AA-USB |
| Item Weight | 2 Ounces |
| Warranty Description | 1 |
| Battery Capacity | 1500 Milliampere Hour (mAh) |
| Voltage | 4.5 Volts |
| Reusability | Single Use |
| Unit Count | 2.0 Count |
| Item Dimensions | 2.95 x 2.45 x 0.67 inches |
| Antenna Location | USB Battery Pack for Lights |
| Recommended Uses For Product | USB Battery Pack for Lights |
Available variants
Color
- White
- Black
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