Amazon Basics AA AAA Battery Charger with USB Port
- Output Voltage: 1.2 volts
- Battery Charge Time: 4 hours
- Amperage: 0.5 amps
- Current Rating: 0.5 A
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A practical, well-reviewed charger for the price, with the main caveat that its USB output is slow and wrong-polarity protection is the safety feature doing the real work.
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ASIN: B00TOVTZ7KModel: V-3299USBCategory: Battery Chargers
Overview
A wall-plug charger for AA and AAA Ni-MH rechargeable batteries that also doubles as a USB charging port for a phone or other small device. It charges 2 or 4 batteries per cycle in about 4 hours.
The flip-down plug and 100-240V switching power make this a reasonable travel charger as well as a home one, since it works on wall outlets outside the US without a separate adapter. The USB port is limited to 500 mA output, which is enough for older phones but slow by modern fast-charging standards.
- 4-hour charge cycle for AA/AAA Ni-MH batteries
- USB port for charging phones or small devices
- Flip-down plug rated for 100-240V worldwide use
- Compact, 4.5 x 2.75 x 1.5 inches
Who it's for
Travelers and households wanting one compact charger that handles rechargeable AA/AAA batteries and can also trickle-charge a phone in a pinch. Not for anyone who wants fast USB charging speeds for a modern phone.
Pros and cons
- Charges AA or AAA batteries in about 4 hours
- USB port for charging a phone or small device on the go
- Flip-down plug works on 100-240V outlets worldwide
- Wrong-polarity and overcharge protection
- USB output capped at 500 mA, slow for modern phones
- Batteries must be charged in pairs, not individually
Performance notes
A full cycle runs about 4 hours for 2 or 4 AA or AAA batteries loaded in pairs. Wrong-polarity protection and a cut-off function guard against overcharging, and the flip-down plug with worldwide voltage support (100 to 240V) makes it usable in other countries without a separate converter.
Specifications
| Brand | Amazon Basics |
|---|---|
| Model | V-3299USB |
| Dimensions & fit | |
| Item Weight | 0.23 pounds |
| Item Dimensions D X W X H | 4.5 × 2.7 × 1.5 inches |
| Capacity & performance | |
| Output Voltage | 1.2 volts |
| Power & efficiency | |
| Battery Charge Time | 4 hours |
| Amperage | 0.5 amps |
| Input Voltage | 120 volts |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Compatible Devices | Ipod |
| Included components | |
| Unit Count | 1 |
| Other details | |
| Current Rating | 0.5 A |
| Number Of Items | 1 |
| Connector Type Used On Cable | USB |
| Mfr Part Number | V-3299USB |
Frequently asked questions
Does the Amazon Basics V-3299USB charger work outside the US?
Yes, its flip-down plug and switching power support 100 to 240V outlets, so it works internationally.
Can I charge my phone from this charger?
Yes, it has a USB port for charging a phone or similar device, though output is capped at 500 mA, which charges slowly.
How many batteries can it charge at once?
It charges 2 or 4 AA or AAA Ni-MH batteries per cycle, always in pairs.