USB AA/AAA 2-Slot Smart Battery Charger 5V 1A
USB AA/AAA 2-Slot Smart Battery Charger – Compact & Reliable
Keep your AA and AAA rechargeable batteries topped up and ready to go with this compact 5V 1A USB Battery Charger. Designed with intelligent charging technology, it automatically switches to trickle charging once your batteries are full — protecting battery health and extending overall battery life. Its ABS construction is rustproof, anti-oxidation, and heat resistant for safe, dependable everyday use.
Key Features
- Universal AA & AAA Compatibility — works with all standard AA and AAA rechargeable batteries
- 2 Independent Charging Channels — charge two batteries simultaneously, or just one at a time
- Smart Auto Trickle Mode — automatically reduces to trickle output when fully charged to protect battery longevity
- USB-Powered Input — plug into any USB power source: power bank, laptop, PC, or phone charger adapter
- Rustproof & Heat Resistant ABS Body — built for durability and safe continuous use
- Constant Red Indicator Light — easy visual confirmation that charging is in progress
- Ultra-Compact Size — just 10 × 3.5 × 2 cm (approx. 3.94" × 1.38" × 0.79"), ideal for home, office, or travel
- Fast Charge Time — typical charge cycle of just 2–3 hours
Specifications
| Material | ABS Plastic |
| Input | 5V – 1A (USB) |
| Output | 1.2V – 250mA per channel |
| Rated Power | 8–13W |
| Indicator | Constant Red Light |
| Charging Duration | 2–3 Hours |
| Channels | 2 (independent, single battery charging supported) |
| Compatible Battery Types | AA / AAA (batteries not included) |
| Interface | USB |
| Dimensions (L×W×H) | 10 × 3.5 × 2 cm / 3.94" × 1.38" × 0.79" (approx.) |
Compatible Power Sources
This charger draws power via a standard USB port, making it incredibly versatile. Use it with mobile power banks, desktop computers, laptop USB ports, or standard USB wall adapters — perfect for home and travel use.
Made in Mainland China.
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Note: Slight color variations may occur due to monitor settings. Minor dimensional differences may occur due to manual measurement. Batteries are NOT included.
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What battery types are compatible with this USB AA/AAA 2-slot battery charger?
A: This charger is compatible with standard AA and AAA rechargeable batteries. It features two independent channels, so you can charge one or two batteries at the same time. Please note that batteries are not included with the charger.
Q: What USB power source can I use with this battery charger?
A: This charger accepts a standard 5V 1A USB input, which means it is compatible with a wide range of USB power sources including power banks, laptop USB ports, desktop computers, and standard USB wall adapters. It does not require a dedicated power supply unit.
Q: How does the smart charging feature protect my batteries?
A: Once your batteries reach full charge, the charger automatically switches to trickle charging mode. This reduces the current flowing to the batteries, preventing overcharging and helping to extend the overall lifespan and performance of your AA or AAA rechargeable batteries.
Q: How long does it take to fully charge AA or AAA batteries with this charger?
A: Under normal operating conditions, the typical charging duration is approximately 2 to 3 hours. The constant red indicator light will remain on during the charging cycle, giving you a clear visual status at a glance.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.