2-Pack AAA to 18650 Battery Holder Converter for Flashlights
2-Pack AAA to 18650 Battery Holder Converter for Flashlights
2-Pack AAA to 18650 Battery Holder Converter — Power Your Flashlight Anywhere
Keep your flashlights and torches running without the need for hard-to-find 18650 batteries. This clever 2-pack of plastic battery holder converters lets you use 3 standard AAA batteries in devices designed for a single 18650 cell — a practical, budget-friendly solution for everyday use at home, camping, or during emergencies.
Made in Mainland China.
Key Features
- Universal AAA-to-18650 Conversion: Holds 3 standard AAA batteries to replicate the size and output of an 18650 cell.
- Spring-Loaded Positive Contact: The metal spring column on the positive end adjusts to make reliable contact with most compatible devices.
- Compact & Lightweight: Measures approx. 65mm in length × 21mm in diameter and weighs just 7g each — barely noticeable in your torch.
- Durable Construction: Made from sturdy plastic with metal contacts for long-lasting performance.
- Value 2-Pack: Get two holders so you always have a spare on hand.
Specifications
- Compatible Batteries: 3 × AAA (not included)
- Length: Approx. 65mm
- Diameter: Approx. 21mm
- Net Weight: 7g each
- Material: Plastic & Metal
Package Includes
- 2 × Battery Holder for 3× AAA Batteries
⚠️ Important Note: This converter is designed specifically for AAA batteries and may require a battery sleeve adapter (not included) for a snug fit. If your flashlight's battery tube inner diameter is smaller than 22mm, this converter will not fit. Please verify your device's tube diameter before purchasing. Not compatible with all flashlight models.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Can I use this AAA battery holder converter in any 18650 flashlight?
A: This battery holder converter is compatible with many standard 18650 flashlights, but not all. The key requirement is that your flashlight's battery tube has an inner diameter of at least 22mm. If the tube is narrower, the converter will not fit. Always check your device's specifications before purchasing.
Q: Do the AAA batteries or a battery sleeve adapter come included?
A: No — AAA batteries and any battery sleeve adapter are not included. The package contains 2 × AAA-to-18650 battery holder converters only. You will need to supply your own AAA batteries and, if required by your device, a sleeve adapter for a secure fit.
Q: How many AAA batteries does each holder take?
A: Each holder accommodates 3 standard AAA batteries, arranged to match the approximate size and voltage of a single 18650 battery cell for compatible devices.
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.