Quick Summary
The REACELL 18650 Battery Charger is a dual-slot charger for 3.6V/3.7V Li-ion rechargeable batteries. It supports a wide range of battery sizes, including 18650, 18500, 18490, 18350, 17670, 17500, 16340 (RCR123), 14500, 26650 and 22650, and it comes with a USB cable.
It uses intelligent pulse charging control with trickle, constant current and constant voltage charging modes. The charger also has LED progress indicators for each slot.
Who It Is Best For
This charger is for buyers who need to charge compatible 3.6V or 3.7V Li-ion rechargeable batteries in one place. The dual charging slots make it relevant if you are charging more than one battery and want to keep an eye on progress through the slot indicators.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | REACELL. |
| Product type | Battery charger for rechargeable Li-ion batteries. |
| Charging slots | Two slots for charging two batteries at once. |
| Supported battery types | 3.6V/3.7V Li-ion rechargeable batteries, including 10440, 14500, 14650, 16340, 17500, 17670, 18350, 18500, 18650, 20700, 21700, 22650, 25500, 26500 and 26650. |
| Charging control | Intelligent pulse charging with trickle, constant current and constant voltage modes. |
| Indicators | LED progress indicators for both charging slots. |
| Connection | USB interface with USB cable included. |
Why Buyers Choose It
- Dual slots let you charge two compatible batteries at the same time.
- The listed charging modes give clear charging stages, including trickle, constant current and constant voltage.
- USB connection means it can be connected to a USB adapter, power bank or notebook.
- Slot indicators show charging progress for each battery.
How It Works
- Connect the charger through the USB interface using the included USB cable.
- Insert compatible 3.6V or 3.7V Li-ion rechargeable batteries into the charging slots.
- Watch the LED indicators for charging progress.
- The blue light flashes to show 25%, 50% and 75% charging progress.
- When the 100% blue light flashes, the battery is fully charged.
What To Know Before You Buy
Check that your batteries are within the supported Li-ion sizes before ordering, especially if you are matching a specific cell type. The charger is for 3.6V/3.7V rechargeable batteries, so confirm that your batteries match that requirement. If you want to charge two cells at once, the dual-slot design is the key feature to look for.
Pros: Dual slots and USB connection make it straightforward to charge compatible batteries from a range of USB power sources.
Cons: It is intended for the listed 3.6V/3.7V Li-ion battery sizes only.
Common Buyer Questions
Which batteries does it support?
It supports a wide range of 3.6V/3.7V Li-ion rechargeable batteries, including 18650, 14500, 16340, 26650 and several other listed sizes.
How do I know when charging is complete?
The blue LED indicator flashes to show progress, and the 100% blue light flashes when charging is complete.
Can it charge two batteries at the same time?
Yes, it has two charging slots for charging two batteries at once.
What power connection does it use?
It uses a USB interface and comes with a USB cable.
Final Buying View
If you need a dual-slot charger for compatible 3.6V/3.7V Li-ion rechargeable batteries, this REACELL model gives you clear charging indicators and USB-powered connection. Check your battery size and chemistry before ordering.
