





Folomov Key Charger for 3.6V and 3.7V Li-ion Batteries
- Charger Channels: 1
- Compatible Battery Sizes: 18650, 20700, 21700
- Supported Chemistries: Li-Ion
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Description
Folomov Key Charger
Magnetic, Portable Li-ion Battery Charger
The Folomov Key Charger is one of the most convenient ways to charge your most utilized Li-ion batteries on the go! This portable smart charger is small enough to fit on your key chain and holds all the features of bulkier charging systems. Equipped with strong magnetic charging terminals and a standard USB charging port, you can charge your batteries where ever you need to! In case you need emergency back up power, you can install a Li-ion battery on the Key Charger and use the discharge current as a power bank! The green LED display shows you real-time charging status in 25% increments for your convenience. If you are using Li-ion batteries on a daily basis, this new charger is for you!
Features:
- Incredibly lightweight and portable
- Magnetic charging technology
- Charging and discharging capabilities
- Universal USB charging port for your convenience
- Max charging/discharging current of 2A
- Power bank function when discharging battery
- Green LED display for charging status indicators
- Smart microchip
- Rapid charging
- Automatically activates dead (0V) batteries
- Several internal protections
Technical Specifications:
Compatible Batteries:
Dimensions:
- Length: 2.60" (66mm)
- Width: 1.46" (37mm)
- Depth: 0.67" (17mm)
- Weight: 1.09oz. (31g)
- Total Package Weight: 2.40oz. (68g)
Note: This charger is designed to only be used with Li-ion batteries.
Item Details
| Brand | Folomov |
| SKU | FOLOMOV-KEY-CHARGER |
| Manufacturer Part Number | KEY-CHARGER |
| UPC | 8011475769080 |
| Charger Channels | 1 |
| Compatible Battery Sizes | 18650, 20700, 21700 |
| Supported Chemistries | Li-Ion |
Specifications
| Charge Rate | 1000 |
| Charger Channels | 1 |
| Compatible Battery Sizes | 18650, 20700, 21700 |
Unit Dimensions
| Length | 2.6 in (66 mm) |
| Width | 1.46 in (37 mm) |
| Height | 0.67 in (17 mm) |
| Weight | 1.09 oz (31 g) |
Packaging/Shipping Dimensions
| Length | 4.01 in |
| Width | 2.45 in |
| Height | 1.2 in |
| Shipping Weight | 0.16 lb |
Additional Details
| Packaging | Boxed |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime



