Folomov A1 Charger

20,00 €

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Folomov A1 – Compact Magnetic Charger for Lithium-Ion Batteries

The Folomov A1 is an extremely lightweight magnetic charger weighing just 20.8 grams. It is designed to charge lithium-ion batteries of various sizes. In addition to charging, the device allows any connected battery to be used as a power bank to power other devices via a USB output.

Protections and Indicators

The charger has several important safety features:

Overcharge Protection
Protection against excessive discharge
Reverse-polarity protection—if the polarities (+/-) are reversed, charging will not begin

The device's indicator shows the current status. A green light means the battery is charging. A blue light means the battery is not discharging.

Technical Specifications and Compatibility

The Folomov A1 charges batteries at a current of up to 1A and features a function for reviving completely dead batteries. It is suitable for batteries used in e-cigarettes, flashlights, electronic measuring devices, and many other devices.

Supported battery sizes:

18650, 21700, 20700, 26650
14500, 16340, 18350, 10440, 18500
and many other lithium-ion formats

Specifications	Value
Brand	Folomov
Model	A1
Category	Rechargeable Battery Charger
Weight	20.8 g
Maximum charging current	1A
Battery Type	Lithium-ion (Li-Ion)
Supported sizes	18,650, 21,700, 20,700, 26,650, 14,500, 16,340, 18,350, 10,440, 18,500, etc.
USB output	Yes—it allows you to use the battery as a power bank
Protection Against Reversed Polarity	Yes
Overcharge Protection	Yes
Protection against excessive discharge	Yes
Function for Reactivating Dead Batteries	Yes
Indicator	Green (with dilution) / Blue (without dilution)

Frequently Asked Questions

What battery sizes does the Folomov A1 support?

The Folomov A1 supports a wide range of lithium-ion batteries. Compatible formats include 18650, 21700, 20700, 26650, 14500, 16340, 18350, 10440, and 18500. The device is designed to work with batteries of almost any size in this category.

Can the Folomov A1 be used as a power bank?

Yes. Any lithium-ion battery connected to the Folomov A1 can be used as an external battery. The device has a USB port that allows you to charge phones and other electronic devices directly from the connected battery.

What happens if I install the battery with the terminals reversed?

The Folomov A1 features built-in protection against incorrect battery installation. If the positive and negative terminals are reversed, the device will not begin charging. This protects both the battery and the charger itself from damage.

What do the different indicator colors mean?

The Folomov A1 charger has a two-color indicator. A green light indicates that the device is actively charging the inserted battery. A blue light indicates that the battery is not discharging—that is, the device is in maintenance or standby mode.

What is the maximum charging current of the Folomov A1?

The Folomov A1 charges lithium-ion batteries at a maximum current of 1A. This is an appropriate current for safely and efficiently charging standard lithium-ion batteries without the risk of overheating or damage.

Can the Folomov A1 fully charge a completely dead battery?

Yes. The device has a special feature for recharging completely discharged batteries. This is especially useful for batteries that have been discharged to the point where standard chargers cannot recognize them or begin charging them.

What devices is the Folomov A1 charger suitable for?

The Folomov A1 is suitable for charging batteries used in e-cigarettes, flashlights, electronic measuring devices, and many other devices that run on lithium-ion batteries. Thanks to its light weight of 20.8 grams and compact design, it’s convenient to carry anywhere. You can find this device at a competitive price on Dulotec.COM.