The Efest Slim K1 Charger is designed for charging a single rechargeable battery, featuring a compact and lightweight design for portable use. It utilises a Micro USB input and charges at a 1A current. An LED indicator displays the charging status, turning off when the battery is fully charged. Safety features include reverse polarity protection, short circuit protection, and overcharge protection. Compatible with 3.6V/3.7V lithium batteries used in various devices, including vape mods and flashlights. Misusing lithium-ion batteries can pose risks, and they should be used within a protected battery pack.

• Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
• Single Slot 5V/1A Micro USB Charger
• AC Input Power: AC 100~240V 50/60Hz
• DC Output Power: DC 5V 1A
• 1A CC Current: 1000mA (+/-10%)
• Auto Cut-Off Voltage: 4.20 (+/-0.05V)
• CV Cut-Off Current: <100mA
• Standby Current: <20mA
• Activation Current: 50mA~100mA
• Auto Recharge Voltage: 4.10 (+/-0.10V)
• Operation Temperature: 0C ~ 40C
• Storage Temperature: -40C ~ 70C

• Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
• Portable Design with Quality Piano Strings
• Battery Life LED Indicator Light
• Single Slot 5V/1A Micro USB Charger
• AC Input Power: AC 100~240V 50/60Hz
• DC Output Power: DC 5V 1A
• DC Input Power: DC 5V 1A
• 1A CC Current: 1000mA (+/-10%)
• Auto Cut-Off Voltage: 4.20 (+/-0.05V)
• CV Cut-Off Current: <100mA
• Standby Current: <20mA
• Activation Current: 50mA~100mA
• Auto Recharge Voltage: 4.10 (+/-0.10V)
• Operation Temperature: 0C ~ 40C
• Storage Temperature: -40C ~ 70C

1 x Efest Slim K1 Charger
1 x Micro USB Cable