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Efest Slim K1 Battery Charger

$ 999
SKU: SLIMK1

  • 🔋 Single slot, 1A charging power
  • 🔌 Micro USB input
  • 🔆 LED charging indicator
  • 🛡️ Overcharge & short circuit protection
  • 🎹 Quality piano string design
  • 🌡️ Operates 0C ~ 40C

Sold by Efest

Charge up with confidence and convenience!

Product Information

The Efest Slim K1 Charger is a high quality with a cost-efficient and portable design. The Efest Slim K1 Charger is a single slot charger with Micro USB input and charges at 1A. The LED indicates when your battery is charging and when the battery is fully charged.

The Efest Slim K1 Charger features reverse polarity, short circuit, overcharge protection and many more safety features. The Efest Slim K1 Charger can charge different types of 3.6V/3.7V lithium batteries commonly used in electronic cigarettes, flashlights, electric tools, and more.

Features and Specs:

  • Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 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

Specifications

Charging Slots Single
Charging Power 1A
Input Type Micro USB
Charging Indicator LED
Protection Features Overcharge & short circuit protection
Design Piano string design
Operating Temperature 0C ~ 40C
Compatibility Vape Batteries
Model Slim K1
Dimensions Compact
Material High-quality plastic
Safety Certification CE, RoHS

Charging Tips

To ensure optimal performance and safety while using the Efest Slim K1 Charger, follow these charging tips:
- Use a compatible 5V/1A Micro USB charger for the best results.
- Avoid charging batteries unattended or overnight to prevent overcharging.
- Always insert the batteries in the correct orientation to avoid reverse polarity issues.
- Keep the charger away from water or extreme temperatures to maintain its functionality.

Battery Compatibility

The Efest Slim K1 Charger is compatible with a wide range of lithium batteries used in various devices. Here are some of the compatible battery types:
- 10440
- 14500
- 18650
- 21700
- 26650
Ensure you are using the correct battery type for your device to prevent damage and ensure efficient charging. If you have any doubts about compatibility, refer to the user manual or contact our customer support for assistance.

Secure, Easy Payments

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

FAQ about Efest Slim K1 Battery Charger

What types of batteries can the Efest Slim K1 Charger charge?

The Efest Slim K1 Charger is compatible with 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 26650 types of 3.6V/3.7V lithium batteries. These are commonly used in electronic cigarettes, flashlights, electric tools, and more.

How can I know when my battery is fully charged?

The Efest Slim K1 Charger has a LED indicator that turns on when your battery is charging and turns off when the battery is fully charged.

What safety features does the Efest Slim K1 Charger have?

The Efest Slim K1 Charger has several safety features including reverse polarity, short circuit, and overcharge protection.

What is the input and output power of the Efest Slim K1 Charger?

The AC input power is AC 100~240V 50/60Hz, the DC output power is DC 5V 1A, and the DC input power is also DC 5V 1A.

What is the operation and storage temperature for the Efest Slim K1 Charger?

The operation temperature for the Efest Slim K1 Charger is 0C ~ 40C, and the storage temperature is -40C ~ 70C.

What is the design of the Efest Slim K1 Charger?

The Efest Slim K1 Charger has a portable design with quality piano strings, making it easy to carry and durable.

Returns and Refunds

How do I return a product?

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

How long will it take to receive my refund?

Refunds are processed within 7 days from when we receive the item(s).

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Efest Slim K1 Battery Charger front view with a single slot for charging vape batteries
Efest

Efest Slim K1 Battery Charger

$ 999

Product Information

The Efest Slim K1 Charger is a high quality with a cost-efficient and portable design. The Efest Slim K1 Charger is a single slot charger with Micro USB input and charges at 1A. The LED indicates when your battery is charging and when the battery is fully charged.

The Efest Slim K1 Charger features reverse polarity, short circuit, overcharge protection and many more safety features. The Efest Slim K1 Charger can charge different types of 3.6V/3.7V lithium batteries commonly used in electronic cigarettes, flashlights, electric tools, and more.

Features and Specs:

  • Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 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
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