Efest Slim K4 Battery Charger

Sale price£10.99 Regular price£18.99   Save 42%
or 12 interest-free payments of  £1.83  with payitmonthly What's This?

This product is no longer available for purchase as it has been discontinued.

  • Description
  • Reviews
  • Warranty
  • Delivery

Efest Slim K4 Battery Charger With 4 battery bays designed to fit a 18650, and USB-C charging capability and auto smart cut off, The Slim K4 is capable of charging at either 1A per channel with 2 batteries or 0.5A using 4 channels.

The smart indicator light lets you know when the cell is in charging status. The indicator turns a solid white colour to alert you the battery has finished the charging cycle. 

Specification:

  • Input: DC 5V 2A
  • ABS Fireproof Materials
  • Type-C USB line
  • 1A x 2 or 4 X 0.5A charging
  • Lithium cell from 10440 to 18650 21700 20700 26650
  • Operation temperature: -40°C – +70°C
  • LED indicator description
  • Auto-detect charging current: 2 X 1.0A/ 1 X 1 – 0A /4 X 0.5A/3X 0.5A
  • Safe charging mode: CC & CV
  • Safe and convenient USB charger (5V 2A)
  • Monitors and charges each slot independently
  • Low voltage smart activation recovery function
  • Incredibly lightweight and conveniently portable

Comes With:

  • 1x Efest Slim K4 Battery Charger
  • 1x Type C Cable
  • 1x User Guide

Warranty

Unlike many other vape stores, Vaping 101 fully complies with the Law and offer a full 1 year warranty as required by Law. Please see HERE for full clarification on UK Law on Consumer Goods.

  • All orders are sent in discreet packaging.
  • Delivery is free for all orders over £50. Otherwise, delivery is £3 to £12 depending on the service you plan to purchase.
  • You can return your product up to 14 days after receiving your order. Please make sure that the products are not used or damaged.

UK Shipping

Service Overview: Reliable tracked delivery service.

Delivery Time: 2 to 4 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday for orders placed before 2:30 PM (excluding Bank Holidays).
  • Deliveries are made weekdays and on Saturday.
  • NOT GUARANTEED SERVICE

Cost: £3.00 (Free over £50)

Service Overview: Fast, door-to-door courier service.

Delivery Time: Next day for most UK postcodes. View postcode exclusions

Key Features:

  • Full end-to-end tracking with live updates.
  • Same-day dispatch Monday to Friday for orders placed before 1:00 PM (excluding Bank Holidays).
  • Deliveries made on weekdays (some areas deliver Saturday).
  • Signature required on delivery.
  • Battery Restrictions: None: DPD imposes no additional restrictions on batteries.
  • NOT GUARANTEED SERVICE

Cost: £3.50 (Free over £50)

Service Overview: Parcels are delivered to a nearby DPD Pickup Point or Drop-Point for customer collection.

Delivery Time: Next day for most UK postcodes. View postcode exclusions

Key Features:

  • Notifications sent via email/SMS when parcel is ready for collection.
  • No signature required—customer collects in person.
  • Ideal if you’re not available at home for doorstep delivery.
  • Battery Restrictions: None: DPD imposes no additional restrictions on batteries.
  • NOT GUARANTEED SERVICE

Cost: £3.50 (Free over £50)

Service Overview: Reliable standard delivery service.

Delivery Time: 2 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday for orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.

Cost: Price Based On Address

Service Overview: Faster tracked delivery service.

Delivery Time: Up to 1 to 2 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday for orders placed before 2:30 PM (excluding Bank Holidays).
  • Deliveries are made weekdays and on Saturday.
  • NOT GUARANTEED SERVICE

Cost: £4.00

Service Overview: A cost-effective express service for less time-sensitive deliveries.

Delivery Time: Next business day delivery by the end of the day to most UK destinations.

Key Features:

  • Lower-cost option compared to UPS Express®.
  • Includes tracking and proof of delivery.
  • Suitable for urgent but not time-critical shipments.

Cost: Price Based On Address

Service Overview: Guaranteed next-day delivery service.

Delivery Time: Next day.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday for orders placed before 2:30 PM (excluding Bank Holidays).
  • Deliveries are made weekdays and on Saturday.

Cost: £9.00

Service Overview: A time-definite delivery service for urgent shipments.

Delivery Time: Next business day delivery by 10:30 AM or 12:00 PM to most UK locations.

Key Features:

  • Ideal for time-critical shipments.
  • Includes tracking and proof of delivery.
  • Money-back guarantee if the delivery commitment is not met.

Cost: Price Based On Address

International Shipping

Delivery Time: 3-10 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:30 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • NOT GUARANTEED SERVICE
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Weight + Address

Delivery Time: 3-10 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:30 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • NOT GUARANTEED SERVICE
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Weight + Address

Delivery Time: 2-4 working days.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Address

Delivery Time: Next Business Day EU.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Address

Delivery Time: Next Business Day EU By 10:30am.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Address

Delivery Time: 2 Business Day.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Address

Delivery Time: 1-2 Business Day.

Key Features:

  • Tracked to delivery point.
  • Same day dispatch Monday to Friday orders placed before 2:00 PM (excluding Bank Holidays).
  • Deliveries are made weekdays.
  • Delays caused by Customs are completely out with our control.

Cost: Price Based On Address

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