These are high quality, rechargeable 21700 batteries from Efest, rated to have a 3700mAh capacity and a discharge rate of 35A. These batteries are only for use in mods that explicitly state compatibility with these batteries.
Please note that 21700 batteries are not compatible with 18650 mods.
Check out our Battery Safety Guide for tips on keeping your batteries in tip-top condition.
Specifications:
Flat Top
3700mAh Capacity
35A Max Discharge Current
3.7V
We only ship orders to UK and operate a Same Day Dispatch (99% of the time, sometimes delays may occur) on all orders placed before 4pm on working days (Monday to Friday excluding weekends & Bank Holidays). Any orders placed after 4pm cut off on weekdays (Monday to Friday) or over weekends, will be dispatched the next WORKING day. We do not dispatch goods over weekends or bank holidays and do not offer delivery on Bank Holidays.
When you place an order, we will estimate a delivery date for you based on the shipping method you have chosen. This is an estimation only and is not guaranteed delivery date. All orders are shipped in discreet packaging.
You may return most new unopened items (excluding e liquids) within 14 days of delivery for a full refund excluding our postage costs we have incurred. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect item etc.). If the item is reported as defective, we will check item for issue/fault before deeming it faulty.
You should expect to receive your refund within 7 working days of the return arriving with us and being deemed faulty, however, in many cases you will receive a refund more quickly. This time period includes the product testing and the time it takes your bank to process our refund request (3 to 5 working days).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.