• Free Shipping Worldwide at USD 20.00+
  • Shipping to
    Select Regional Setting
    Shipping to
  • Message Center
  • best Tesiyi IMR 21700 Li-ion Battery - 400mAh
  • Tesiyi IMR 21700 Li-ion Battery - 400mAh-1
  • Tesiyi IMR 21700 Li-ion Battery - 400mAh-2
  • Tesiyi IMR 21700 Li-ion Battery - 400mAh-3
  • Tesiyi IMR 21700 Li-ion Battery - 400mAh-4
  • Tesiyi IMR 21700 Li-ion Battery - 400mAh-5
Mouse over to zoom in

Tesiyi IMR 21700 Li-ion Battery - 400mAh

Be the first to comment
Tesiyi IMR 21700 Li-ion Battery, which has 4000mAh capacity, is suitable for most 21700 devices.
Market price USD 29.87
Price:USD 12.67
SKU: T06700210A
  • Type A
Shipping to:

Estimated Delivery Time:34 - 60 days

The Estimated Delivery Time is just the approximate delivery time based on recent shipping satatus, and just for reference. The actual shipping time might be different due to peak season, customs policy, etc.
Shipping: Free shipping for item amount over USD 20.00
Contact UsContact now

Product Introduction

Tesiyi IMR 21700 Li-ion Battery comes with 4000mAh capacity to ensure long standby time, is compatible with most 21700 devices.



Capacity: 4000mAh
Weight: 69g
Height to top: 70.15mm
Height to crimping: 70.15mm
Upper diameter: 21.1mm

packing list

• 1 x Tesiyi IMR 21700 Li-ion Battery

Our Promise


    Original Products

    BuyBest has been cooperating with the brand manufactures directly. We only sell 100% original products.


    Product Warranty

    We provide different product warranties for different products, from 3 months to 1 year. You can check the product warranty on the order tips.


    Fast Delivery

    We have different warehouses,namely Russian Warehouse, Hongkong warehouse and Chinese mainland warehouse, to guarantee that we can send your parcels in a fast and efficient way.


    Customs Clearance

    We can declare proper product name and values on the parcel for customs clearance. We will help you to get the product by providing invoice or other document. But we are not responsible for the customs duties if it may occur


    Refund & Return

    We support refund & return for defective products within guarantee period. If it’s product problem, we will fully refund you or send you a replacement.

  • View More