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TESIYI 2PCS Super Max 21700 Battery 40A 4000mAh 3.7V IMR Li-ion Rechargeable High Drain Batteries, Flat Top

Free Shipping Included! TESIYI 2PCS Super Max 21700 Battery 40A 4000mAh 3.7V IMR Li-ion Rechargeable High Drain Batteries, Flat Top by TESIYI at Sino Battery Online. Hurry! Limited time offer. Offer valid only while supplies last. TESIYI Safe, Powerful, Good performance 21700 BatteriesPlace of Origin: ChinaType: Li-ion BatteryCapacity: 4000mAhNominal Voltage: 3.7VDischarge

Product Description

TESIYI Safe, Powerful, Good performance 21700 Batteries
Place of Origin: China
Type: Li-ion Battery
Capacity: 4000mAh
Nominal Voltage: 3.7V
Discharge Current: 40A
Rechargeable Time: over 1000 times
Charging time: 8 hours(standard charge)
Cell Size: 21.1(D)mm*70.15(L)mm

Package Includes:
2 * TESIYI 21700 Batteries
2 * TESIYI Packaged Boxes

Associational Question&Answer【Original section】:
1.Are these authentic and how do I know? There are so many fakes out there.
✎Answer: Yes, 100% authentic TESIYI products selling in our store, you can check the code which on the battery, the link: www.tesiyi.com
2.What charger would you recommend to recharge these?
✎Answer: Use TESIYI E2/E2S charger will be much better. It has variable charge rates and works great. The link:https://www.amazon.com/dp/B077X92RVS
3.Can I use the button top battery charger to charge these flat top batteries?
✎Answer: Yes.
4.Can I use these in a head lamp or flashlight?
✎Answer: If your device requires 21700 batteries, it must be OK. These are great batteries and a great value.
5.Do these come precharged?
✎Answer: come with 25%~30% charge on them(ship easier)
6.Is it ce or ul certified?
✎Answer: CE and ROHS certified, tested by manufacturer.
(Any other questions, feel free contact us♥! TESIYI provides 100% smile&patient service~!)

Why Choose TESIYI:
1.Our company has 7 years experience in the line of Li-ion Batteries.
2.From raw materials to finished products, every process is tested and controlled professionally and strictly by our professional machines and person.
3.All of our products are approved ISO 9001:2008, GMP,FCC, CE, RoHS certificate.
4.Except for the Standard components, if you has special request for the components, we can customize for you.

Features & Highlights

  • ✔ 【Batteries&E2S charger save 13%】Note: TESIYI 21700 batteries≠20700 batteries!! *Standard Cell Size: 21.1(D)mm*70.15(L)mm. ♥Please purchase after checking what size batteries your device fits.
  • ✔ ♥TESIYI♥, take heart in manufaturing batteries: Excellent durable and super long lifetime that can recharge over 1000 times which's 2 times higher than general batteries.
  • ✔ Maximum Discharge Current: 40A. Continuous Discharge Current: 30A. HIGH DRAIN rechargeable batteries.
  • ✔ Batteries come pre-charged and can be used immediately out of the package.(No memory effect)
  • ✔ For use in all devices that use 21700 Batteries: Power banks, Flashlights, Electric Scooters, LED torch, Digital camera, Laser pointer, etc.

Additional Information

Color:21700 Battery
Package Weight:0.35 pounds
Package Size:1.8 x 0.9 x 0.9 inches

TESIYI 2PCS Super Max 21700 Battery 40A 4000mAh 3.7V IMR Li-ion Rechargeable High Drain Batteries, Flat Top by TESIYI

Buy Now:
TESIYI 2PCS Super Max 21700 Battery 40A 4000mAh 3.7V IMR Li-ion Rechargeable High Drain Batteries, Flat Top

Condition: New
Lead Time: 1 - 2 Business Days
Availability: In Stock



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