![Source Flashlight NMC AKKU 30T 40T M50T 50E 3.6v 3.7v 3000mah 4000mah 5000mah 5000 mah Lithium Ion 20700 21700 Battery Cell on m.alibaba.com Source Flashlight NMC AKKU 30T 40T M50T 50E 3.6v 3.7v 3000mah 4000mah 5000mah 5000 mah Lithium Ion 20700 21700 Battery Cell on m.alibaba.com](https://sc04.alicdn.com/kf/H87a8a979e2594720bce7e052383b425cD.jpg)
Source Flashlight NMC AKKU 30T 40T M50T 50E 3.6v 3.7v 3000mah 4000mah 5000mah 5000 mah Lithium Ion 20700 21700 Battery Cell on m.alibaba.com
![Amazon.com: IMREN 26650 21700 Battery Charger, 3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries, 1.2V Ni-MH/Ni-Cd AA AAA C Batteries (1 Bay) : Electronics Amazon.com: IMREN 26650 21700 Battery Charger, 3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries, 1.2V Ni-MH/Ni-Cd AA AAA C Batteries (1 Bay) : Electronics](https://m.media-amazon.com/images/S/aplus-media-library-service-media/14d7f9cb-833e-42d1-94c3-59db6eca73da.__CR0,0,600,450_PT0_SX600_V1___.jpg)
Amazon.com: IMREN 26650 21700 Battery Charger, 3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries, 1.2V Ni-MH/Ni-Cd AA AAA C Batteries (1 Bay) : Electronics
![21700 Battery Storage Box 20700 21700 Battery Box Plastic Case Container Waterproof 21700 Box 1 Slot/2 Slot - AliExpress 21700 Battery Storage Box 20700 21700 Battery Box Plastic Case Container Waterproof 21700 Box 1 Slot/2 Slot - AliExpress](https://ae01.alicdn.com/kf/S6dbc6c95a06443ec93ec4f0acf830a96P/21700-Battery-Storage-Box-20700-21700-Battery-Box-Plastic-Case-Container-Waterproof-21700-Box-1-Slot.jpg)
21700 Battery Storage Box 20700 21700 Battery Box Plastic Case Container Waterproof 21700 Box 1 Slot/2 Slot - AliExpress
21700 vs 18650 Lithium-ion Battery Cells, Packs, and Technology | 21700, 18650, 20700 and others simply refer to the physical size of the lithium-ion #battery cell. For 18650, it's an 18 mm
![Amazon.com: IMREN 26650 21700 Battery Charger, 4Bay 26650 21700 Fast Battery Charger,3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries (4 Bay) : Electronics Amazon.com: IMREN 26650 21700 Battery Charger, 4Bay 26650 21700 Fast Battery Charger,3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries (4 Bay) : Electronics](https://m.media-amazon.com/images/I/71yun3aA2BL.jpg)
Amazon.com: IMREN 26650 21700 Battery Charger, 4Bay 26650 21700 Fast Battery Charger,3.7V Lithium-ion Battery Charger for 18650 18500 18350 17650 17670 17500 20700 21700 26650 Batteries (4 Bay) : Electronics
![PRODUCT / Lithium ion Cell-Power Type / 20700/21700 20700/21700 EVVA-High End Lithium ion Battery Expert PRODUCT / Lithium ion Cell-Power Type / 20700/21700 20700/21700 EVVA-High End Lithium ion Battery Expert](http://evva-tech.com/uploads/230727/1-230HGSP0217.jpg)