![Source Ifr lfp lifepo4 21700 3.2v 3000mah 3C cylinder rechargeable battery lithium iron phosphate batteries for energy storage on m.alibaba.com Source Ifr lfp lifepo4 21700 3.2v 3000mah 3C cylinder rechargeable battery lithium iron phosphate batteries for energy storage on m.alibaba.com](https://sc04.alicdn.com/kf/Ha0d352d1338b4681a64830c4d343d3e8C.png)
Source Ifr lfp lifepo4 21700 3.2v 3000mah 3C cylinder rechargeable battery lithium iron phosphate batteries for energy storage on m.alibaba.com
![18650 vs. 21700 Li-ion cells – A direct comparison of electrochemical, thermal, and geometrical properties - ScienceDirect 18650 vs. 21700 Li-ion cells – A direct comparison of electrochemical, thermal, and geometrical properties - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0378775320309186-gr5.jpg)
18650 vs. 21700 Li-ion cells – A direct comparison of electrochemical, thermal, and geometrical properties - ScienceDirect
![21700 NMC 3.7V 4800mAh Rechargeable Lithium ion Battery For DIY 12V 24V 48V Battery Pack Flashlight Power Bank – SeLian Energy 21700 NMC 3.7V 4800mAh Rechargeable Lithium ion Battery For DIY 12V 24V 48V Battery Pack Flashlight Power Bank – SeLian Energy](https://selianenergy.com/cdn/shop/files/3748-1000-21_800x.jpg?v=1683621791)