![Help! Identify lithium battery size? Coolest Cooler battery pack, replacement on the right, original on the left with no markings on the battery. Original battery is slightly larger than the 18650. : Help! Identify lithium battery size? Coolest Cooler battery pack, replacement on the right, original on the left with no markings on the battery. Original battery is slightly larger than the 18650. :](https://i.redd.it/ewp7axgemu791.jpg)
Help! Identify lithium battery size? Coolest Cooler battery pack, replacement on the right, original on the left with no markings on the battery. Original battery is slightly larger than the 18650. :
![Amazon.com: Replacement Coolest Cooler Battery Cooler Blender Battery Li-ion 21V 2100mAh (1 Pack) : Electronics Amazon.com: Replacement Coolest Cooler Battery Cooler Blender Battery Li-ion 21V 2100mAh (1 Pack) : Electronics](https://m.media-amazon.com/images/I/31SwBjYvFmL._AC_.jpg)
Amazon.com: Replacement Coolest Cooler Battery Cooler Blender Battery Li-ion 21V 2100mAh (1 Pack) : Electronics
Coolest cooler: American Esky puts Australian brands to shame | news.com.au — Australia's leading news site
![Amazon.com: Replacement Coolest Cooler Battery Cooler Blender Battery Li-ion 21V 2100mAh Set : Tools & Home Improvement Amazon.com: Replacement Coolest Cooler Battery Cooler Blender Battery Li-ion 21V 2100mAh Set : Tools & Home Improvement](https://m.media-amazon.com/images/I/51UNrxMp6VL._AC_UF894,1000_QL80_.jpg)