Batteries
21700 3.7V 5000mAh rechargeable battery 3C power lithium-ion high discharge, suitable for LED flashlights, power tools
21700 3.7V 5000mAh rechargeable battery 3C power lithium-ion high discharge, suitable for LED flashlights, power tools
https://www.bizrate.co.uk/batteries1/21700-3-7v-5000mah-rechargeable-battery-oid35642826064.html