This is a high-quality smart charger from Efest, the Pro C4 Charger. It features four slots high quality standard smart charger, Li-ion and Lithium battery smart charger. It features reverse polarity protection, short circuit protection, overcharge protection and auto detect charging function. It automatically stops when batteries are fully charged. Pro C4 is compatible with most Li-ion & Lithium 3.6V or 3.7V cells and self adjusting contacts, which are made from piano wire, easily conform to any battery length.
Disclaimer: Use At Your Own Risk! Advanced products are for experienced users with extensive knowledge of how electronic devices work along with access to the appropriate safety tools. Please ensure proper precautions are take when using these devices. There is an inherent risk with the use of any and all rechargeable batteries in any circumstance. Use special caution when working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells, as they are very sensitive to charging characteristics and may explode or burn if mishandled. Never leave charging batteries unattended. Breazy Inc will not be held responsible or liable for any injury, damage, or defect, permanent or temporarily that may be caused by the improper use of a Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable battery/batteries.