All our batteries and chargers are CE approved, however we always advise our customers a few points:
1, As with ALL rechargeable Batteries, Never charge batteries over night and never leave unattended while charging.
2, We recommend gently cleaning the connections and threading of the battery keeping it free of liquid and residue. This will ensure the battery remains in a safe working order.
3, Always use eMazing Main charger and USB charger that comes with our kits with our EGO batteries.