Swaroser Wall Charger For All Type Cordless Swivel Sweepers G2 G3 G6 G8 Swivel Sweeper G1 and G2 Replacement Battery 7.2V NiMH Vacuum Battery Our battery is an extended life, lasts up to 1 hour and 20 minutes. 3 times more than other batteries! The battery gets put into the charger and will charge up to 4 hours. If the normal charging time is exceeded the battery may fail.