The Lazor Charger will fit all Lazor Super Battery Packs and al Lazor Regular Battery Packs - Models: 505, 504, 555 clipper kits. Charges Laube Battery Packs in 45 - 60 min. Includes automatic shut-off sensing system circuit breaker. Charging light signals when the battery has completed its charge. This charger will work with all old and new battery packs. It plugs into a standard wall plug socket.