The Genie GE-40721A.S is a genuine Genie replacement battery charger designed for use in Genie residential garage door opener systems. Electrical ratings: 115 VAC input, 12V DC output (battery). Compatible with: Genie Battery Back-Up (BBU) equipped garage door openers, Standard US 115 VAC household electrical outlet.
A: This charger accepts 115 VAC from a standard US household outlet and charges the 12V backup battery inside Genie BBU-equipped openers, keeping the battery ready to operate the opener during a power outage.
A: The GE-40721A.S uses 115 VAC (AC mains) as its input power source. The GE-40724A.S uses 12V DC input. Select based on the available power source at your installation.
A: This charger is designed for standard US 115 VAC outlets. It is not rated for 230 VAC international mains voltage. Do not use it outside of 115 VAC circuits.
A: This is a service/replacement charger. Consult your opener's service documentation or contact Genie technical support to confirm it is the correct charger for your specific BBU model before purchasing.
A: No datasheet is publicly available. Contact Genie technical support or an authorized service dealer with your opener and BBU model numbers for detailed specifications.
