Details
Extend your light's runtime with Serfas' BAT-ADT Replacement Battery. It allows up to 4 times the runtime when used in place of internal battery and connected to BAT-4 (sold separately).
Mon - Fri: 10:00am - 7:00pmSat: 10:00am - 6:00pmSun: 12:00pm - 5:00pm
Extend your light's runtime with Serfas' BAT-ADT Replacement Battery. It allows up to 4 times the runtime when used in place of internal battery and connected to BAT-4 (sold separately).