This is the deluxe battery plus synchronizer kit. Battery life extended using special Energizer Ultimate Lithium batteries as of 10/1/23. This product, with its long battery life, is ideal for Broadcast Studio clocks as well as other SWCC clocks with synchronization capability.
If you own one of the smaller ATO style clocks which uses the "Horolovar" style replacement system, consider the 1900J family. It will provide a steady, non-varying voltage over the full battery life, resulting in a stunning improvement in timekeeping. Replaceable AA Energizer Ultimate Lithium™️ internal cells included and installed!
Rechargeable Battery - Rechargeable batteries come with 120-volt AC charger for North America. International version available as well.
The Model 1900RS Kit contains our Model 1900R4, the most reliable rechargeable No. 6 ever, paired with a precision hourly synchronizer! Powers most self winding clocks for 1 year between recharges. Continental US customers ONLY, no PO Box numbers. MUST have FedEx deliverable street address.