Battery, for Savi 824X/844X

Spare Battery for Poly Savi 8240/45 Office and UC Wireless Headsets Replacement battery for the Poly Savi 8240/45 & 8440/45 Office & UC Convertible DECT wireless headsets NOT compatible with Savi 440/45 & 740/45 Up to 7 hours talk time on a full charge Full charge takes 3 hours Part number printed on battery is 213225-01 Easy to install – slide the old battery off the headset and slide the new one on – the easiest battery to change on a wireless headset! If hot swapping, you may swap the battery while still on a call and the call will not drop Approximately 1 1/4″ x 7/8″ x 1/4″ thick Black Genuine Poly accessory BTP Model: PL-215802-01MFR Part: 215802-01, 85R41AA