Check the listing for details. Replacement Battery for Ascom d63 Phone. 1200mAh. Condition: New. Listed at 40.00 USD. Replacement Battery for Ascom d63 Phone. 1200mAh This replacement battery is 100% compatible with the Ascom d63 phones and battery chargers. The 1200 mAh capacity rating is guaranteed to extend phone Talk Time by 30% or 4-6 hours longer than the Ascom 660497 and 490933A batteries, which only offer a 920 mAh capacity rating. Battery uses Japanese power cells from Panasonic which are proven to deliver maximum battery run time and total cycle life. Product Details BrandArtisan PowerColorBlackManufacturerArtisan PowerProduct TypeCordless IP PhoneMpnRB-D63-L Ascom d63 Replacement BatteryFully Replaces OEM battery number 660497 and 490933ALithium Ion Rechargeable Battery Pack | 3.7 Volt | Cells Made in Japan | 1200 mAh Capacity RatingLong Lasting High Capacity: 1200 mAh capacity rating 30% higher than the OEM battery.Manufactured by Artisan Power, a leader in premium quality replacement battery packs. Check out my other items. -Powered by