GP GP85AAALH3BMJ Cordless Phone Battery (Ni-MH 3.6V 800mAh) - replacement for GE GP80AAALH3BMJ, GP GP85AAALH3BMJ, Sanik 3SN54AAA80HSJ1 Batteries - Walmart.com
Xtar 14500 800mAh 3.7V Protected Lithium Ion (Li-ion) Button Top Battery - Boxed
Synergy Digital Cordless Phone Battery, Works with GP GP80AAAH3BXZ Cordless Phone, (Ni-MH, 3.6V, 800 mAh) Ultra Hi-Capacity, Compatible with Clarity C4220/4230 Battery