Amazon.com: Vision CP645 6v 4.5ah Replacement Battery Set - 4 Pack : Health & Household
Bright Way Replacement Battery for Vision CP645 6V 4.5Ah Sealed Lead Acid
Mighty Max Battery 6V 4.5Ah UPS Battery for Vision CP645 Rechargeable Sealed Lead Acid 645 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
UB645 Universal Sealed Lead Acid Battery Replacement for Vision CP645 | eBay