Amazon Basics 4 Pack C Cell All-Purpose Alkaline Batteries, 5-Year Shelf Life, Easy to Open Value Pack
Basics 4 Units Pack 9 Volt Performance All-Purpose Alkaline Batteries, 5-Year Sh | eBay
Mighty Max Battery 4 Volt 4.5 Ah Replacement Battery for Rima UN4.5-4 Rechargeable Sealed Lead Acid 445 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com