3.7V 3350 mAh Bego Battery - Slim Spare

FNDN™ 3.7V 3350mAh BEGO Slim BatteryNew and improved — now with up to 35% more capacity!The FNDN™ BEGO Slim Battery is one of the smallest and lightest 3.7V rechargeable batteries available, designed as an affordable and reliable spare for your heated gear. Encased in a tough, durable PVC shell, this compact battery delivers consistent power while taking up minimal space, making it perfect for active use.Whether you want a backup for extended runtime or need a replacement, the BEGO Slim Battery is compatible with multiple FNDN heated products, ensuring you’re always powered up and ready to go. Features Compact, lightweight 3.7V rechargeable battery Increased capacity: up to 35% more than previous version Durable PVC casing for protection and longevity Designed for extended use and quick swapping Capacity 3350mAh   Designed in Detroit