EXTENDED POWER - Enjoy up to 15 hours of normal use with this 3000mAh rechargeable lithium-ion battery, ensuring your AX Visio binoculars are always ready for your next adventure. RAPID CHARGING - Quickly replenish your battery; achieve a 90% charge in just 3.5 hours, or a full 100% charge in 5 hours, minimizing downtime and maximizing your viewing time. RELIABLE PERFORMANCE - Designed specifically for AX Visio binoculars, this 11.1Wh, 3.7V battery delivers consistent and dependable power for optimal device functionality in the field. SEAMLESS COMPATIBILITY - This genuine Swarovski Optik battery (model 72303) is perfectly engineered for your AX Visio binoculars, guaranteeing a secure fit and reliable operation every time.