3.7V 800mAh Replacement Li Battery. Compatible with Braun Oral-B. iO4, iO5, iO6, iO7, iO8, iO9, iO10, 6N, 7N, 8N, 9N Electric Toothbrush Rechargeable Type 3758 3759 3753 3776 3794

High - Capacity Power：Our Electric Shaver batteries offer exceptional capacity, providing long - lasting power .With 800mAh capacity,ensuring your machine runs at peak performance throughout the use process Advanced Safety Features：Safety is our top priority. These batteries are equipped with multiple safety mechanisms, including over - charge protection, over - discharge protection, and short - circuit prevention. You can use your machine with peace of mind Fast Charging：Save time with our fast - charging batteries. Get your machine back in action quickly and resume your work tasks without long waits. Reliable After - Sales Service：We stand behind the quality of our products. If you encounter any issues with the battery, our dedicated customer support team is available to assist you. The battery is Exquisite and meticulous, highly matching with equipment.Wide compatibility。Upgraded balance detection function, safest and most durable. for Pro2. iO6 iO7 iO9 iO8 Pro 2 Type. 3766 S5 S6 S7 S51 53B 73S 5762 N1000 1000S 1200S S4200 5762 M4000cs M4200cs R1000s R1320 Electric Shaver Toothbrush