2PCS 2800mAh Battery .Compatible With Braun Oral-B 3731 3738Triumph 4000 5000 9000 9400 9500 9900 ProCare 8000 8300 8500 Electric Toothbrush

- Long-lasting battery life: Lasts weeks to months on a single charge, perfect for daily use and business trips. - Low power consumption: Optimized energy efficiency extends battery life without compromising cleaning power. - High durability: Premium lithium-ion battery lasts 2-3 years, minimizing replacements. - Safety protection: Features overcharge, over-discharge, and short-circuit protection to prevent hazards. - Lightweight design: Compact and lightweight battery adds no extra weight to the toothbrush, ensuring comfortable grip.