Compatible with Shark Stratos IZ800 Series IZ840H IZ841H IZ842H IZ862H IZ863H IZ864H IZ882H cordless vacuum cleaner with 25.2V li-ion battery Specification: Input: 100-240V 50/60Hz; Output: 28.8V; Charging Cord: 5.9ft power cord Tips:Rechargeable batteries typically last 1-3 years. Failure to hold charge indicates natural battery depletion, not charger malfunction.For accurate diagnosis,you can keep a voltage tester to easily identify if it's battery aging or device failure Durable Material: PC+ABS shell is designed to withstand significant impacts and endure bumps and knocks during daily use, ensuring the internal components are well-protected,high-heat resistance can preventing overheating during fast charging Safety Protection: Built-in intelligent chip provide multiple safety protection:over voltage protection,over current protection,over charge protection,short circuit protection,over loading protection,over heating protection 28.8V Charger for Shark Stratos IZ800 Series IZ840H IZ841H IZ842H IZ862H IZ863H IZ864H IZ882H cordless vacuum cleaner with 25.2V li-ion battery