【1350mah EN-EL25 Replacement Batteries】 These batteries offer an impressive capacity of 1350mAh and operate at a reliable 7.6V. They utilize advanced Li ion cells to deliver long lasting performance without experiencing any memory effect. NOTE: For optimal battery longevity, please fully charge the battery before first use 【Seamless Compatibility】 The batteries are fully compatible with Nikon Z30 Z50 ZFC cameras. Additionally, they can be charged using the original MH-32 charger, and the included dual channel USB battery charger is also compatible with original 4241 EN-EL25 batteries 【Built in Intelligent Protection】 The battery with a built in intelligent chip that protects against over voltage, over current, short circuit, high temperature, and over charge accidents 【LCD Display & Quick Charging】Featuring an intelligent LCD display that shows the current charging status in real time, this dual charger has a maximum output of 8.7V/1x 700mA or 2 x 500mA, you can charge two batteries simultaneously in as little as 3 hours 【Multiple Charging Options】 The battery charger can be connected to various power sources for charging, including wall sockets, cars, or portable chargers. You can also charge the batteries directly inside the Z50 camera or with the charger for optimal performance