Kastar 2-Pack 7.4V 2900mAh Li-Ion Batteries + LTD2 USB Dual Charger (GKL311) Compatible with Leica 724117 733269 733270 T733270 772806 and GEB70 GEB90 GEB111 GEB171 GEB211 GEB212 GEB221 GEB241 GEB242 GEB371

Battery type: Lithium-Ion. Nominal voltage: 7.4V. Capacity: 2900mAh. This kit includes a dual-slot LTD2 USB charger (GKL311) that can charge two batteries simultaneously and features a removable plate so you can swap it to accommodate different battery shapes. Charger input: 5V 2-3A 15W. Charger output: 8.4V 800mA(x1) and 800mA(x2). The intelligent LED indicators on the USB dual charger show charging progress and battery capacity at a glance. It offers multiple input options with both Micro-USB and Type-C ports, and a Micro USB cable is included. Compact and lightweight for easy transport.