Kastar 4-Pack 7.4V 2400mAh Li-Ion Batteries + LTD2 USB Dual Charger for Huepar S03CG/S03DG, S04CG 4D Cross Line, 503DG/503CG/503CR/602CG/602CR/603CG/603CR 3D Laser Levels

Includes four Lithium-Ion replacement batteries (7.4V, 2400mAh) and the LTD2 USB dual charger. The charger is compact and portable, designed to charge two batteries at once and features a removable plate so you can adapt it to different battery types. Charger electrical specifications: Input 5V 2-3A 15W; Output 8.4V 800mA(x1) 800mA(x2). An intelligent LED indicator on the USB dual charger shows both charging progress and battery capacity. Multiple input options are supported with Micro-USB and Type-C ports; a Micro USB cable is included in the package.