Kastar 4-Pack NP-QM71D 7.4V 3600mAh Li-Ion Batteries + LTD2 USB Dual Charger — Compatible with Sony CCD-TRV218/228/250/308/318/328/338/350/408/418/428

Includes four Kastar NP-QM71D lithium-ion replacement batteries (7.4V, 3600mAh) and one Kastar LTD2 USB dual charger. The charger accepts 5V 2-3A (15W) input and provides outputs of 8.4V/4.2V at 800mA for single-battery charging and 800mA per bay when charging two batteries simultaneously. The interchangeable charging plate lets you swap adapters to support different battery types, and an intelligent LED display shows charging status and battery capacity. Portable and travel-friendly, the charger supports multiple input options (Micro-USB and Type-C) and ships with a Micro USB cable.