Dual Charging, Small Footprint. The Core SWX GPM-X2S Mini Dual Battery Charger (V-Mount) can fill up two 98 Wh V-mount batteries in around 4-1/2 hours. The travel charger has a vertical orientation and features single charging at a rate of 3A and simultaneous charging at a rate of 1.5A. It works with most V-Mount and V-Lock batteries. If you have specific compatibility concerns, please contact us.