Specifications:The battery charging adapter board supports up to 4 packs of the same type and same cells 3-4S battery pack.It has equipped with safety protection XT60 plug silicone cap.Made of golden plated connectors, it it durable to use.Item Name: Battery Parallel Charging BoardMaterial: PCBApplicable: 3S/4S BatteryFeatures: Durable, Digital Display, Easy to CarrySize: 85mm x 53mm x 23mm/3.35" x 2.09" x 0.91" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes: (Battery Not Included)1 x Battery Parallel Charging Board1 x 14AWG Silicone Cable1 x 5P Cable 22AWG Silicone Wire