About this item 
4 channel power supply battery charger for Sony 14.4V/14.8V V-Mount batteries. Charge 4 V-Mount batteries simultaneously; Charges any battery with a V-lock series design, including Miady's 154Wh,220wh,230Wh V Mount battery,etc. 
Input: AC100-240V 50/60Hz 3A Max, Output: 16.8V. 4-pin XLR DC output adapter,can be used as DC supply power for camcorder,portable VTR and other ENG machines.(Not Including XLP-4P female cable) 
【Charge fast and safely】 charge four batteries simultaneously.Fast charging with one/two batteries, 3A; Standard charging with three/four batteries, 2A.More safety with 6 protect system, Overcharge protection, Overcurrent protection, Over-discharge protection, Smart polarity reverse protection, Short circuit protection, Regulator protection.