We are pleased to introduce another product from our premium product range. With our 4-channel charger, you can charge up to four 8.4 V / 16.8 V lithium-ion batteries at the same time. An intelligent espandi...control unit (MCU) regulates the voltage distribution to the 4 channels. The PATONA Premium 4-channel charger has built-in overvoltage protection. Technical data: Input: AC 100 V-240 V 50/60 Hz - Output: 8.4 V x4 (8.3-8.5 V) / 16.4 V x4 (16.3-16.5 V) - Compatible batteries:Panasonic VBD1, VBD2 - Sony NP-FM50, NP-QM51, NP-QM71, NP-QM91, NP-F550, NP-F750, NP-F960, NP-F970, NP-FM500, NP-FM500H