NP-FZ100 Battery Charger Set for Sony Alpha A7 III, A7R III (A7R3), A9, a6600, a7R IV, Alpha a9 II (2-Pack, Micro USB Port, 2280mAH)

SKU: KF28.0005

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I can't answer exactly how long, but after 3 weeks there is still plenty of charge 
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Hmm.. I've never timed it, but it's the same as the original battery. I usually use 2 knots for full day shoots, which is literally a full day (8-10 hours). 
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Compatible, it uses the included USB Type A to USB Type C cable, so you can plug it into a travel adapter with a USB port. 
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Normally, it is charged and discharged 300-500 times, and after 300 times, it begins to decay to 80% capacity, which is manifested in rapid power loss. 
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Battery life varies with different video camera quality settings 
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one year 
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New decoding, support original charger charging 
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Yes, the Type C direct rechargeable battery can be charged directly with the interface or with a corresponding type of charger