NP-FW50 Replacement Battery 2 Pack and Charger for Sony A6000, A6500, A6300, A6400, A7, A7II, A7RII, A7SII, A7S, A7S2, A7R, A7R2, A55, A5100, RX10

SKU: KF28.0004

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Third-party batteries can be charged with KF chargers, but based on reliability considerations, KF batteries should use KF chargers as much as possible, and our products are guaranteed safe. 
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Any USB charger will do. As long as it accepts European voltages, your phone charger will work. Super handy if you want to charge while driving. 
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Simply connect any 5V 2.1A Max output power source via the Micro-USB cable to safely charge the battery in the included charger. The connected power source can be a mobile phone adapter, a car charger, or a power bank, etc.But please do not directly connect the charger with power supply higher than 5V 2.5A. 
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Hmm.. I've never timed it, but it's the same as the original battery. I usually carry 5 batteries but never need to use 5, I only use 2 for all day shooting, which is literally a full day (8-10 hours). Hope this helps. 
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It will not cause problems to the data stored on the SD card, please use it correctly according to the requirements of the SD card. 
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The LED light will turn green when the corresponding battery is fully charged. 
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The battery of Sony A1 is NP-FW100. 
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yes it can.. because it is a usb charger 
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Yes, I have a NEX-7, two 6000's, an a7 and a 7ii. These batteries are fine for all of the above and I believe should be fine for travel. 
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All K&F camera batteries come with a 1-year warranty