K&F Concept NP-W235 Replacement Battery 2 Pack and Battery Charger for Fujifilm NP-W235 Battery Compatible with Fujifilm X-T5, X-T4, GFX 100S, X-H2S, GFX 50S II, VG-XT4 (2200mAh)

SKU: KF28.0018

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It depends on the charge in the battery and the type of charger. I'd say about 3-4 hours. 
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Regardless of supply voltage, all USB ports output 5VDC, between 0.5 and 2.5 amps. Any USB connector will work fine. 
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It's hard to say exactly when. You can take over 1000 shots on a fully charged battery, hope this helps. 
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The LED light will turn green when there is no battery in the charger or when the battery is fully charged. The LED light will be red while the battery is charging. 
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This charger comes with 5V USB input and Micro-USB cable. It can be charged by any device with 5V USB output, such as wall charger or laptop or power bank etc. It's not from 110V or 220V. 
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No, it has to be inside the camera to display the battery level 
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Yes, it charges them quickly and then the light for that slot turns green. To me, that's an indication that it's going to lose power because the battery isn't hot the next day. (No, they don't need to be charged overnight, they're fast.) 
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Battery life varies with different video camera quality settings 
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Yes, micro USB and USB-C are supported. It's great because you can use any micro USB cable and USB-C and take it with you. 
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one year