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<blockquote data-quote="Blue439" data-source="post: 824474" data-attributes="member: 53455">Following my previous post of that new K&amp;F Concept EN-EL15 battery, my report after three cycles of use (fully charged to fully discharged) is that it takes indeed a lot longer for this battery to start sloping down, compared to Nikon ones. However, once it reaches less than 50 percent of charge, it tends to go down very quickly, surprisingly quickly, and much quicker than a Nikon one.The Nikon batteries have a shorter lifetime (to be expected: 2,280 mAh versus 2,600 for the K&amp;F) but spend their charge more evenly over that lifetime, with no “cliff effect”.The little cable that K&amp;F supplies to plug directly into the battery and charge from a USB socket is lovely and works a charm, particularly to recharge the battery on the go from a spare portable battery or in the car.In summary, is it a good purchase? Yes, for the longer overall lifetime and unbeatable price —but you need to factor in the steep discharge between, say, 30 percent and zero, when you’re out in the field.</blockquote>

[QUOTE="Blue439, post: 824474, member: 53455"] Following my previous post of that new K&F Concept EN-EL15 battery, my report after three cycles of use (fully charged to fully discharged) is that it takes indeed a lot longer for this battery to start sloping down, compared to Nikon ones. However, once it reaches less than 50 percent of charge, it tends to go down very quickly, surprisingly quickly, and much quicker than a Nikon one. The Nikon batteries have a shorter lifetime (to be expected: 2,280 mAh versus 2,600 for the K&F) but spend their charge more evenly over that lifetime, with no “cliff effect”. The little cable that K&F supplies to plug directly into the battery and charge from a USB socket is lovely and works a charm, particularly to recharge the battery on the go from a spare portable battery or in the car. In summary, is it a good purchase? Yes, for the longer overall lifetime and unbeatable price —but you need to factor in the steep discharge between, say, 30 percent and zero, when you’re out in the field. [/QUOTE]

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