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It is not accurate to compare the capacity in Amp-hours because the Nikon EN-EL15C battery has twice the voltage (two Li-ion cells in series) of a single-cell s
by Zak 5y ago
It is not accurate to compare the capacity in Amp-hours because the Nikon EN-EL15C battery has twice the voltage (two Li-ion cells in series) of a single-cell smartphone battery.
- wholinator2 5y agoAs well I'd like to add the thought that the smart phone could be running all kinds of battery draining things in the background. So actual battery life depends not only mAh but how efficiently the device uses its capacity.
- radlad 5y agoAlternatively: I'd point out that the camera app tends to be a highly battery-draining activity on a phone. Most phone users do not leave the camera app up 24/7. (And as a digital camera user - at least I can hot swap batteries. I miss my old cell phones that allowed for this.)
- SAI_Peregrinus 5y agoAnd the camera batteries are replaceable. Quickly. In the field. There are also "battery grips" that have extra battery slots in them and automatically switch between the batteries. The camera never has to sit on a charger, only a spare battery does.
- numpad0 5y agoNapkin math: 7V/2280mAh = 16Wh or equivalent to 3.7V/4300mAh (USB power banks are always measured and marked in 3.7V and mAh as unit to produce largest comparable numbers)
- Dylan16807 5y agoIf you want napkin math then just multiply 2280 by two. It'll be faster and more accurate than converting to watt hours.
- Zak 5y agoI've always thought it was odd powerbanks didn't advertise in mWh. That's a bigger number and comparable regardless of voltage.