FWIW, it's an 8,000 mAh battery - not an 800 one ;)
Anyhow, this tablet looks marvelous. Android would be far more to my liking, but it's still great.
Anyhow, this tablet looks marvelous. Android would be far more to my liking, but it's still great.
Seems like it just makes it hard to compare capacities of batteries of different voltages. A 8000mAh laptop battery sounds like it can only store three times the energy of the (2650mAh) cheap NiMH AA battery I have here, but it can actually store 30x, as the AA battery is 1.2V and assuming the laptop battery is 12V (which it may not be, I don't know).
It's measured this way so you can most easily estimate runtime by putting an ammeter in series with the battery.
To get Wh, multiply by voltage. 2.6Ah * 1.2V = 3.1Wh. 8Ah * 4V (one cell is my assumption) = 32Wh.
The battery has 10x the capacity of a NiMH (that's the lower limit, it could have two cells but that seems a bit excessive for such a device).
Other than the battery discussion, Nokia devices running RT are about as interesting as the dirt on my shoes.
Then you can just multiply the voltage by mAh and you have energy in mWh
From personal experience, I've seen that laptop & mobile batteries list watt-hours as well. I'd prefer if that number was advertised instead.
[1]With two LiPo 3.7V 3Ah cells, you can have either 7.4V 3Ah or 3.7V 6Ah.