Originally posted by birdoprey I would not recommend the Nizn batteries over Eneloops, it's got lower capacity 1500mah(list)
Perhaps, but that doesn't tell the whole story. Eneloops have lower capacity than some other rechargeables, but still manage to last far longer - because they hold their voltage above 1.2V longer, whereas some higher capacity cells dro in voltage more quickly. they might be able to last longer than Eneloops once they fall below 1.2V, but that does you no good, because as far as the camera is concerned, once they fall below 1.2V, they're as good as dead. Reports frm people who have used NiZn suggest that in practice they 8do* last as long as Eneloops.
Quote: It also has higher self discharge. The only advantage is the higher volts, but I'm not sure why you need the higher volts to begin with.
Well, higher voltage means faster AF, and probably faster flash recharge. But it probably also has something to do with how they manage to do so well in terms of keeping their voltage above 1.2V - since it starts so much higher, it can withstand more self-discharge before the voltage drops to unacceptable levels. I have no doubt that Eneloops would last longer if you never actually used your camera (or if the cells sat unused in your bag as spares), but in normal use with Eneloops, they're used up long before self-discharge has a chance to amount o much, and I wouldn't be surprised if that didn't turn out to be true of NiZn for most folks too.
If all my Eneloops were to die tomorrow, I'd probably pick up a set of NiZn to check out, but as it is, I have no incentive. I've got two sets of Eneloops for my camera, two sets for my wife's, another set or two I use in other devices (including a flash unit that hardly ever gets used), and they never let me down.