neb:seoras:Probably because they're not really that good for what you're paying. They use a buck converter to get the steady 1.5V, so you'll have a higher self-discharge rate than LSD NiMH's, and an even worse one if powering low-current-draw equipment over a period of time. The capacity is carefully given in mWh rather than mAh, a back-of-the-envelope calc with freely invented figures for conversion efficiency etc puts them at about the 1500mAh mark, vs. close to 2000mAh for equivalent NiMHs. So it's hard to work up much enthusiasm for something that's probably not much better than, possibly worse than, a cheap NiHM AA.
It came with a USB charger which also double as a nice little LED torch too.
The charger takes 4 batteries at a time (AA or AAA).
I didn't want this post to come across as a product advertisement. I'm really just looking for pit falls here. You know "if something sounds too good to be true...".
Something doesn't make sense. Why would such a good product not be openly available here in NZ?
I count "probably" twice in there. :)
The theory doesn't match the reality I'm afraid. NiMH are pathetic and the Li-ion's I have are better even than disposables.
I'm not talking theory here I'm sharing my experience of using them. Anyone else?
I think we've already established that the published theories put them down as not worth investigating.
I'm saying that I have investigated and the practice doesn't match the theory. So which is real? Tested or theorised?
Safety concerns would be more convincing, that's what I'm really looking for.