General > General Technical Chat

Lithium AA and AAA cells - interesting behaviour.

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Veteran68:
I use a lot of Eneloops but as discussed their power curve is different and some devices don't like their lower nominal voltage, either not working outright or exhibiting very short battery life. I've started transitioning to more lithium rechargeable batteries and really like them. I also find them to last longer both in terms of battery life and total lifetime.

Not all rechargeable lithium batteries have a built-in USB charging port. I have AA and AAA lithium batteries that are charged in the same multi-bay charger that also charges my NiMH cells.

PlainName:
Thanks. I missed the initial voltage being sensible and not triggering low battery warnings from the off :)

Do you have a favourite brand for the non-USB charging ones?

Veteran68:

--- Quote from: PlainName on March 18, 2024, 09:12:33 pm ---Do you have a favourite brand for the non-USB charging ones?

--- End quote ---

I like the EBL brand you can find on Amazon. I have these in 9V and also these in AA and have been quite happy with both.

thm_w:
I highly doubt these rechargeable lithium AA or AAA's last longer than eneloop pro's (2450mAh for $2.50 from ikea). But I don't see them on: https://lygte-info.dk/ Anyone have any actual capacity tests?

The 9V cells 100% make sense and have more capacity than nimh for same or lower cost.

PlainName:

--- Quote from: Veteran68 on March 18, 2024, 09:32:25 pm ---
--- Quote from: PlainName on March 18, 2024, 09:12:33 pm ---Do you have a favourite brand for the non-USB charging ones?

--- End quote ---

I like the EBL brand you can find on Amazon. I have these in 9V and also these in AA and have been quite happy with both.

--- End quote ---

Super, thanks. The Mxbatt ones aren't available over here but there is another brand that looks suspiciously similar. However, with all of them we are looking at around £5 apiece, which is a bit steep. I'll have to think up a compelling use case...

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