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I know these are currently out of fashion but I'm still thankful they exist.
Let's remind ourselves of devices that use(d) these standardized batteries:
- Toys
- Digital cameras
- Torches
- Gadgets like fans
- Wireless keyboards
- TV remotes
Thanks to having a standardized system of batteries,
- You can use the same battery across several devices. This is a no brainer but it's very practical.
- Batteries can charge quicker thanks to being put in a dedicated charger and not being limited by USB cables. (But yes I concede that USB has been updated for faster charging over the years)
- Devices don't have down time when their battery is charging. To charge, the battery is removed from the device and can immediately be replaced with a fresh one.
- You'll never have to trash a device due to an expired battery. Just buy a replacement. And building on this...
- Any improvements in future battery technology can be retro-fitted into your existing devices. And there is a high incentive for future improvement, because...
- An accessible (due to easy replacement) and large (due to many devices) battery market is very attractive to competition.
If you look at the pros I listed, they all happen to be things that would be very useful for electric cars. So I think it would aid the adoption of electric cars if their batteries were standardized too.
The two cells tested in that video are different. The Ladda 2450 mAh is equivalent to the black wrapped Eneloop Pro, but the video only tests the standard white Eneloops which have less capacity but a better cycle life rating. This is honestly one of the most disappointing videos I've seen from Project Farm, he didn't test most of what makes a cell better/worse.
Whether or not they are identical cells, from what I've read there is only one factory in Japan that makes NiMH cells, so the Eneloops and the Ladda come from the same factory and are therefore likely to be very similar.
Ahhh, I didn't know that about the Eneloops Pro. Thanks.