Sanyo Eneloop XX 950mAh Typical / 900mAh Minimum on Amazon - $13.39

Saw this deal on Amazon last night for Sanyo Eneloop XX AA batteries - $13.39 + FS with Prime

Great deal if you're looking at "black" eneloops.

Here is the correct link: http://www.amazon.com …r=8-1&keywords=eneloop+xx

I've been using the regular white Eneloops for years and absolutely love them. Does anyone here have any solid experience with the black XX version? Is there a noticeable difference in real world usage?

Thanks,
Bryan

950mAh are the AAA's

bps wrote in post #16594627
I've been using the regular white Eneloops for years and absolutely love them. Does anyone here have any solid experience with the black XX version? Is there a noticeable difference in real world usage?

Thanks,
Bryan

people have tested these in flashes and the recharge is faster than the standard white eneloops.

they are worse for non-high drain applications, since they are more expensive and less recharge cycles.

Still, 500 cycles is a lot of recharges. For an old guy like me, 500 is plenty I'll still have enough recharges to power the night light in my coffin until the devil grabs me.

Bearmann wrote in post #16594865
Still, 500 cycles is a lot of recharges. For an old guy like me, 500 is plenty I'll still have enough recharges to power the night light in my coffin until the devil grabs me.

LOL!

I have to admit, the 500 recharge cycles don't bother me either. I have a lot of rechargeable, so I'm pretty sure I'll never reach that number.

I think I'll hold off on buying any XX Eneloops until there is a really, really good sale that rivals the price of regular Eneloops...or when I really need the extra capabilities they provide.

Bryan

Can you use the older white charger? If so then I'll pick me up a set.

Higher the mAh, lower the LSD (low self discharge) performance. The main reason for purchasing the LSD rechargeable batteries is exactly that, LSD performance, and nothing beats the original white eneloops. So why would you want to pay MORE for something that cuts down the number of recharges by HALF and for LESS LSD performance?

Thanks for the good advice SYS. My white Eneloops recycle fast, hold their charge for a really long time, and are as strong as the day I bought them. No need to try anything different here!

Bryan

bps wrote in post #16596485
Thanks for the good advice SYS. My white Eneloops recycle fast, hold their charge for a really long time, and are as strong as the day I bought them. No need to try anything different here!

Bryan

A sharpie writes better on white than on black eneloops, too.

SYS wrote in post #16596495
A sharpie writes better on white than on black eneloops, too.

A silver sharpie writes better on black

SYS wrote in post #16596331
Higher the mAh, lower the LSD (low self discharge) performance. The main reason for purchasing the LSD rechargeable batteries is exactly that, LSD performance, and nothing beats the original white eneloops. So why would you want to pay MORE for something that cuts down the number of recharges by HALF and for LESS LSD performance?

SYS,

Knowing that you are an expert on batteries and performed the mother of all battery tests, I hesitate to reply. However, never having developed the good sense to keep my mouth shut at the appropriate times, I'm going to stick my neck out. The XX batteries hold 75% of their charge after one year, or 0.75 x 2500 = 1850. I can't find the one year rate on the regular Eneloops, but I think it must be around 90% for the most recent models, or 0.90 x 2000 =1800. So for the first year, the XX will run longer, and after that the regular Eneloops will pull ahead. So if you want a battery that will last longer between re-charges, the XX batteries seem to be a good choice.

Bearmann wrote in post #16596817
SYS,

Knowing that you are an expert on batteries and performed the mother of all battery tests, I hesitate to reply. However, never having developed the good sense to keep my mouth shut at the appropriate times, I'm going to stick my neck out. The XX batteries hold 75% of their charge after one year, or 0.75 x 2500 = 1850. I can't find the one year rate on the regular Eneloops, but I think it must be around 90% for the most recent models, or 0.90 x 2000 =1800. So for the first year, the XX will run longer, and after that the regular Eneloops will pull ahead. So if you want a battery that will last longer between re-charges, the XX batteries seem to be a good choice.

I don't know why you're multiplying the LSD rate with mAh. Regardless of the stated mAh, 75% LSD rate of the XX batteries loses juice faster than 80% of the LSD rate of the original white eneloops.

Now, if you don't really care about the LSD factor and you just want more flash pops, then XX batteries would be better than the original white eneloops simply because higher the mAh, more the flash pops. But then, why purchase XX batteries when there are much better performing batteries in terms of higher mAh, such as Powerex 2700's, and probably at a lower price, too?

The battery technology is such that you can't have BOTH the highest mAh AND the longest LSD in a single NihM cell. Things will change eventually, but currently the "sweet spot" where the power of mAh and the longest LSD performance come together is in those original white eneloops.

So the question is what batteries to use for what applications. I always go for the original white eneloops for all application where I could use the longest LSD performance, such as remotes, radios, and so on. For anything else, I go to those batteries that offer the most mAh, like Powerex 2700's or something similar. I don't bother with anything else that falls somewhere in between these two.

In my opinion, XX batteries are created and marketed by Sanyo simply because they have to after such a huge success with the original eneloops and all the hype that has developed around it. They'd be foolish not to. With the XX, they pushed the mAh but only at the sacrifice of LSD. Most consumers wouldn't know, anyway, and they'd spend their money on these newer eneloops thinking that they do provide greater power at the same LSD rate when in fact it doesn't. On paper, 75% vs. 80% might seem not all that significant, but I believe there is, albeit I haven't done a side by side comparative test. The fact of the matter is that people buy eneloops for their LSD performance for applications that call for alkaline-like performance, and the original eneloop does that best so why spend more money on something that's neither the best LSD nor offers the most mAh?

SYS wrote in post #16596913
I don't know why you're multiplying the LSD rate with mAh. Regardless of the stated mAh, 75% LSD rate of the XX batteries loses juice faster than 80% of the LSD rate of the original white eneloops.

But won't that tell you the remaining capacity at one year on the shelf? Say you have a Mack truck and a Camry. The Camry starts out with 20 gallons of gas and gets 30 miles to the gallon. The Mack truck only gets 10 miles to the gallon, but starts out with 100 gallons of gas. The Mack truck will go longer between fill-ups.

SYS wrote in post #16596913
Now, if you don't really care about the LSD factor and you just want more flash pops, then XX batteries would be better than the original white eneloops simply because higher the mAh, more the flash pops. But then, why purchase XX batteries when there are much better performing batteries in terms of higher mAh, such as Powerex 2700's, and probably at a lower price, too?

I use my batteries sporatically, and usually have time to charge them before an event. I do like to keep some pre-charged batteries on hand though for back up in case I forget, don't have time, etc., so I have been using the white Eneloops and Powerex 2700's. Like some others, I'm finding that the Powerex 2700s don't seem to allow many recharge cycles. Even with only sporatic use and a MH-C204W charger, they seem to go bad in about a year. Now I have a MH-C9000 charger which allows for reconditioning, but I don't think that others have found that this makes a difference. So now I'm thinking that the Eneloop XX at 2500 mAh are nearly the same capacity as the Powerex 2700s and may provide more years of service. With this current deal the price is nearly the same with the Powerex at $13.90.

SYS wrote in post #16596913
The battery technology is such that you can't have BOTH the highest mAh AND the longest LSD in a single NihM cell. Things will change eventually, but currently the "sweet spot" where the power of mAh and the longest LSD performance come together is in those original white eneloops.

So the question is what batteries to use for what applications. I always go for the original white eneloops for all application where I could use the longest LSD performance, such as remotes, radios, and so on. For anything else, I go to those batteries that offer the most mAh, like Powerex 2700's or something similar. I don't bother with anything else that falls somewhere in between these two.

In my opinion, XX batteries are created and marketed by Sanyo simply because they have to after such a huge success with the original eneloops and all the hype that has developed around it. They'd be foolish not to. With the XX, they pushed the mAh but only at the sacrifice of LSD. Most consumers wouldn't know, anyway, and they'd spend their money on these newer eneloops thinking that they do provide greater power at the same LSD rate when in fact it doesn't. On paper, 75% vs. 80% might seem not all that significant, but I believe there is, albeit I haven't done a side by side comparative test. The fact of the matter is that people buy eneloops for their LSD performance for applications that call for alkaline-like performance, and the original eneloop does that best so why spend more money on something that's neither the best LSD nor offers the most mAh?