Originally Posted by darklordjames
Any rechargeable Ni-MH battery that is labeled as "pre-charged" or "ready to use" operates within 5-10% of any other pre-charged Ni-MH battery. Grab whichever one is cheapest and run with it. At this point, anyone buying the older style of Ni-MH battery that is not of the pre-charged variety is a sucker. Anyone recommending that that is the type of battery that you should be purchasing is either lying to you, or rather ill-informed.
I wouldn't completely agree with that. Low-discharge batteries are great for some uses, and for storing on the shelf, but standard NiMH batteries have their uses, also. First, they're cheaper. Second, they usually have higher capacities, so they can last longer in high-drain uses as long as they're charged shortly before use. For camera use, I prefer regular NiMH batteries, for example, since I want to maximize how long they'll last without having to swap them for a fresh set. That requires thinking ahead though, and charging them a day before using them.
This thread started with the question of batteries for the Xbox controller. I love the fact that Microsoft incorporated standard AA batteries in these units, so that any rechargeable can be used with them (thank you, Microsoft!). If you use the controller on a regular basis, say weekly, and keep a pair in a trickle charger, there's no real advantage of low-discharge batteries. If nothing else, you can swap out batteries just before sitting down to play.
It's up to individual users to buy what works best for them, but I wouldn't label someone as a sucker for purchasing the old-style batteries. Generally, if it's something that you use everyday or for high-drain uses, you may be better off with standard NiMHs. I'd put digital cameras, remote controls, X-box controllers, and wireless mouses in that category. Just make sure that you have a set charging at all times, and you'd be fine.
For devices that are only used occasionally, such as flashlights, label-makers, etc., or for just sitting on the shelf waiting to be used, the low-discharge versions are much better.