I guess I always assumed that musical instruments that needed electricity were plugged into an AC outlet. Apparently, there are lots of the items that get power from batteries of one sort or another. Sanyo has announced a new battery pack for musicians.

The pack is called the Sanyo eneloop music booster and the device is a rechargeable DC 9V battery unit for music devices. Inside the case is a rechargeable lithium-ion battery with 7.35Ah of power. The device has two outlets for two musical devices at once.

Sanyo’s Eneloop Wiimote charger hit last year. It was the first to be officially approved by Nintendo and it allowed charging while your thick rubber covers were still in place, which is cool, but it quickly became obsolete by the Motion Plus.

Sanyo now has a solution. That solution is to buy a brand new charger. This new one does exactly the same thing, it just has some extra room at the bottom for the motion-plus. The device is USB-powered and charges using induction, so no contact is required. And this one will hold a pair of Wiimotes instead of just one.

We’re used to seeing our gadgets come in a variety of colors, but rechargeable batteries are generally dull and boring. Not anymore. Sanyo’s latest Eneloop Tone batteries introduce bright colors that they hope will entice you to buy some.

Sanyo’s Eneloop batteries are capable of being charged about 1500 times, and are sold already charged up without losing much of their original charge by the time they get to you.

Sanyo’s line of Eneloop batteries are as green a battery as you will find and they have some more improvements to make them even more Earth friendly. These newly upgraded Eneloops can be recharged around 1,500 times, which is said to be a new record for the industry.

The batteries come pre-charged from the factory using clean energy from renewable solar power. If we had to guess, we would say that the other big names in batteries are watching very closely indeed.

We love the Wii, but we hate throwing away batteries. It’s not good for the environment and it’s costing you a lot of money. That’s why Sanyo is offering the Eneloop charging station with a battery pack replacement for your Wii remote and a charging base that holds up to four controllers.

Your remotes will charge in 220 minutes and the cool thing is that they charge in order, one after another so you don’t have to wait to play. It’s priced at $73 and is an import, but I’d be surprised if this didn’t show up in North America very soon. Go get the calculator and add up how much you’ve already spent in batteries. This is a real bargain.