🔋 Rayovac Rechargeable 9-Volt NiMH Battery, 1-Count Package (Pack of 3) - Varying Packaging Included Review

WOW. I put these batteries in my vintage 1975 pocket football game and they worked. Imagine it's batteries that actually power food. Those batteries lasted a while too. They are also very good for powering anything that requires a battery. They also emit tiny electrical discharges when you touch the ends of the battery with your tongue. Football watches, protection watches and tiny electric shocks. PRICELESS!

I wanted some 9 volt batteries for my stun gun. I only realized when I bought them that they are a bit larger than other batteries like the Energizer. Normally this slight increase isn't a problem, but I've found that it fits the stun gun snugly. I've had them for about 6 months and they only need to be charged once a month so they last at 3 years. Overall I am happy with its quality but would like to know about the RAYOVAC 9 volt oversized batteries. I'm wondering if other types of AA, AAA…

Yes, there is a lot to say about batteries. There are several types out there. This 9 volt cell is Nickel Metal Hydride (NiMH) chemistry. We use this cell for our wireless PA microphones (both professional Shure transmitters). NiMH chemistry gives us the following advantages: (1) no gradual loss of power - the battery will deliver almost full current until it is discharged; (2) Delivers this power for a relatively long period of time - we can easily power the device for 90 minutes; (3) No…