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Nickel metal hydridevs lithium ion

s/he-told-me-NO. Is done similar to the normal sign for "no" except that it starts off toward the right and moves in toward your body.

Nickel metal hydridebattery

The sign "NO" can use either a polite double motion or a more firm or definite single motion.  It is also directional in nature--meaning, if I hold my hand off to my right and I point the palm toward myself while doing the sign, it can mean "He told me no."

Aa nickel metal hydriderechargeable battery

In summary, while both AA and NiMH batteries serve similar functions, NiMH batteries offer the advantage of being rechargeable, having higher capacity, and being more environmentally friendly due to their reusability. However, they may have a higher initial cost and a slightly faster self-discharge rate compared to disposable AA batteries.

Notes:  Some signs like NO have a spectrum of meaning with nuances in meaning that can be expressed via changes in the sign. If NO is done with a single forceful movement it becomes "NO!" If done gently three times using a small movement and a caring but sorry facial expression it means "no, no, no" as if telling a baby in the nicest way possible that a certain behavior is not desirable. If done twice with a typical (fairly small but obvious) negative head shake the sign NO is generally considered considered to be the "normal" version (or the "dictionary" / "unmarked" version of the sign).

Aa nickel metal hydridereview

AA (Double-A) batteries and NiMH (Nickel Metal Hydride) batteries are both types of rechargeable batteries, but they have some differences:

Chemistry: AA batteries are available in both rechargeable and disposable forms, with disposable ones typically using alkaline chemistry. NiMH batteries, on the other hand, are specifically rechargeable and use nickel metal hydride chemistry. Capacity: NiMH batteries generally have a higher capacity compared to standard disposable AA batteries. This means they can hold more charge and provide longer usage times between recharges. Rechargeability: While both types can be rechargeable, AA batteries are commonly found in both disposable and rechargeable forms. NiMH batteries are designed specifically for rechargeability and can be recharged hundreds to thousands of times, depending on the quality and usage. Memory Effect: NiMH batteries are less prone to the memory effect compared to older rechargeable battery technologies like NiCd (Nickel Cadmium). Memory effect is when batteries gradually lose their maximum energy capacity if they are repeatedly recharged before being fully discharged. NiMH batteries can be recharged at any time without significantly impacting their capacity. Self-discharge: NiMH batteries have a higher self-discharge rate compared to disposable AA batteries. This means they can lose their charge more quickly when not in use. However, newer low self-discharge NiMH batteries are available, which retain their charge for longer periods when not in use. Cost: Initially, NiMH batteries can be more expensive than disposable AA batteries. However, considering their rechargeability and longevity, they can be more cost-effective in the long run, especially for devices that require frequent battery replacement.