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Evolution of Rechargeable NiMH Batteries

The widespread use of Rechargeable NiMH Batteries owes its roots to the early years of development of rechargeable battery technology. Read on for a few quick facts about these rechargeable batteries.

NiMH (nickel-metal hydride) batteries are rechargeable and do not suffer from "memory effect" that does not like NiCd (nickel-cadmium) batteries. You can also look for 3000mah+ lithium ion batteries online.

NiCd batteries must be completely discharged before charging or NiCd battery will suffer voltage drop across the battery starts charging point. NiCd battery will "remember" the point where the battery starts charging and will cause problems.

NiCd batteries clearly contained cadmium, a toxic heavy metal that is harmful. Cadmium can cause severe pollution of water, air and soil, if burned or buried by releasing toxic gases. Please recycle NiCd batteries!

NiMH batteries have a payload capacity differs depending on the type of battery. For example, NiMH AA batteries can range from 1100 – 2800 mAh (milliampere-hour). AAA batteries can range from 850 – 1000 mAh. The higher the mAh, the longer the battery can go between charges.

NiMH battery lifespan can be extended by charging the battery frequently and do not allow a full battery drain. NiMH batteries can typically be recharged between 500 – 1000 times depending on usage and how much of each battery is drained before recharging.

NiMH rechargeable batteries are excellent for digital cameras, MP3 players, portable game systems, PDAs, portable CD players and toys because these are high-drain devices that need to be recharged much.