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Last Updated: Oct 28th, 2005 - 08:10:44 |
ABOUT NiMH RECHARGEABLE BATTERIES
NiMH Rechargeable Batteries can be an economical alternative to primary batteries and are most appropriate for devices requiring consistent, high power output. Nickel-Metal Hydride (Ni-MH) and Lithium Ion (Li Ion) Rechargeable Batteries are amongst the most advanced rechargeable battery systems commercially available today. They offer several advantages over ordinary nickel-cadmium batteries, including up to 40 percent longer service life.
Ni-MH Rechargeable Batteries are available in a range of sizes designed to fit the most popular models of Digital Cameras, and Camcorders. Several top brands of rechargeable batteries are available that are interchangeable with either standard AA, AAA, C, D, 9V, CRV3, CR123A, and other types of batteries.
High capacity Ni-MH rechargeable batteries can replace Ni-CD rechargeable batteries in many devices because they operate on the same voltage and possess similar power and fast charge capabilities, while offering the advantage of greater energy density. In portable electronic devices such as hand-held Digital Cameras and compact camcorders, Ni-MH Rechargeable Batteries optimize equipment performance.
Similar to alkaline batteries, rechargeable batteries have four basic components - a positive electrode (cathode during discharge), a negative electrode (anode during discharge), a separator, and electrolyte. But that's where the similarities end. The chemicals reactions that occur inside a rechargeable battery are reversible, allowing them to be recharged again and again.
WHICH RECHARGEABLE BATTERY FOR YOUR DEVICE?
The more energy your device requires, the more performing the rechargeable battery must be. The mAh determines the capacity or the run-time the rechargeable battery can provide you. The higher the mAh, the more run-time you get out of your device.
For High Tech devices, you will need higher mAh rechargeable batteries and for standard devices, low mAh capacity is sufficient.
RECHARGEABLE BATTERIES TIPS & TRICKS
• Always charge your rechargeable batteries before the first use. The rechargeable batteries get discharged during storage and will not be full for the first use.
• Never mix rechargeable batteries of different brand and mAh capacity in your device or battery charger.
• Never try to recharge alkaline, carbon zinc or even lithium batteries. Only NiMH and NiCd rechargeable batteries can be recharged safely.
• Rechargeable batteries always get warm during the charging process. Always keep them out of the reach of children.
• NiMH rechargeable batteries don’t need to be completely discharged before recharging. Only NiCd rechargeable battteries do as they have a “memory effect”. To avoid this effect, you can discharge the battery fully in your device every 10 charges or when the run-time between chargers is significantly shorter. Please note that his is true of good quality name brand rechargeable batteries.
• All Rechargeable batteries gradually discharge whether they are used or not. The discharge rate of a NiMH is approximately 1% a day at room temperature. At higher temperatures - above 75 degrees -, the loss may be greater. For example: 1700 mAh x 1% = 17 mAh / day. Naturally at temperatures between 40 and 75 degrees the loss is slighty less.
• Always check if the battery charger can charge the chemistry of your rechargeable battery. While a battery charger may be able to charge another chemistry rechargeable battery, it can damage the rechargeable battery and reduce the number of charging cycles of your rechargeable battery if it is not designed for the specific chemistry or rechargeable battery.
Check out one of our supporters - Thomas Distributing for more information and good prices on rechargeable batteries.
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