Cordless phone batteries are exclusively designed for each cordless phone brand and model. Cordless phone batteries are portable rechargeable batteries. These portable rechargeable batteries include nickel-cadmium (Ni-Cd), nickel metal hydride (Ni-MH) and lithium-ion (Li-Ion) cells. Several types of rechargeable battery systems, including those of lead–acid, nickel–cadmium, nickel–metal hydride, lithium ion and lithium-ion polymer exist in the market. The rechargeable batteries most extensively used in cordless phones are nickel cadmium (Ni-Cad) batteries and Nickel metal hydride (Ni-MH) batteries. Nickel metal hydride batteries and Nickel metal hydride batteries are interchangeable in cordless phones.
Nickel Cadmium batteries are one of the most proven and historically most widely used rechargeable batteries. Nickel cadmium batteries are durable. Nickel Cadmium batteries are very dependable and robust. But the Nickel Cadmium batteries have relatively low capacity when compared to other rechargeable batteries. Nickel Cadmium batteries are not environmentally friendlier since they contain cadmium. You can improve the life of your NiCad battery by the following way: Remove any static charge that may have built up during shipping by turning on the phone and let the battery drain for about 12 hours. Then be sure to charge the phone for at least 8 hours. For long-term performance, completely drain the battery and recharge it once in every three months.
Phones with Nickel metal hydride batteries that have greater capacity and do not have battery memory syndrome are better. The Nickel metal hydride batteries take about as many recharges as Nickel metal hydride batteries. The Nickel metal hydride batteries are durable and do not develop memory problems. Nickel Metal Hydride batteries are interchangeable with most Nickel Cadmium batteries. The Nickel Metal Hydride batteries generally deliver 10-25% greater capacity than Nickel Cadmium batteries. The Nickel Metal Hydride batteries are environmentally friendlier than Nickel Cadmium batteries since they do not contain cadmium.
Lithium Ion (Li-Ion) battery is one of the newer rechargeable battery technologies used. Lithium Ion batteries are one of the lightest rechargeable batteries available today. Lithium Ion batteries can deliver 40% more capacity than comparably sized Nickel-Cadmium batteries. Lithium Ion battery technology is one of the more expensive rechargeable battery technology.
A rechargeable battery having accurate and reliable state-of-charge (SoC) will improve the performance and reliability, and will ultimately lengthen the lifetime of the battery. Quality cordless phone batteries can boost the performance of your cordless phone handset by giving longer battery life for increased talk time and longer standby time away from the charging cradle. Even though newer battery types may not have the memory problems, all batteries may wear out eventually after repeated recharging.
Generally, in order to improve the life of the Cordless phone batteries , clean the charge contacts on the base and the handset with a pencil eraser once in every month. Also completely discharge the battery and then recharge it once in every month. If the battery does not recharge, replace it.
The need to regularly recharge batteries used in cordless phones and mobile phones may be eliminated in the future with the use of fuel cells which are one type of electrochemical cell. STMicroelectronics has developed fuel cells that are reportedly small enough to fit inside a cordless phone or mobile phone handset and are able to generate all the electrical energy needed to power the phone from liquid methanol, a low-cost and easily available organic fuel.
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