Rechargeable batteries explained
Batteries have become an integral part of our lives as technology advances and regardless of whether you use single use batteries or rechargeable batteries it is essential that you use them effectively so that you get the most out them. A rechargeable battery, also known as a storage battery is a group of one or more secondary cells. Rechargeable batteries use electrochemical reactions that are electrically reversible. Rechargeable batteries come in many different sizes and use different combinations of chemicals. Commonly used secondary cell or a rechargeable battery consists of lead acid, nickel cadmium (NiCd), nickel metal hydride (NiMH), lithium ion (Li-ion), and lithium ion polymer (Li-ion polymer).
Rechargeable batteries are available in USB type too. It can be charged with the help of USB ports. Every year over 15 billion batteries are produced and sold worldwide. Many are alkaline batteries which are discarded after a single use. Rechargeable batteries can offer economic and environmental benefits compared to disposable batteries. Proper selection of a rechargeable battery system can reduce toxic materials sent to landfills compared to an equivalent series of disposable batteries. For example, battery manufacturers of NiMH rechargeable batteries claim a service life of 100-1000 charge cycles for their batteries. The energy used to charge rechargeable batteries mostly comes from AC current (mains electricity) using an adapter unit. Most battery chargers can take several hours to charge a battery. Most rechargeable batteries can be charged in far less time than the most common simple battery chargers are capable of.
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