Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Idioms.
Related to batteries: Lead acid battery, Car batteries


Following is a summary of the characteristics of popular battery technologies. For more details, see lead acid, nickel cadmium, nickel metal hydride, lithium ion, lithium polymer, liquid metal battery, zinc air, CMOS battery and memory effect.

 CHARACTERISTICS OF RECHARGEABLE BATTERIESSelf                   Recharge         Dis-         Energy    Cycles    Fast   charge         Density   To 80%   Charge  Per Type    (Wh/Kg)*  Capacity  (hrs)  Month

  Cadmium   45-80    1500     1      20%

 Nickel Metal
  Hydride   60-120  300-500   2-4    30%

  Ion      110-160  300-500   2-4    10%

  Polymer  100-130  300-500   2-4    10%

 Lead Acid   30-50  200-300   8-16    5%

                    To 50%     Capacity
  Alkaline    80      50      2-3    0.3%

  Data courtesy of
  Cadex Electronics Inc. (

  * Wh/Kg = watt hours per kilogram

A Lot of Batteries
This roomful of lead acid batteries stands ready to drain itself entirely in less than a minute. It serves as interim power for a large datacenter between the time a power outage has been detected and the generators can come up to full speed.
References in periodicals archive ?
There are a few things you need to know before Hawker AGM batteries can be installed in your tank:
eneloop' is a product that proposes a new lifestyle - one without disposing of batteries.
market in 2000, technology has improved and the vehicles--as well as the batteries that power them--have become more affordable.
The auto club's Santa Clarita office is urging local motorists to scour garages, carports and yards for used car, truck, motorcycle, boat or airplane batteries, and to take them to a designated recycling site so that they do not endanger the environment.
While the number of portable electronic devices is on the rise, it is often the more environmentally harmful batteries that provide the power.
The goal now is twofold: to make batteries last longer and to find more environmentally friendly substitutes for their harmful components.
Compared to other consumer batteries, such as those used in cars or radios, the experimental sulfur-aluminum aqueous cell holds more energy per pound, discharges longer, weighs less, and uses fewer noxious chemicals, Licht told a meeting of the American Chemical Society in Chicago last week.
Thin film batteries use new materials created using nanotechnology to achieve components that are used to manufacture batteries 40 times more efficient than current batteries.
So inspect the batteries during PMCS and report any corrosion to your mechanic.
According to the Atlanta-based Rechargeable Battery Recycling Corporation (RBRC), the Act streamlines state regulatory requirements for collecting rechargeable nickel-cadmium and lead batteries and encourages voluntary industry programs to recycle them.
But researchers at the Israel Institute of Technology invented super batteries that could run CD players and flashlights - and say the new batteries also could come in the rechargeable forms needed to power video cameras, laptop computers, even electric cars.
5 billion batteries per year, most of which wind up in local landfills.