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BMW Motorcycles. Originally an aircraft engine manufacturer at the turn of the last century and through World War I, BMW introduced the first motorcycle under its name, the R32, in 1923.

BMW Motorrad, a subsidiary of BMW, manufactures the motorcycles. Although BMW motorcycles have been long associated with their original engine configuration, the flat-twin or boxer engine, the company today manufactures a full line of motorcycles in a variety of engine and riding configurations.

There are currently four lines of BMW motorcycles: F & G series singles, F series twins, R series and K series. The series differ primarily in the class of engine that each uses.

BMW Motorrad achieved very good business performance in 2007 with record sales

Sealed batteries are known as maintenance free batteries. They are made with vents that (usually) cannot be removed. A standard auto or marine maintenance free battery is sealed, but not fully leak proof. Sealed batteries are not totally sealed since all batteries must allow gas to vent during charging. There are sealed lead acid (SLA) batteries that are non-spillable. Please information on our SLA batteries, see AGM and Gel batteries below.

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“A battery, can be any device that stores energy for later use. The word battery, is limited to an electrochemical device that converts chemical energy into electricity, by use of a galvanic cell. A galvanic cell is a fairly simple device consisting of two electrodes (an anode and a cathode) and an electrolyte solution. Batteries consist of one or more galvanic cells. ”

“A battery is an electrical storage device. Batteries do not make electricity, they store it. As chemicals in the battery change, electrical energy is stored or released. In rechargeable batteries this process can be repeated many times. Batteries are not 100% efficient - some energy is lost as heat and chemical reactions when charging and discharging. If you use 1000 watts from a battery, it might take 1200 watts or more to fully recharge it. Slower charging and discharging rates are more efficient. A battery rated at 180 amp-hours over 6 hours might be rated at 220 AH at the 20-hour rate, and 260 AH at the 48-hour rate. Typical efficiency in a lead-acid battery is 85-95%, in alkaline and NiCad battery it is about 65%.”

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