Maintenance-Free Sealed Lead Batteries with Immobilized Electrolyte - Construction with different Grid Type Plates and/or Tubular Positive Plates - Applications in Industry and in Civil and Military Communication Systems

This battery system is presently being manufactured with a capacity of 1 Ah to 110 Ah in grid type plate construction between 12,5 Ah and 200 Ah in Block design and with a capacity of 70 Ah to 1,350 Ah with tubular plates and has proved its efficiency in all kinds of battery-supported appliances, from the small portable equipment battery in cyclic operation to the big spare power supply installations in industrial standby/parallel/float operation. After having proved reliable for nearly 25 years in any kind of telecommunication equipment, from radiophone and burglar and fire alarm systems to uninterrupted power supply of most modern computers, this battery system, in special construction laid out for extremely long life, is presently being applied for glass fibre cable of the BIGFON pilot project (Wideband integrated glass fibre local communication network) carried out by the Deutsche Bundespost. Introduced in 1958, it was the first realy maintenance-free lead battery system in grid type plate construction on the market and was supplemented by a tubular positive plate construction in 1975, a development which took place by order of the German Ministry of Research and Technology and the Ministry of Defence. In Germany, it has been made a DIN standard, a military standard, and the draft of an international TEC standard has been presented.