Backup battery — A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible … Wikipedia
Battery room — Telecommunications/Computing A battery room is a room in a facility used to house batteries for large scale custom built backup power systems. These batteries are usually wired together for 12, 24, or 48 volt supplies primarily for… … Wikipedia
uninterruptable power supply — backup system that operates using a battery and is used in case of an electrical failure to a computerized system … English contemporary dictionary
Uninterruptible power supply — A small free standing UPS … Wikipedia
Electric vehicle battery — Further information: Rechargeable electricity storage system For the starting, lighting and ignition system battery of an automobile, see Automotive battery. A Mitsubishi i MiEV having its batteries installed in Japan … Wikipedia
Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy … Wikipedia
Nickel–iron battery — specific energy 30[1] −50[2] Wh/kg energy density 30[1] Wh/l specific power … Wikipedia
Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… … Wikipedia
Nickel-iron battery — Batteries EtoW=50 Wh/kg [http://www.mpoweruk.com/specifications/comparisons.pdf mpoweruk.com: Accumulator and battery comparisons (pdf)] ] EtoS= PtoW=100 W/kg CtoDE=65% [http://www.mpoweruk.com/nickel iron.htm Mpower: Nickel Iron Batteries] ,… … Wikipedia
uninterrupted power supply — (UPS) Typically, an auxiliary battery backup which supplies continuous power in the event of a power loss … IT glossary of terms, acronyms and abbreviations
uninterruptible power supply — (UPS) Typically, an auxiliary battery backup which supplies continuous power in the event of a power loss … IT glossary of terms, acronyms and abbreviations