Mobile company: With base the station is given priority to with accumulator, every base the station reserves to two groups accumulator, basically be 2V, 300AH, 400AH, 500AH, every groups 24; The computer room is commonly with accumulator: Group of batteries of 1000AH, 2000AH, 3000AH, every groups 24;

UniCom company: With base the station is given priority to with accumulator, every base the station reserves to two groups accumulator, basically be 2V, 300AH, 400AH, 500AH, every groups 24, the computer room is commonly with accumulator: 1000AH batteries group;

The net tells company and telegraphic company: Basically receive a site to use for computer room and each, according to each site size different and main component is two kinds:
The first kind: Relatively high-power site uses batteries form, basically be 2V, give priority to with 500AH and 1000AH, also have group of batteries of 200AH, 300AH, 1200AH, every groups 24;
The 2nd kind: Lesser power site uses batteries form, basically be 12V, give priority to with 100AH and 200AH, also have group of batteries of 65AH, 38AH, every groups 4; Every base the station has much group, it is 2-6 group commonly;

Financial system: With doing business site UPS power source is given priority to with batteries, give priority to with 12V, 100AH and 65AH, general every site is 2-4 group.

Power system: Give priority to with batteries group with transformer substation, it is 2V commonly, 200AH, 300AH, 400AH, 500AH, every groups 110, it is with transformer substation of 110 thousand bend over fiducial, some of bigger transformer substation is two groups; The transformer substation with lesser dimensions also has 12V, 100-200AH, 18 series connection. Additional, electric power attempers center, communication only net, the power plant also a lot of reserve or control uses accumulator form.

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