From: ohland@charter.net   
      
   More guesstimation.   
      
   NiCd charges between 1.4 to 1.5 v per cell. The efficiency of the charge   
   is @ 83%.   
      
   So... 26 / 1.4 is @ 18. 18 * .83 is just shy of 15.   
      
   So... Maybe the 180W PSU battery is a 3x5 pack?   
      
   Louis Ohland wrote:   
   > How much voltage is used to charge a NiCd battery? The charger is rated   
   > for 26v, but what is the battery voltage?   
   >   
   > Louis Ohland wrote:   
   >> An internally mounted battery allows continuous operation through   
   >> brief main power interruptions (up to 10 (+/- 10%) seconds at full   
   >> load for a maximum of one occurrence per hour). The battery is   
   >> recharged automatically when the system is connected to normal AC power.   
   >>   
   >> Louis Ohland wrote:   
   >>> "continuous operation through brief main-power interruptions (nominal   
   >>> default of 10 seconds)"   
   >>>   
   >>> So the expected normular use of the battery pack is only expeculated   
   >>> to last 10 seconds. That is not the total capacity. Of course, the   
   >>> run time on the backup battery depends on the installed options.   
      
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