APC Back-UPS ES 500

May 21, 2004 1 Replies

It says the output current on the Backup part is:


120V~, 60Hz, 2.9A
120V~, 60Hz, 4.2A

Totalling 7.1 Amps.



Would it be possible to have to batteries in Parallel and increase the current output and/or the running time?



And if it would.... would this cause problems for the charging circuit?



Thanks,



Nic


Putting on more batteries in parallel will allow for longer running time during a power outage. When putting on a battery assembly with a higher current output, the charging current will also be increased. The charger in the UPS will have to be rated to support the increase. The proper solution is to get a larger UPS.

The only way to increase the output current rating of the AC output, is to have a larger inverter output stage. This would be a major re-design of the UPS.

Jerry G. ===== "Robotnik" wrote in message news:BBrrc.40577$hH.796831@bgtnsc04-news.ops.worldnet.att.net... It says the output current on the Backup part is: 120V~, 60Hz, 2.9A 120V~, 60Hz, 4.2A Totalling 7.1 Amps. Would it be possible to have to batteries in Parallel and increase the current output and/or the running time? And if it would.... would this cause problems for the charging circuit? Thanks, Nic

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