Having been in this field longer than your brother I think you may have not posed the correct question. We aren't taking about voltage but the amount of current a given battery technology can sink across a give load value. A circuit has the same amount of current flow as long as the ohm value of the load and the voltage of the source remain constant. However in a camera the load seen is high (low current) when only the metering is operating. When the motordrive kicks in the power source has to be able to increase it's current flow to power the startup torque and running of the motor. The only way to do this is to suddenly have the battery see a lower load (fewer ohms of resistance). Various battery technologies have different peak current supply capabilities. If the camera maker wants to use this as part of the protection circuitry of the camera they will specify a limited battery type for the camera. Using rechargeables is only a problem in the voltage area if the electronics need to run close to the voltage produced by x number of alkalines or other specified types. If the camera has power regulation down to a something like 4 volts from 4 AA alkalines then 4 NiCads at 4.8 will work. On the otherhand if the camera maker says not to use NiMH or Lithium-Ion batteries it generally means that prolonged use of higher current capable battery technologies will eventually burn out some of the electronics because they were using the source current limit as part of the design process. Especially if the manual says something like "use of battery types not specified can void the warranty". Kent Gittings
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Ryan Charron Sent: Wednesday, December 19, 2001 8:48 AM To: [EMAIL PROTECTED] Subject: RE: Rechargeable (2CR5) for PZ-1p Hello to All, My brother has been in electronics for over 25 years and he told me there is "No Way" that a rechargable could damage a camera motor. Rechargables always have a little less voltage than the regular batteries they replace. (1.25 volts to 1.5 volts for instance) To settle the issue, I have been using rechargables in my AA holder on my ZX5n and have had No Problems. A Rechargable Fan, Ryan Somebody wrote: > mentioned that the "hardness" (high current output under big drain) of > NiCd or big NiMH might damage the motor or something, is this really > true? Although I don't have this camera, I have made batterypacks for > almost everything photo-electric I have (mostly using old notebook > batteries, a friend tested them and selected the best for me, > suprising how they hold), so it's a curiosity-question. > > Good light, > Frantisek - - Check out Yahoo! Shopping and Yahoo! Auctions for all of your unique holiday gifts! Buy at http://shopping.yahoo.com or bid at http://auctions.yahoo.com - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org . ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com ********************************************************************** - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
