Subject: | [Spridgets] Power supply needed |
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From: | refisk at chartermi.net (Rick Fisk) |
Date: | Sat, 3 Mar 2012 18:46:03 -0500 |
References: | <CABQj3r-307ueyLki9HyM4V96mz+pCKLYCWLXO2FngW4Fa91r+Q@mail.gmail.com> <CAEAAx7-p4yNrqb9EemiuaU0Cn74Xkirqesi+mELFAXdbBfZPXA@mail.gmail.com> <08431EF91CC84900A5DDFADCB48DB3F9@Home> <CABQj3r_fehbQcYt+qLarUUn4UdCa=BVrz-MZm3U_SnxybxYv3A@mail.gmail.com> <03bc01ccf977$d2df5d60$789e1820$@cox.net> <CABQj3r-LV4Q61uLNy_103+NYEqOmhZYezDUMbc+x7izpDGjRGQ@mail.gmail.com> <CAMyxPELQFOMfKoOHa7=dMFsHh-nbjqeMOW+m2=i20W7sMQ=9mg@mail.gmail.com> <2B81E8D818F84CA6AE3E1682DC815C6A@Home> <CAEAAx7-wVws=qH5crtwgeN35WZjERJ_QzXr0yB4LLLEY1yR2jg@mail.gmail.com> |
That's not true if the transformer is being used to directly charge a battery. Battery packs have a current discharge rating and have to be recharged at a specific rate. For example, a couple of my RC radio packs have a current rating of 3600 mah. The charging rate for these packs is 11 hours at 360 ma. If you charge at a higher rate the battery may be damaged. If an electric device is supplied with a 300 ma transformer to be used as a power supply then you're right Derf. Any size transformer equal to or greater than 300 ma will work just fine. Rick Sent from my keyboard On Mar 3, 2012, at 6:34 PM, derf <derf247 at gmail.com> wrote: > The device will only draw what current it wants. A 700mA power supply > will work fine in place of a 300mA power supply. > ------------------------ |
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