SuperCap 9V battery - hack a day - www.hackaday.com _
December 6th, 2005 Posted in General
SuperCap 9V battery - hack a day - www.hackaday.com _
Need to look at some more ultra caps. Might be a good lightweight alternative to batteries.
9V batteries are often found in devices that aren’t used very often. If you use a NiCd rechargeable battery you may find it completely discharged by the time you need it.