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Unclassified
Battery Charger Circuits, page 7
Battery Charges
Alkaline
Lead Acid
Lithium
Nickel
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Updated on:
Thursday, November 30, 2017 01:57 PM |
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Got Designs?
Please eMail if you want me to link to and/or post your original design. Thanks. |
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Links to electronic circuits, electronic schematics, designs for engineers, hobbyists,
students & inventors:
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Simple circuit indicates health of lithium-ion batteries -
14-May-09 Issue of EDN A simple inexpensive circuit quickly
indicates a battery pack's health.... [Design Idea by Fritz Weld,
Friedberg, Germany] |
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Simple circuit safely deep-discharges NiCd battery. - 04/29/99
Issue of EDN Nickel-cadmium (NiCd] batteries can possess an
undesirable memory effect due to partial discharges. The remedy is a
complete discharge before charging again. Figure 1a shows a simple circuit
that performs this feat....Page includes several designs. Scroll to
find this one.... [Design Ideas by Jim Hagerman, Science & Technology
International, Honolulu, HI] |
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Smart Battery Charger - This unit was constructed in the shell
of a Radio Shack battery charger. The original unit charged only one type
of battery at a time and only in pairs. This unit allows for mix and
match for AAA, AA, C, and D cells. Each battery is individually monitored
and charged. An LED for each one flashes to show the current charging
condition as follows.. [Copyright 2006 Luhan Monat] |
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Solar AA cell charger - This almost trivial circuit may be used to
charge a pair of AA or AAA sized rechargeable battery cells from sunlight. The
circuit has been used to keep a Palm Pilot and walkman radio running perpetually.
This is an unregulated charger, proper charging is achieved by placing the unit in
the sun for a known amount of time, this time varies according to the battery
type.... [G. Forrest Cook] |
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Solar Battery Charging - This instructable will show you how to make
your own solar battery charger from very simple components. It is taken from my
documentation provided with a kit I supply, you should easily be able to source
the same components yourself of course. ….(Circuit design added 11/08)
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Solar Cell Battery Charger - A Simple Regulator for Charging Lead Acid
Batteries from a Solar Cell.….(electronic circuit added 10/06) |
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Solar Cell Battery Charger/Monitor - ….must register on this site...
[Published in Elecktor July/August 2010] |
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Solar Cell Phone Charger - This little gadget uses a small 3 volt solar
cell to charge a 6 volt NiCad battery pack which, in turn, may be used to charge
many models of cell phones and other portable devices. The circuit "scavenges"
energy from the solar cell by keeping it loaded near 1.5 volts....(circuit added
05/05/05) |
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Step-up supply charges battery while serving load - 06/08/95 EDN-Design
Ideas The circuit in Fig 1 supports portable applications in which a
microprocessor controls battery charging. Step-up switching regulator IC1 boosts
VIN (5V]to supply a combination of charging and load current. (Note that the 5V
source must have short-circuit protection.]IC2 is a high-side current-sense
amplifier that monitors charging current....[Design Idea added 11/05]. [Design
Idea by Dana Davis, Maxim Integrated Products, Sunnyvale, CA] |
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Battery
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