12V Lead Acid Battery Charger Automatic Circuit

12V Lead Acid Battery Charger Automatic Circuit12V Lead Acid Battery Charger Automatic Circuit

# R2 will accept to be adapted to set the able accomplishment allegation voltage. Flooded and gel batteries are about answerable to 13.8V. If you are cycling the array (AGM or gel) again 14.5V to 14.9V is about recommended by array manufacturers. To set up the charger, set the pot to midway, about-face on the charger and again affix a array to it's output. Monitor the allegation with a voltmeter until the array alcove the able end voltage and again acclimatize the pot until the LED glows steadily. The charger has now been set. To allegation assorted array types you can arise the pot on the advanced of the case and accept anniversary position apparent for the adapted voltage.

# Q1 will allegation a heatsink. If the ambit is army in a case again a baby fan ability be all-important and can about be powered adapted off the achievement of D1.

# T1 is a agent with a primary voltage adapted to your area (120V, 220V, etc.) and a accessory about 12V. Using a college voltage accessory (16V-18V) will acquiesce you to allegation 16V batteries sometimes acclimated in antagonism applications.

# If the ambit is powered off, the array should be broken from it's achievement contrarily the ambit will cesspool the array slowly.

12V Lead Acid Battery Charger Automatic Circuit Part List:

Total Qty.
R1, R32330 Ohm 1/4W Resistor
R21100 Ohm 1/4W Pot
R4, R5, R7, R8482 Ohm 2W Resistor
R61100 Ohm 1/4W Resistor
R911K 1/4W Resistor
C11220uF 25V Electrolytic Capacitor
D11P600 DiodeAny 50V 5A or greater rectifier diode
D211N4004 Diode1N4002, 1N4007
D315.6V Zener Diode
D41LED (Red, Green or Yellow)
T1112V 4A TransformerSee Notes
F113A Fuse
S11SPST Switch, 120VAC 5A
MISC1Wire, Board, Heatsink For U1, Case, Binding Posts or Alligator Clips For Output, Fuse Holder

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