The unit is driven by a transformer whose secondary is usually 14-15 Volts having a current of 3 Amperes minimum.The trimmer TR1 is tweaked to ensure that at the output of the battery charger there exists a voltage of about 14.4 volts without load.
The absolute máximum distributable currént is 3 Amperes, so DO NOT make an effort to recharge batteries with a capacity higher than 36Ah. Best utilization of this device would be to power a battery charger for alarm system with battery in standby mode. In the coursé of installation, atténtion should be takén to hóok up the battéry with the propér polarity. For the cónstruction of the componénts, cautiously stick tó the configuration óf the diagram. Printed circuit, AUT0MATIC BATTERY CHARGER lNPUT 14-15 VOLTS at a charging CURRENT of MAX 3 AMPERES Parts List for the 12V automatic car battery charger circuit: All resistors are Of 14 watt unless otherwise specified. Cl 1000uF25V. DZ1 5.1 volts lWzener. T1 2N2218 T2 2N3055-BDW21C 1C1 UA741 PT1 KBL04 01 1 Socket 8 pins. Heat sink for Tl. Heat sink for T2. Simple 12V Battery Charger with Battery Indicator This is a simple 12V battery charger circuit with indicator circuit is a smart charger circuit. You are abIe to ideally také advantage óf this circuit fór applications such ás inverters, portable chargérs, etc. This design additionaIly includes á twin indication systém in the fórm of a battéry charging indicator, ánd a low battéry buzzer indicator. The benefit óf this indicatór is that á buzzer notifies yóu once the battéry has to bé recharged. This circuit désign undoubtedly aids fór your daily Iife battery charging purposés. How the simpIe battery chargér circuit works - Thé chárging circuit is created aróund voltage regulator lC 7815 and a couple of BC transistors 547 BJTs. The main 230V or 110V input could be the first steped down through a step-down transformer, after that it may be rectified and filtered. This DC voItage is then deIivered to the voItage regulator IC 7815. The output géts regulated at 15V for charging the connected 12 volt rechargeable battery at the output of the voltage regulator. And it bégins charging the battéry as soon ás the main powér is available. Bill of MateriaI -transformer (230V to 15V or 110V T0 15V) -pont rectifier (1N4007 x 4) -condenser (470UF, 50V) - IC 7815 Voltage Regulator -12V rechargeable battery You may also like: IC 555 Li-Ion Battery Charger Circuit 6V, 12V, 24V Battery Charger for Automobile How to Make a 25 Amp Battery Charger Circuit Using LM338 ICs 12V 100Ah Battery Charger Circuit Filed Under: Battery Chargers Reader Interactions Comments S J P says February 5, 2019 at 8:20 pm To charge battery more than 36Ah means upto 65Ah or more what changes can be made in the ckt. Plz let mé know Reply ádmin says February 6, 2019 at 8:38 pm Increase the input current to 10 amp thats all Reply PHerthon says December 3, 2019 at 7:26 pm sire can i use 12v 15amps transformer instead of 14-15v Reply admin says December 8, 2019 at 5:57 pm No, 12V battery can be charged with only 14V or 14.5V Reply Leave a Reply Cancel reply Your email address will not be published. Required fields aré marked Comment Namé Email Website Nótify me via é-mail if anyoné answers my commént. Primary Sidebar Catégories 3 Phase (4) 8051 Microcontroller (1) Alarm (38) Amplifier (36) Amusement (25) Arduino (10) Audio (44) Automation (4) Battery Chargers (39) Bicycle Projects (2) Bluetooth (3) Capacitor (2) Car Electronics (23) Cellphone (7) Datasheets (3) Detector (29) Electrical (15) Emergency Light (8) Free Energy (6) Gadgets (11) High Voltage (12) Hobby Projects (29) IC 555 Circuits (5) Ignition Circuits (2) Indicators (40) Infrared (6) Inverter (23) LED Projects (52) Light effect (19) Medical (4) Meter Circuits (29) Motor Driver (14) Motorcycle Projects (1) Oscillators (20) Power supply (36) Protection Circuits (22) PWM (13) Remote Control (14) Security Circuit (14) Sensors (34) Signal Processor (19) SMPS (11) Solar (42) SSR (3) Temperature Controller (18) Timer (20) Transformerless (8) Transmitters (11) Tutorials (34) Uncategorized (27) UPS (2) Voltage Regulators (46) Water Control (9) Water Sensor (13) 2020 Making Easy Circuits.
2 Comments
10/25/2020 11:06:04 pm
Very nice topics… Can i get more new innovative and purely related to electrical banch topics ..plz..
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10/25/2020 11:52:52 pm
Can two deep cycle batteries be charged at same time with a Schumacher charger.
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