Best Car Battery Charger Review 2018 | Portable Car Battery Charger

Best Car Battery Charger Review 2018 | Portable Car Battery Charger

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12V 24V 10A Automatic Generator Engine Battery Charger for Diesel Genset


This Intelligent battery charger is specially designed for Lead-acid battery,it is the replacement and upgrade of the traditional charger.It can save the energy more than 30% and lasten the life of Lead-acid battery over 50%.

It can work between AC160~280V,AC80~280V and many other voltage ranges.Working frequency is 20~100Hz, temperature range is -20°C~+65°.



How to Make Automatic 12V Lead Acid Battery Charger Circuit Board

Get 10pcs PCB boards for $2 & Big Shipping discount on First order:
In this video, I will show you how easy it can be to design your own Automatic 12V Lead Acid Battery Charger Circuit Board and have them manufactured professionally at JLCPCB is the largest PCB prototype enterprise in China and a high-tech manufacturer specializing in quick PCB prototype and small-batch PCB production.

You can use this circuit to charge12V 1A ~ 12V 7A Battery.

List of Components:
R1,R3 = 1K
R4,R5 = 1.5K
R6 = 10K
R7 = 1.2K
R2 = 1R5W
PR1 = 50K
Q1 = D882
D1 = 1N4732A
D2,D3,D4 = 1N4007
Relay = 12V
U1 = LM7815
5MM LED = Red,Green,Blue,Yellow
Alligator Clips = 2
Jumper = 1

I designed this circuit to charge your battery @ 70% to 75% only due to some safety reasons. If you want to make it for 100% charging, then remove the LM7815 and connect directly 18VDC supply and set tripping point at 15.8 ~ 16V. and always use 5 to 6 times lower charging current from the maximum value of battery current. i.e 1.2A for a 7AH battery.
*This circuit Has not any current limiting feature.(except 1R5W Resistor)
**This circuit is not 100% Perfect, but it is still very useful for hobby/DIY projects.
***Make it at your own risk.

Circuit Diagram:
PCB Gerber Files:


soldering kit:
Soldering Wire:
Soldering Paste:
Third Hand Tool:
Muktimeter :

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Best 12v Battery Charger !! Portable Car Battery Charger

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Best 12v Battery Charger


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Best 12v Battery Charger, portable car battery charger, jump starter, auto battery charger, 12v battery charger, 12v car battery charger, portable car charger, automatic battery charger, best car charger, car battery trickle charger, smart car battery charger, car battery tester,


4 in 1, 4v, 6v, 9v,12v battery charger

4 in 1, 4v,6v, 9v,12v battery charger

how to make 4v battery charger,
how to make 6v battery charger,
how to make 9v battery charger,
how to make 12v battery charger,


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Fully Automated Battery Charger I Have Been Using From Banggood

Fully automatic 12 volt battery charger from that I have been using. Read the full article:

This is an automatic 12 volt battery charger which can charge up anything from 7 Ah to 100 Ah batteries.

I am pleased with its light weight, small size and silence as it works.

I have been successfully charging up my supercapacitors as well as 7 Ah batteries on up to my large deep cycle boat battery.

This has charged up anything I throw at it with no problem. is the place to go for affordable products online. Everything I have used from their store has been high quality as well.

This is my first place to shop online now.

12V 6A Smart Fast Battery Charger:
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All Girls Garage: Charging Your Battery – NOCO Genius® G3500 Battery Charger

As featured on All Girls Garage, the NOCO Genius® G3500 is an UltraSafe® smart battery charger designed to fully charge and maintain 6V and 12V lead-acid batteries and 12V lithium-ion batteries. The G3500 is built for charging cars, boats, RVs, SUVs, diesel trucks, motorcycles, ATVs, snowmobiles, personal watercraft, lawn mowers, and much more. It can be used as a battery maintainer to keep both starter and deep-cycle batteries fully charged. It monitors battery activity for safe and efficient charging without any overcharge and complete with a built-in battery desulfator to rejuvenate underperforming batteries.

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Best Digital Automatic 20 Amps Battery Charger

Pakistan’s best 12 Volt Full Automatic Battery Charger (20 Ampere) that can work best on low voltage areas too, and this battery charger is the most valuable tool in saving the life of your battery.

With the use of microprocessor technology in this battery charger, your battery will never be overcharged and the trickle charge will always be maintained.


Fully Automatic 12 Volt 20 Ampere Battery Charger
Light Weight Microprocessor Chopper Technology
Auto Power Cut-Off on Battery Full
Reverse Battery + – Protection
Capable to Work on 140 Volts to 240 Volts
Ampere Regulator (For Slow and Quick Charging)
Digital Voltage Meter
Power On Off Button
Battery Charging Light Indicator
Battery Full Charged Light Indicator
Capable to Charge 5 Ampere to 250 Ampere Battery


12v battery charger circuit with auto cut off

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How To Make Six (6) Volt Dc Battery Charger Using Transformer At Home

Instruments :
1. Transformer (Output 9 Volt)
2. Capacitor (3300µF 25 Volt)
3. Diode
4. Resistance (1 KΩ)
5. Signal LED
6. Electric Cable
7. Soldering Iron