The post elaborately explains 3 automatic intelligent single chip CC/CV or constant current, constant voltage 3.7V Li-Ion battery charger circuits, using IC TP4056, IC LP2951, IC LM3622, with battery temperature sensing and termination facility. Design#1 CIRCUIT DESCRIPTION The first design is probably the smartest one, incorporating the IC TP4056 which is a comprehensive constant-current (CC), […]
Search Results for: battery charger
Multiple Battery Charger using Dump Capacitor
In this article we will try to build an automatic battery charger circuit using dump capacitor concept for self detecting and charging a multiple set of batteries. The idea was requested by Mr. Michael. Requesting a Dump Capacitor Charger Circuit My name is Michael and live in Belgium. I found your site thru google during […]
High Current Wireless Battery Charger
In this article we learn regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept. Introduction In many of my earlier articles I have comprehensively discussed wireless power transfer, in this article we will go a step ahead and try to learn how to design […]
Universal Battery Charger with Fixed Resistors
This universal automatic battery charger circuit is extremely versatile with its functioning and can be adapted for all types of battery charging and even for solar charge controller application. Universal Battery Charger Main Features A universal battery charger circuit must have the following main features included in it:1) Automatic battery full charge cut-off, and automatic […]
Opamp Low High Battery Charger
The post discusses a two opamp low high battery charger controller circuit which is not only accurate with its features but also allows a hassle free and quick setting up of its high/low cut-off threshold limits. The idea was requested by Mr. Mamdouh. Battery Charger Using 2 Opamps I’ve got the idea, please bear with […]
18V Cordless Drill Battery Charger
In this post we learn how to build and use a 18V battery charger circuit for a cordless drill machine. The idea was requested by Mr. Chibuzo. Technical Specifications I can see your are a very busy person and my concern may be pretty trivial. Kindly accommodate me. Here is the issue. I don’t have […]
Camper, Motorhome Battery Charger
The post explains a battery charger circuit specifically designed for camper and motorhome applications, so it can serve as an effective camper/motorhome battery charger circuit operating through any shore power supply source. The idea was suggested by “music girl”. Battery Charger for Motorhomes Based on this customized battery charger circuit I would like to see […]
How to Make a Battery Charger using Triacs – Assembly and Working Details
The post explains a simple a battery charger circuit using a triac auto shut-off facility. The circuit can be used for charging any high current, high AH types battery with a full-charge auto cut-off feature. The idea was requested by Mr. Rakesh Parmar. Using Triac Instead of Relay In one of the earlier posts we […]
High Voltage Battery Charger
The post details a simple automatic High Voltage Battery Charger Circuit which can be used for an automatic charging control of any preferred high voltage battery bank such as a 360V battery bank. The idea was requested by “resonance”. 360V Battery Charger Circuit I found all your circuit and projects interesting but please I need a […]
12V Automatic Battery Charger with 4 LED Indicator
A lead acid current controlled automatic 12V battery charger circuit with 4 LED indicators can be learned in the following post. The design also includes a 4 level charging status indicator using LEDs. The circuit was requested by Mr. Dendy. 12V Battery Charger with LEDs I would like to ask and look forward to you […]
Emergency Incubator Heater Circuit with Battery Charger
The post discusses a 12V power supply with battery charger circuit which can be implemented as an uninterruptible emergency heating system for incubator chambers. The idea was requested by Mr. Arya. Technical Specifications I’ve read all your good article, but can you help me to design an Linear PSU that provide 12 vdc 5A output […]
Solar, Wind, Hybrid Battery Charger
The article explains a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs and one output. […]
Designing a Customized Battery Charger
I have designed and published a variety of battery charger circuits in this website, however the readers often get confused while selecting the right battery charger circuit for their individual applications. And I have to explicitly explain each of the readers regarding how to customize the given battery charger circuit for their specific needs. This […]
PWM Solar Battery Charger
This simple, enhanced, 5V zero drop PWM solar battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers quickly, basically the circuit is capable of charging any battery whether Li-ion or Lead acid which may be within the 5V range. Using TL494 for […]
High Current Li-Ion Battery Charger Circuit
The post explains a high current Li-Ion battery charger circuit which can be used for charging any high current, high AH rated Li-ion battery from a car or a truck battery. The idea was requested by Mr. Neil Charging a 8800 mAh Li-Ion Pack This is perhaps very cheeky of me to ask for […]
Self Optimizing Solar Battery Charger with Buck Converter
The post discusses a simple IC 555 based self optimizing solar battery charger circuit with buck converter circuit that automatically sets and adjusts the charging voltage in response to the fading sunlight conditions, and tries to maintain an optimal charging power for the battery, regardless of the sun ray intensities. Using a PWM Buck Converter […]
Lithium Polymer (Lipo) Battery Charger
The post explains a simple lithium polymer (Lipo )battery with over charge cut off feature. The idea was requested by Mr. Arun Prashan. Charging a Single Lipo Cell with CC and CV I came across your work on “Bicycle Dynamo Battery Charger Circuit” in Homemade circuit design blog. It was really informative. I would like to […]
Battery Charger for Positive Earth Cars
The post presents an 6v or 12v battery charger circuit for positive earth cars which could be used for upgrading 6V positive earth cars, facilitating an external 12V battery to be used in them along with the existing 6V battery with a common positive earth body. The idea was requested by Mr. Joe Ceretti. 6V […]
Parallel Battery Charger with Changeover
In this post we learn about a parallel battery charger with changeover circuit using SPDT switches to charge multiple batteries individually or collectively which may be connected in parallel using a single battery charger and through a manual SPDT changeover switch bank. Simulation and Working Referring to the following diagram, the configuration shows four batteries […]
Solar 6V Battery Charger with Over Current Protection
In this post we learn regarding a simple 6V battery charger circuit with over current protection, which could be used in conjunction with a solar panel, or an AC/DC adapter input. The circuit also includes a 4 stage battery status indication feature, an over current controller stage, automatic switch OFF for the load and battery […]