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24V Battery Charge Circuit

€250-750 EUR

Cerrado
Publicado hace alrededor de 5 años

€250-750 EUR

Pagado a la entrega
We need to develop a circuit to power a 24v DC device, with a backup battery for a few hours of autonomy. It must have a on/off switch, power LED and charge level indicator. For more details just ask!
ID del proyecto: 18941501

Información sobre el proyecto

37 propuestas
Proyecto remoto
Activo hace 5 años

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37 freelancers están ofertando un promedio de €523 EUR por este trabajo
Avatar del usuario
HI I am experienced electronics engineer with more than 8 years of experience. I can do it for you. I have designed the battery charging circuits before and can do it easily. Please share the further details I am sure I can do it for you Waiting for your reply to start Regards
€700 EUR en 10 días
4,9 (255 comentarios)
8,0
8,0
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Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, Plasma ARC power supplies, high frequency transformers design, solar grid tie transformers, electrical vehicles design, circuits design, multi-channel LED Drivers, Regulated power supplies design with universal input to DC output, Audio amplifier, drives design, Filters design for harmonic analysis and Power factor correction, SMPS, LED drivers, DC-DC, AC-DC converters design, PFC interleaved boost converter, Battery management system, Battery chargers, UPS design, sine wave Inverters, solar grid tie inverters, Solar battery chargers and street light systems design from few watts to KW range using Buck, Boost, and Buck –boost, Interleaved boost/buck, Fly back Push Pull and H-bridge inverters. I have very good experience to design high voltage power supplies up to 50KV for capacitor charging power supplies using soft switching topologies. I have work experience to design from few watts to KW range meeting all compliances like EMI/EMC and safety standards UL etc.
€888 EUR en 20 días
4,9 (61 comentarios)
6,7
6,7
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Hello my name is Maria, I would like to work in this project, I’m an engineer with plenty of experience working with Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout , I have made many PCB projects, I'm sure I can do a good work for you. Good communication with my clients it is a top priority for me. If you have any doubt or want to see more of my work I’ll be here. Contact me for more info.
€750 EUR en 10 días
4,9 (16 comentarios)
6,4
6,4
Avatar del usuario
Hi There, We will deliver design of working circuit. We will build the prototype to ensure proper working of circuit. Please feel free to contact us. Best Regards, Shahbaz.
€750 EUR en 30 días
4,6 (52 comentarios)
7,0
7,0
Avatar del usuario
Hi, I hope you are doing well. I have expertise in embedded system design and development. I have reviewed your requirements and would like to know current consumption. Looking Forward, Khawaja
€700 EUR en 10 días
4,8 (70 comentarios)
6,7
6,7
Avatar del usuario
Hi I am interested to your project. I am familiar with electronics, microcontroller as well as PCB design by Eagle. Thanks.
€333 EUR en 5 días
4,9 (93 comentarios)
5,9
5,9
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Hello We’re a new team on freelancer , but an old team on Upwork or PPH site. We done more project relative a industrial power supply such as : motor step driver, solar charging for vehicle, wind charging. So we hope that we can discuss more on this project . Please give me a time. Will make you satisfied . Have a good day
€250 EUR en 5 días
5,0 (13 comentarios)
5,4
5,4
Avatar del usuario
I can provide a circuit to power a 24VDC device for you. It will include a converter, wire sizing, battery type and sizes including amp hour calculations. I can also provide the technical data sheets from the manufacturers for the recommended products to be used. I have 20 years of experience in electrical engineering designing battery based systems that are used for backup and off grid applications. I can complete the work in AutoCAD and deliver both AutoCAD and PDF files. You can see examples of my work in my design protfolio found here https://www.freelancer.com/u/ProjexConsultant?w=f Please contact me to discuss the details of this project. I look forward to hearing from you and thank you for taking the time to review my bid.
€300 EUR en 5 días
5,0 (12 comentarios)
5,4
5,4
Avatar del usuario
I am Electrical Engineer. I have done my MS in Communication Engineering. My Expertise are Circuit designing, PCB designing single and multichips (hobby and professional projects), PIC Micro controller programming and circuit desgning, Proteus, live wire, MATLAB, Simulink. I have 500+ Electrical projects completed on Freelancer.I can show you my work samples. Please see my profile and reviews from other clients. Thanks Regards Asad khan
€500 EUR en 10 días
4,9 (18 comentarios)
5,1
5,1
Avatar del usuario
Hello I am an Electrical Engineer did MS in Electrical Engineering (Control System) as well. I have 4 years of Experience as well, also have 11 IEEE conference publications and 3 Journals with good impact factor. My major Expertise are: - MATLAB, SIMULINK modelling and simulation in Electrical and Electronics Engineering. - AutoCAD, Multisim, Eagle, Proteus, C/C++, Circuit designing, Engineering Mathematics and other Electrical Engineering subjects. - PCB Designing - Plagiarism removal, Research paper writing, Academic writing, Technical Writing. - VHDL/Verilog HDL, Xilinx, and FPGA. - Data Entry, Ms. Office, PDF conversion, pdf editing, copy typing etc. Kindly check my portfolio and inbox me to discuss it further.
€450 EUR en 10 días
4,8 (36 comentarios)
4,9
4,9
Avatar del usuario
Hello I am an electrical engineer and made this circuit few months ago for a client. Hire me I can easily design this circuit for you. Thnaks
€250 EUR en 7 días
4,6 (20 comentarios)
4,8
4,8
Avatar del usuario
Dear you, I have 6 year experiences to design circuit. I have worked with some charger for 1 to 4 cell PIN 18650. We can discuss more on chatting. Thanks!
€250 EUR en 4 días
5,0 (14 comentarios)
4,1
4,1
Avatar del usuario
Hello! I have an experience in power management solutions, charging, and other type of electronics. Can help you with a short time and perfect result
€600 EUR en 15 días
3,4 (14 comentarios)
5,8
5,8
Avatar del usuario
Hi. I'm an electronic engineering student from Argentina. I've been working in freelancer.com for more than two years, and I've completed more than a dozen projects, all with good recommendations, you can check my profile. You will get from me the best effort to deliver a project that is up to your expectations and receive a good rate from your part. Please, if you have any questions, feel free to ask me! Regards, Esteban.
€600 EUR en 30 días
4,7 (13 comentarios)
3,9
3,9
Avatar del usuario
Hello, I have read the details provided and i am positive i can provide quality work,please contact me to discuss more on the project deadline and some other few things
€250 EUR en 5 días
4,0 (10 comentarios)
4,5
4,5
Avatar del usuario
Highly experienced with battery control, management, and charging practices. I can help design a PCB with correct sizing for the current and voltage to charge the battery with a backup battery.
€555 EUR en 10 días
4,9 (2 comentarios)
3,6
3,6
Avatar del usuario
I DO NOT OUTSOURCE I have been a freelancer for the past 8 years, I believe that my experience and skill in this background will prove to be of great help to you. Contact me to discuss more on the details
€250 EUR en 5 días
3,7 (5 comentarios)
3,9
3,9
Avatar del usuario
HI, I'm 12+ Years experienced Electronic Engineer having skills in Circuit Design, PCB layouts and especially Process Automation. Instrument Calibration, Instrument Tuning, Industrial Electronics are included in my skills. Currently working as Sr. Burglar Alarm System and R&D Engineer in a security firm. Vast knowledge of ISO Certifications (ISO 9001, 14001 & 18001) as worked as Departmental Coordinator along with technical skills. Preparation of Objective & Targets / Objective Achievement Plans at Departmental Level. Art and nature loving. Explore new ideas and design them. CERTIFICATIONS: ___________________ QHSE INTRODUCTION AND INTERNAL AUDITING PLC PROGRAMMING LEVEL 1&2 FUNDAMENTAL HSE MANAGEMENT AND LEADERSHIP (OSALP (Occupational Safety and Loss Prevention) ADVANCE INTERNAL AUDITING QUALITY CONTROL SYSTEM (QCS) MANAGERIAL GROOMING FOR SUCCESS I am precise and accurate with the given work. I am also deadline driven and work hard to complete assignments in a timely manner. My dedication attention and organization contribute to my professionalism. I consistently turn in above average projects and am praised for my work. I would be glad if this project is given to me and Surely it will be result oriented. Thanks in advance, Salman Qureshi brainOmind Technologies
€277 EUR en 10 días
5,0 (3 comentarios)
2,9
2,9
Avatar del usuario
Hi, Thanks for sharing your requirement. We are design services company in India. We provide product engineering services, Prototype development, Re-engineering, Schematic design, Board design, Firmware development etc. We have completed more than 25 embedded systems projects successfully. We have team of 35 engineers out of all 8 engineers working dedicated on PCB layout design to consider your project so we could able to complete it asap. We have license version 17.3 of Allegro and expertise in Allegro, Altium, Pads etc. We have experience in power supply design, battery charger design and Low power Embedded Node design. Could you reply on below questions? 1. What type of battery you are using? Chemical, Size, Efficiency, Charging-discharging rate (C) 2. Time need to recharge the battery? 3. Power consumption of your electronics board and tentative calculation of time to give backup using battery. We are very confident to complete your project from scratch. Let me know good time to have further discussion. Look forward to hear back soon. Thanks Bhavdip
€555 EUR en 25 días
5,0 (1 comentario)
2,4
2,4
Avatar del usuario
I am an electrical engineer, MSC in applied mathematics, MSC in power systems, PHD. Control and automation. I can make your problem at any level, within my proposal, I can offer you additional extras. with 23 years of experience. I can make your proposal with all the details you need. I can improve your proposal, with a mutual agreement. we can discuss the details of your needs in the chat. I have already done this type of analysis for this application the matlab, labview, and others. I'm interested in your project I can do your project Atte. ING. Luis Moreno
€750 EUR en 8 días
3,9 (2 comentarios)
2,5
2,5

Sobre este cliente

Bandera de PORTUGAL
Vendas Novas, Portugal
0,0
0
Miembro desde mar 13, 2019

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