Find Jobs
Hire Freelancers

Design me a Product

$750-1500 USD

Closed
Posted almost 7 years ago

$750-1500 USD

Paid on delivery
i have a machine that runs on electricity 220 volts. i want to convert it to run on a rechargeable battery
Project ID: 13632534

About the project

24 proposals
Remote project
Active 7 yrs ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
24 freelancers are bidding on average $1,046 USD for this job
User Avatar
Hi Sir I am an expert electronics engineer with more than 8 years of experience in development. I have more than 8 years of experience in this field. I would like to discuss more and would like to know about the detailed power requirements of your machine. I am waiting for your reply to start Regards
$1,100 USD in 12 days
4.8 (189 reviews)
7.6
7.6
User Avatar
hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.i can help you with this project. Kindly reply back and let us discuss project further. regards
$1,200 USD in 10 days
4.7 (66 reviews)
7.6
7.6
User Avatar
Hello, I am Paul I can design you a suitable power system WHAT IS THE POWER CONSUMPTION OF THE DEVICE??? I can Deliver an aesthetic Design I look forward to designing your Product I have extensive Electronics Experience Kindly go through my Portfolio for some of my works Regards Paul I can Prototype and Manufacture for you too
$750 USD in 20 days
4.8 (26 reviews)
7.3
7.3
User Avatar
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, high frequency transformers 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.
$1,361 USD in 30 days
4.8 (55 reviews)
6.6
6.6
User Avatar
Bid Summary I am an expert with more than 15 years of experience in the field of embedded systems, electronics and prototyping. I have in depth knowledge of power electronics. I assure you the best solution.
$1,000 USD in 20 days
4.8 (27 reviews)
5.5
5.5
User Avatar
WELL EXPERIENCED AS REQUIRED >>>>FINAL OFFER WILL AFTER STUDY DETAILS >>>>>>>>>>>>>>>>>>>..,>>>>>>>>>>>>>>>>>>>.
$1,500 USD in 20 days
4.7 (12 reviews)
5.6
5.6
User Avatar
Hi Sir, We have recently designed the battery management systems for hybrid vehicles so vehicles can safely run on battery power. we have designed it for Lipo and Li-ion batteries. We have designed the battery management systems that have over voltage under voltage protections, that have fuse protections from the current surges. Automatic balancing of currents and voltage levels to increase the life of batteries are done in the system. and most importantly we have done all these smart features on single PCB board. Let me introduce you to our team. We are team of developers and engineers professional in designing electronic circuit solutions, pcb designs, database programming such as MySQL etc, software designs and GUI/UI development, android applications, integrating software and hardware and providing complete solutions. In this bid, we offer you our solution at very low and affordable rates based on your desired requirements. we normally follow several checks to ensure the quality of service and products. In this bid prototyping is not included, if at certain point you would like to have prototypes manufactured, we can provide you at minimal cost including courier charges (DHL/FedX etc). We, very humbly deal with our clients and provide technical support to them during all phases of project execution. We are very much looking forward to hear from you in coming days. Cheers, Ahmad Lead Technical Engineer Turktronics Inc. An Internet of Things Company
$1,000 USD in 20 days
5.0 (11 reviews)
4.6
4.6
User Avatar
Bid Summary Dear, I'm good with electronic and mechanic. I can redesign device to work with battery and I can assembly prototype. All the best, Miroslav
$1,250 USD in 20 days
5.0 (2 reviews)
3.2
3.2
User Avatar
hello, my name is Fauzi. I am a new user at freelancer.com. I want to try to offer my expertise to complete your project. I can finish your project in accordance with the specifications that you provide. I am a physics engineering students who often do similar projects, such as creating a table clock that can be charged, and other projects. with the experience and knowledge i acquired in college, I could finish your project well. if you need more information, please contact me. I am sorry if my english isn't good. thanks.
$750 USD in 14 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Please go through our profile fully and share with us your complete project details if you find us suitable for your project.
$888 USD in 25 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Further information is required; 1. What is the specification of the machine? 2. What is the size (in watts) of the equipment? 3. What is the circumstances why you need the machine to be rechargeable battery operated? Please feel free to contact me to discuss further.
$1,250 USD in 20 days
0.0 (0 reviews)
0.0
0.0
User Avatar
Hello! Ready to complete the task. Having extensive experience in the field of innovative architectural design and 3D realistic rendering, We are made up of a team of dedicated and skilled professionals. The services we offer, Include 3D animation, 3D modeling, 3D-rendering and interior design. We are completely in control of our time. We always reply to your message within 2 minutes, and I'm always ready and happy! Contact me to discuss the details. I'm sure you will be happy!
$1,000 USD in 14 days
0.0 (0 reviews)
0.0
0.0
User Avatar
A proposal has not yet been provided
$833 USD in 20 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED STATES
palm harbor, United States
5.0
6
Member since Aug 24, 2010

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.