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Fix battery issue for pcb board

I have a board with 3 dc 12v 20w led. I need somebody to fix battery/accu issue. I need to have small battery to give the leds power to give them light for 6-8 hours.

The accu/battery need to be small not higher then 2cm

Compétences : Electronique, Mise en Page PCB, Génie Électrique, Microcontrôleur, Design de circuits

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Concernant l'employeur :
( 0 commentaires ) Rotterdam, Netherlands

Nº du projet : #22731043

15 freelance font une offre moyenne de $136 pour ce travail

sagradoamicus

Hi I am experienced electronics engineer with more than 11 years of experience. I can do it for you. I have worked on battery based PCB designs a number of times before. I would like to discuss it in further details. Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(252 Commentaires)
8.0
Mestek

hello i am a computer engineer,i have masters in computer engineering,i have experience for more than 8 years in arduino and electronics,i have good knowledge for all kinds of disposable and rechargeable batteries,i c Plus

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(27 Commentaires)
5.0
smarthardware

Hi, I read your project description. Your project is really interesting to me and i have many experience working with PCB design, manufacturing functional prototyping with firmware programming, adroid app, and test. I' Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(5 Commentaires)
4.4
intellisenseIN

Hi, We can fix the battery issue. We are an innovative team of Embedded System having expertise in PCB designing & Firmware development driven by solutions and results. Kindly spare 10 minutes for the interview. We h Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 10 jours
(4 Commentaires)
4.4
avigupta0061

Dear Client, With more than 5 years of experience in PCB design and Circuit design I can ensure you quality work and before time Delivery. I have quite a good experience in designing battery based solutions. Please Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 2 jours
(5 Commentaires)
3.8
iquicksolution

Hello sir I am professional electrical engineer having masters in Electrical engineering I have vast experience in circuit design and simulations tasks I am expert in PCB DESIGNING I will provide you with quality work Plus

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(9 Commentaires)
3.5
moatazbeheta2016

hello, I'm electrical engineer and I have good experience in circuit design and PCB design using Eagle software I have worked in this field on freelancer.com and you can check my portfolio it will be honor to work wi Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 5 jours
(6 Commentaires)
3.2
hsh564cf84accd96

Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time and budget Able to deliver y Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(3 Commentaires)
3.0
ashutoshnids

Hi, I have extensive experience in battery circuits and power electronics. I would like to know if there are 3 Leds of 20 watt each or total 20 watt for 3 of them. That will decide your battery bank size. Also, hei Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
macroenergy

General message: Dear Sir, Greetings from Turkey. I hope you are good. Let me introduce me. I'm Electronics Enginner who have 19 year experience. My experience is related to power electronics, hardware design, analog Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
uldezeeshan

i have worked as a freelancer with many companies for building thier projects , design and hardware installation.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(0 Commentaires)
0.0
(0 Commentaires)
0.0
SolidStateLED

I'm willing to do the calculations to help you choose the battery that will give you 6 to 8 hours of burn time based on 20W of LED lighting. This bid is for design advice only.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
(0 Commentaires)
0.0
aamirghaffar46

Hey. i Hope you are Doing good. i am Professional Electrical Engineer. Working in multinational company in Germany from last 3 years. Graduate in Master Degree in Electrical Engineering From Germany. i understand what Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0