Rechargeable 12V Power Source

I need a cheap power source (max $10 cost) that will output 12v 1A. It will use any kind of batteries you want, we prefer lithium [url removed, login to view] or 4 AA batteries. It will step-up the battery power to 12V for the output. The batteries are rechargeable and will recharge with solar panels (it's up to you how many, but remember it's a cheap project, customers won't consume a lot of energy and system will be on stand by more than 90% of the time). It would be good if the solar panel input were something like a 5V DC jack.

12V <--- Step-UP <--- Batteries <--- Controlled Charger <--- 5V input <--- Solar Panel

Evner: Elektrisk Ingeniørarbejde

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Om arbejdsgiveren:
( 0 bedømmelser ) Canoas, Brazil

Projekt ID: #5995626

5 freelancers are bidding on average $132 for this job


Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of ha Flere

$244 USD in 3 dage
(16 bedømmelser)

Hi, I am a post graduate power electronics engineer and having 6+ yrs of work experience in product design and development like power suppliers and battery chargers. I understand you requirement clearly. I will design Flere

$233 USD in 7 dage
(3 bedømmelser)

hi, i am an electrical engineer and i can design your project efficiently. i have experience in designing the battery chargers and DC- voltage level converters. For your project i will use the following techniques: Flere

$112 USD in 3 dage
(1 bedømmelse)

Hello you can use DC to DC converter for your's requirement , I have used one of them in my project , if you want I can share with you.

$60 USD in 3 dage
(0 bedømmelser)

Thank you for your RFQ. We have good experience in power supply design. Please find our best offer for you. queries: Is battery charger need to designed? or only 12V, 1A. We provide design to produce PCB. if you Flere

$133 USD in 5 dage
(0 bedømmelser)

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$122 USD in 7 dage
(0 bedømmelser)