Ion battery charger project jobs

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    12,018 ion battery charger project jobs found, pricing in USD

    I need to power a 250 watt LED from a Li-Ion battery made of 3.6v batteries in parallel.

    $185 (Avg Bid)
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    7 bids

    I need to power a 250 watt LED from a Li-Ion battery made of 3.6v batteries in parallel.

    $488 (Avg Bid)
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    9 bids
    Solar Battery 6 days left

    We are going to launch our new product which is the solar battery pack of 4Kw. "Lithium Solar Battery Pack 4Kw" and Solar Power Bank "Inverter and Battery combo" it will have a LED screen, wifi, and monitoring system. I have attached the sample picture of the battery and the black module is power bank.

    $376 (Avg Bid)
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    hi all how are you ? How to make ion-menu list transparent in ionic 4 and build apk! thank you team freelancer

    $60 (Avg Bid)
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    7 bids

    BOM will be provided to promising applicants I have a BOM and some circuit design files that need to be converted to an eagle schematic that allows me to make design modifications in the future. I have made this PCB in the past but do not have the schematic files to make modifications. The order of components needs to stay the same and the size of the PCB must stay the same. The PCB is for a pres...

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    This is a hobby project. I need to get reference design and prototype developed for a device that has Bluetooth and, if possible, other radios (wi-fi, cellular) along with a mesh of sensors (weight, temperature, sound, motion) that is very thin and can be woven into a fabric of different sizes (3x3 inch, 6x6 inch or 9x9 inch). The device should be battery powered

    $676 (Avg Bid)
    NDA
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    26 bids

    Build E-Commerce Website through Elementor 1-1-1/2 hour Skype call to go discovery phase of company - direct to consumer battery company in Marine industry 15-20 Pages Overall Install Google Analytics, Yoast, AppSumo Essential AddOns - To cover cost Use a custom Google font at no additional cost Hosting to be by GreenGeeks or InMotion Setup 5-6 email addresses for Endurance Team Setup Blog ...

    $199 (Avg Bid)
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    Programa Arduino 6 days left
    VERIFIED

    Need a arduino mini software with SIM900L (Yoigo) and PIR sensor, send email of alarm and battery status low.

    $84 (Avg Bid)
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    14 bids

    You need to create a poster for pre-order sale for our products. It should tell the audience that it's a new and enhanced product. highlighting the new screen and the extra battery option and it will be for $849 only instead of $1,200. Deliveries will be mid-August. Limited time and limited quantities. Instagram sized artworks, Facebook Cover Photo sized artworks and for our website.

    $21 (Avg Bid)
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    circuit design 5 days left

    I want to charge 3 18650 lithium ion cells in parallel from a usb port. I want to power my project from either the internal batteries or an external power bank. I want to be able to charge the batteries while at the same time powering my project. I would like to track charge level, current draw and time remaining. The project will average 600 mA with surges up to 4A. The circuit shall pr...

    $133 (Avg Bid)
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    23 bids

    Hi, I have a small diy camera module which I want to remotely turn it ON and OFF (see pics). The camera is powered with 3.7V battery. I have limited space so whatever I have to solder to the camera or add to my project should be with the size not thicker than 4mm with length and width of 27mm. I am looking for someone who can tell me what kind of parts I need and how to wire them to my camera. I ...

    $171 (Avg Bid)
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    Hi, we are looking for Mac OS GUI based Application to build Android App Automation tool with adb libraries Android SDK. we want to read the app info, measure the CPU performance during screen transition,Memory Usage, drop down list of android command tools like adb, Network information and Battery consumption while using the App and port that info into the GUI Tool. (Device connected to system vi...

    $679 (Avg Bid)
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    What I’m really looking for here, is a product that connects to a Power plug, to be able to connect to a car charger. It is a small device. Let me know prices!

    $228 (Avg Bid)
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    I am looking to have a small mini microphone built with bluetooth capabilities powered by a lithium ion battery. I would like one built along with a full build order.

    $182 (Avg Bid)
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    Hi Ion S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $250 (Avg Bid)
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    1 bids
    Solar LiPo Charger board 2 days left
    VERIFIED

    Wanted is design, schematics, PCB layout and working prototype of a solar LiPO charger board. Documentation of all used parts as well as schematics and layout has to be delivered along the gerber files, a BOM list and a working prototype. The specs are as follows: Minimum requirements: - 1V .. 3V input from a photovoltaic cell - charging of a single cell LiPO battery 150mAh .. 500mAh capacity -...

    $419 (Avg Bid)
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    Hi,freelancers! I need 3KV Inverter be able to use the multi-port for 1kv Solar panel , Wind generator , Diesel generator , Battery charge. If this project interest , prepare of experience project this ago. Once , if I am hired any excellent freelancer , I will discuss more kindly and provide of attachment. Thanks for your attention.

    $404 (Avg Bid)
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    Website re-design (urgent) – English Job category: web design Description: We are looking for a web designer who is proficient in both English (and maybe add Chinese later). The designer needs to re-design the official website completely with 6 page tabs below, (details to be provided in our layout plan later) 1. About us (company info and milestones, mission/vision etc.) 2. Management t...

    $174 (Avg Bid)
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    Seeking a freelancer to design our project. We wish to take readily available scales the have BLE 4.0 and leverage the new BLE 5.0 protocol to implement the mesh and beacon abilities within the product development. The scales we have access too, already have the ability to send weight we want to add temperature and battery/charger voltage to be sent to an app we want to develop. The micro-cont...

    $3103 (Avg Bid)
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    Hi, we are looking for Mac OS GUI based Application to build Android/iOS App Automation tool with adb libraries & xCODE instruments. we want to read the app info, measure the performance during screen transition and Battery consumption while using the App and port that info into the GUI Tool. Device connected to system via USB which is fine. Please submit your proposal with simple doc how yo...

    $698 (Avg Bid)
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    Wanted Pedal trike tricycle for cross country battery powered too. Design , fabricate and deliver prototype. Should be near Delhi, Punjab or within india.

    $642 (Avg Bid)
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    Hi, i want a Eagle Design Block of a 15A 24V 6 Cell Li-ion 18650 battery protection board. High current protection board with continuous 15A [login to view URL] must be design in Eagle so i can import it easily to my project. -Discharge protection / Overdischarge protection -Overcharge protection -Charge protection -Short-circuit protection -Temperature protection

    $265 (Avg Bid)
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    Required a DC led driver with built-in rechargeable circuit. In case of lost electricity it powers up and when the power is available then it should get charged and light as well. Mainly focused areas are 1. Good Protection from high voltage 2. Cut-off when the battery is full 3. auto switch to battery or DC power source. 4. Power rating for LED is DC 20W, 28-32 Volts with 600mAmps. [login to view...

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    Senior UX/UI Designer 1 day left
    VERIFIED

    - Senior UX/UI designer for a running project with an automotive client - Start of the collaboration ion the 12th of August (we have a few days of flexibility) to start the onboarding and support design stream - Duration 4 Months with possible extension - It is a Full-time project, it would require 5 days a week of involvement. The primary work location is Munich Futurice office. - The...

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    Local
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    I need a tally counter for creating donor sites during hair transplantation surgeries. I need the schematics and code, since I don't have the time to work on them, but I can build the device myself. Basic functionality: The patient has an electrode (ECG electrode) on his hand. The other end of the wire is connected to a needle used to create donor sites on the patient's head. When the n...

    $485 (Avg Bid)
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    I am looking for someone with USB protocol experience to write a small program which can be merged into my existing Arduino/Atmel source. I am new to the USB protocol and not having much success finalizing this portion of the code. Specifically, I am having trouble resuming USB communication after the chip is put into a low sleep mode whilst simultaneously running from a Li-Po battery source, and...

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    This project is for a compact human motion detector using PIR sensors for detecting when someone has gotten up from bed or is in danger of rolling off the edge of the bed. The recommended design is using 1 PIR sensor at the top for detecting sitting up, 1 PIR sensor to detect falling off the left side edge and 1 PIR sensor to detect falling off the right side edge. A receiver box will receive a ra...

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    Hello guys, I have many YouTube channels for which we need logo around 25 logos We need logo for mobile battery selling companies Payment - 12$ per logo But we need first logo as a sample (not paidd,) You need to send logo without watermark for sample, once we see sample logo is up to the mark then after, we will create milestone for next logos but first logo is not paidd then only bid thanks

    $273 (Avg Bid)
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    32 bids

    Hello guys, I have many YouTube channels for which we need logo around 25 logos We need logo for mobile battery selling companies Payment - 12$ per logo But we need first logo as a sample (not paidd,) You need to send logo without watermark for sample, once we see sample logo is up to the mark then after, we will create milestone for next logos but first logo is not paidd then only bid thanks

    $350 (Avg Bid)
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    37 bids

    Design battery management circuit ,very low voltage

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    28 bids

    Hello, I am looking for some proven to sell e-books for Smartphone Niche including the sales page. For example: - How to keep your phone safe - How to protect your phone from being hacked - How to make your battery last longer - DIY guide on how to fix your screen, debug, etc.. Language : French or English

    $21 (Avg Bid)
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    We are looking to fix our application bugs and add additional features: Bugs: High priority – Must be completed in 5 days. 1. Computer Login. When using the login name and password to connect to a computer, and after sending the data the first time, it doesn’t connect to the folder anymore. 2. Computer Login. Cannot connect to computers with a domain. 3. Computer login. Cannot delet...

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    What I want is a simulation(proteus, matlab). It can be divided in to 3 part or more. 1: Solar energy is converted into electrical energy to supply large battery energy storage devices then supplying 230V AC 2: Substation's electrical energy converted to 230V AC 3: compile code by using a microcomputer like Arduino Programming software(MPPT method=Perturb or observe or Incremental conductance...

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    I would like someone to take on the entire project in increments. So I pay one increment at a time at say $20AUD each time approx. Happy to pay for the quality. Would like to see a watermarked image in advance. $22 USD each incremebt x 8 $176 USD. 1. Main Logo (With MCS "mint car solutions") 2. Two minor logos (MCS Batteries, MCS Rental Vehicles) 3. A document letterhead 4. Design for ...

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    We need computer repair technicians/specialists to do on-site PC repair services in Jakarta. As part of this project, freelancer needs to take following steps: - Call the customer and agree on a schedule when you would visit client location - Visit the location which could be 15 - 20 km away. Freelancer to use his own conveyance - Deliver the on site work [ could be 2-3 hours ] -...

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    The car runs on 6.4V battery. It is all wheel drive car - all four wheels turn when throttle is pushed to drive forward or backward. There are two motors that allow to achieve this, one is located at the front of the car and the other one is at the back of the car. These two motors work fine and there is no issue with the the forward and backward movement. The problem is that the steering wheel o...

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    I have an app that streams video from an Android device to an iOS device via WebRTC. What I am looking to do is to add a RTCDataStream to it to telemeter data from the Android device (like GPS, video parameters, battery parameters, etc). As an expert, I think this should be very straightforward.

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    Looking for a graphic designer who can work with a new software called Famous from famous.co. Helpful to know Sketch and Photoshop or some other graphic software where thee are layers to create. If you enjoy working from your home and have high speed Internet and you are ok with flexible work hours and can read and write English or French reasonably well; Est-ce que vous lisez et écrivez ...

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    I would like a field deployable data acquisition system (preferably using something simple like arduino) that will record a fluxgate magnetometer for days in the open air. If you want to look it up, this will be used for geophysics, one use will be to be a base magnetometer, which will remove for the magnetic changes due to solar storms and the second will be to record magnetotellurics, which can...

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    I'm working on a prototype for a project and I need to source a circular LCD/OLED (or similar) countdown display timer - see the attached rough sketch. The timer must only countdown days automatically, not hours, minutes or seconds, and be operated by a battery that you would get in a digital wristwatch or car key fob. It needs to be simple and basic in its functionality. If I want to set t...

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    To design a 3 kva grid interaction hybrid pure sine wave inverter with PCB, firmware design and microcontroller codes development work. The inverter should have solar, battery bank and grid are the sources.

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    Hi, 1. I want a professional engineer to design a battery charging circuit with all the protection circuits (overcurrent, overvoltage, overdischarge, cut-off, shortcircuit, etc). 2. Kindly check the attached file(fig-1), (fig-2). I have different excitation methods for piezo resistive sensor. Which one is stable and long term stability. If you have any other ideas, kindly share it. 3. I would to ...

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    I'm looking to design a prototype for a smart device that i would like to patent and sell. I first need to develop the device. The device would need to an instrument to either make a liquid measurement and/or take the weight of the over product. The device would also need to report back the battery life. periodically. Each measurement would need to come online and post to an api for data ...

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    A variable DC input battery bank 24 v to 400v DC input to constant output 415v, 50hz, 3 phase output grid connecting Inverter of capability 5 kva. The input source suitable for battery bank and or solar of variable input

    $1597 (Avg Bid)
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    I have a project involving GPS trackers for elderly. Will like app built to monitor these devices and become an interface for changing parameters

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    I want to design a ultra compact 6A 80W Li-ion charger. A power electronic expert with minimum 6 years of experience is required

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    Must be Sydney based I'm looking to develop 2 similar projects using a Raspberry Pi and looking for a programmer with experience with h.264 encoding, VLC, RTSP network streaming, Wifi configuration. 1. News Gathering system - RPi running Android Using a number of existing apps to stream HDSDI video over bonded 4G connections. I have this project already working with a Galaxy 8+ but the l...

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    Need a circuit for a bicycle tail light. Operated by one push button. Low battery consumption. Led Output max 1A 5 different flashing brightness & speed settings

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    Tanks Calibration System System Working: The Tank Calibration Unit constitutes of a Microprocessor to process all the data and simulate commands; powered with rechargeable battery, with minimum 12 hours backup; 2 line LCD to display both Level and Volume simultaneously; Keys (may be 4) to operate / configure it; one relay Output to control the pump; one Wireless module to communicate with Lev...

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    Hi, we would like to start to produce small cameras. Cameras should have maximum filed of view. They should be with "micro" size and weight. To have battery on board able to run it for up to 4 hours. To have LED lights. To have bluetooth or wi-fi. We think that use of omnivision CameraCubeChip will be ideal.

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