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Design Specialised Li ion battery Charger

We are an electric bicycle kit supplier and are looking to enhance our existing product by developing a faster charger for our battery packs that charges each of the 12 cells in our battery packs individually to 3.6v.

The cells in our battery pack can be charged at 3 Amps as a standard charge or up to 10 Amps as a fast charge.

We would like a solution that charges each cell individually at least 3 Amps. Our battery packs are just 12 cells in series with a balancing connector connecting to each cell. There is no BMS, so there is nothing to prevent charging on an individual cell level.

Other solutions in the market that charge and balance a 12 cell pack are complicated and charge the whole battery pack while balancing individual cells.

We want a solution that is dedicated to our particular battery pack and actually charges each cell individually using the balancing connectors on each battery pack. A simple red/green led indication of when each cell is charged is sufficient. We don't need complex readouts. We want a solution that is just plug and play.

We want our solution to be as lightweight and small as possible and which can be manufactured cost effectively (ideally for less than $30 each) in large volumes. (1500 units plus).

Unit should operate off both 240V and 120V AC household power.

Deliverables for this project are circuit designs, a working prototype for testing and sufficient manufacturing details to allow us to seek accurate quotes from manufacturers.

Bidders from any country are welcome as project will be managed by email, skype etc.

We will provide more detail to winning bidder including specs of battery cells and ideas about implementation.

Færdigheder: Elektrisk Ingeniørarbejde, Elektronik

Se mere: specialised charger, working for seek, us seek, solutions by design, seek us, seek engineering, red design, quotes about design, product pack designs, product manufacturing cost, product design supplier, product design solutions, product design project ideas, power seek, plug power, li.be, li-be, less is more design, ion design, ideas for product design project, email seek, electrical and electronics engineering, developing a prototype, design solutions, design quotes

Om arbejdsgiveren:
( 0 bedømmelser ) Sydney, Australia

Projekt-ID: #969055

Tildelt til:

JJdatajobs

Hello 'aHamilton8', Please read my PM. Thank you very much. With regards, JJdatajobs.

$1500 USD in 30 dage
(5 bedømmelser)
3.1

13 freelancere byder i gennemsnit $1265 for dette job

reallifetech

See details in MB.

$1199 USD in 20 dage
(15 bedømmelser)
4.3
AbhaBrajesh1956

I have worked on LI-ion battery charging and discharging project, See INBOX, Abha

$1500 USD in 120 dage
(1 bedømmelse)
1.0
rakkes

Hi, I am an Electronics Engineer by [url removed, login to view] 4 Years of Experience in [url removed, login to view] is simple project. Will deliver a working prototype with all the circuit diagrams and PCB schematics for the same.

$1000 USD in 30 dage
(0 bedømmelser)
0.0
bijan01in

This is interesting project. I am an Electronics Engineer and ready to handle the project with the best of my knowledge.

$1500 USD in 45 dage
(0 bedømmelser)
0.0
MikiNoel

Hello, Pls. see the PMB for details. Best Regards Miki

$1500 USD in 45 dage
(0 bedømmelser)
0.0
marinayelken

importtant question... do you have a thermal detection component on the cell's ? this is needed for healthy and fast charging of the cells... Excessive heat destroys the cells..

$1000 USD in 15 dage
(0 bedømmelser)
0.0
scsarcar

==== please check ur pm sir ====

$1500 USD in 7 dage
(0 bedømmelser)
0.0
Nagalakshmik

I have ten years experience and I Can do this job. Plz send me further details.

$1000 USD in 20 dage
(0 bedømmelser)
0.0
andrewco

Hi, I am a creative person with knowledge in both analog and digital electronics, I like to make a good work.

$1350 USD in 30 dage
(0 bedømmelser)
0.0
AZDigitalS

We are a group of experience electrical, mechanical, software and QA engineer in US (EE, SW, QA) and Vietnam (SW, ME). There are 2 approaches for your product: Simple recharger and Smart/Intelligent charger. My bid pr Mere

$1000 USD in 15 dage
(0 bedømmelser)
0.0
akashsolutions

I have already completed such project to charge/discharge & evaluate individual cells for matching of a battery pack for defence applications. I can do it quickly as yours is the part of the original project

$1200 USD in 30 dage
(0 bedømmelser)
0.0
ElectronicArt

Hi, we have been building lithium ion battery chargers for a number of years. Usually we use the Analog device ADP2291 but this only handles 1.5A. We would recommend using an off the shelf chip or using a small 8 pin m Mere

$1200 USD in 30 dage
(0 bedømmelser)
0.0