LIR Rechargeable Lithium ION Button Battery 1. Preface The purpose of this product specification is to provide technical information for the rechargeable. Model: LIR Prepared By/Date. Checked By/Date. Approved By/Date. Customer confirmation. Date. NoteKindly please sign on the above and send it back. LIR datasheet, LIR pdf, LIR data sheet, datasheet, data sheet, pdf, etc, RECHARGEABLE LITHIUM ION BUTTON BATTERY.

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You are commenting using your Twitter account. Checking the values in the table shows them to be linear. Depending on the model and manufacturer, batteries weigh around between 3.

$1 Coin Cell Charger

The capacity of these batteries is on average around mAh CR mAhbut they can handle discharge rate of about 70 mA, while CR max burst discharge rate is mAh. I have recently seen a charger datashwet with a protection datasheeet on the same board. Applications include laptop computers, PDA, IC cards, electric clocks, watches, remote control keys, cameras, toys, etc. Given a resistor you have on hand, or is already in a circuit say awhich is 22K ohm, which would be This step is required in order to ensure a good connection when the battery is inserted.

We carry some stock in the USA, larger quantities weeks delivery time. Does anyone lor2032 of a good writeup on rechargeable batteries? Luckily, it is pretty easy to modify lir202 board to charge lower capacity batteries. View all 7 instructions. Adobe Portable Document Format – The chargerwill not damage the LiPo?


Safe for transportation and general shock. Maxell CR lithium batteries -pack of I wanted the charger to be as compact and simple as possible. I will whip out my iron right now: Leave a Reply Cancel reply Enter your comment here Many thanks for and ideas you may have. You are commenting using your Facebook account. Yes watch out for that, especially if you are just swapping LiR for a nonrechargeable Datashset Email required Address never made public. Solder power status LED indicator. As I understand it, this charger has a termination voltage of around 4.

LIR2032 Datasheet PDF

You should Sign Dahasheet. CR battery is used in many small devices and gadgets — its main features are small dimensions, wide temperature range, large capacity, low self-discharge rate and hence long shelf-life. IEC standard defines battery as a round cell Chargers for lithium ion coin cells are available from PowerStream.

All that should be required here is an even distribution of a thin layer of dztasheet on the square ground pad under BT1. This site uses Akismet to reduce spam. Yeah not particularly amazing. The datasheet suggests a linear progression of doubling the resistor darasheet will halve the output current.

With that formula, 33k would give about 36mA. For more battery engineering resources click here: I have that exact same Charger PCB from ebay china. Is it to tinker with resistor values to achieve a different output? The two variables cab be swapped for solving for whichever is the unknown.


Can the micro usb port be used to charge and discharge the cell? Presuming the table in the datasheet ,ir2032 valid. All files, including BOM to reproduce this project have been included and linked to in my github repository. To get a decent connection to the USB socket, I tinned each of the pads a bit.

Become a member to follow this project and never miss any updates. The PCB is available to order dataeheet the oshpark links below.

TP is a great little chip.

So if I wanted to connect two of these batteries in a series for 7. Learn how your comment data is processed.

$1 Coin Cell Charger | Hackaday

Fortunately LiRs are affordable enough that you can afford to kill a vatasheet. CR would not work because it needs 3. I am designing a low power blinky light thing using an LiR and that is a significant limitation.

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If so, is there a Lookup List of some kind? CR battery can be replaced with BR battery without the danger of damaged electronics and in most cases, devices will work properly. Lir Drawing for optional horizontal pins.

Lund Google Author Verification. Tin the ground solder pad under the battery holder BT1. Using the max rate of mA with ohms, one can do the following:.