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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To finish up the hack he soldered a piece of strip board to the charging header, and attached a coin cell holder. Oir2032 Drawing for optional horizontal pins.

Prices are subject to change, please inquire for current prices. I am designing a low power blinky light thing using an LiR and that is a significant limitation. Learn how your comment data is processed. The value of R3 can be adjusted from anywhere between 28K and 67K. You are commenting using your Facebook account. IEC standard defines battery as a round cell Unfortunately or fortunately depending on how you look at itthe charger I had ordered off Amazon didn’t work, so I decided to build my own.

Also note that manufacturers use both CR and custom designations. All files, including BOM to reproduce this project have been included and linked to in my github repository. Again — LIR batteries have 3. Watch out for commercial coin cell chargers that supply mA. Of course, the higher the resistor, the less charge current and thus the longer the battery will take to charge.


All that should be required here is an even distribution of a thin layer of solder on the square ground pad under BT1. Leave a Reply Cancel reply Enter your comment here Depending on the model and manufacturer, batteries weigh around between 3.

View all 7 instructions. The two variables cab be swapped for solving for whichever is the unknown.

LIR2032 Datasheet PDF

Typically you would charge at 1C i. Description This is a very small and affordable lithium coin cell charger. BR is very similar to CRm, except it uses carbon monofluoride as positive electrode, instead of manganese dioxide found in CR You lie2032 commenting using your WordPress. View all 8 components. Your Password Forgot your password?

CR would not work datasheef it needs 3. I have that exact same Charger PCB from ebay china. The chargerwill not damage the LiPo? I have recently seen a charger module with a protection circuit on the same board.


Tin the ground solder pad under the battery holder BT1. As I understand it, this charger has a termination voltage lir232 around 4. To get a decent connection to the USB socket, I tinned each of the pads a bit. CR battery can be replaced with BR battery without the danger of damaged electronics and in most cases, devices will work properly. Become a member to follow this project and never miss any dataxheet Become a member.


Given a resistor you have on hand, or is already in a circuit say awhich is 22K ohm, which would be Notify me of new comments via email.

Presuming the table in the datasheet is valid. Fortunately LiRs are affordable enough that you can afford to kill a few. Using the max rate of mA with ohms, one can do the following: Although only the 2 outer pads are actually used by the PCB to provide voltage, it is a good idea to tin the middle 2 pads as well.

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Lithium ion Rechargeable (secondary) Coin Cells from PowerStream

Similar projects worth following. Your Email Remember me. CR battery is used in many small devices lor2032 gadgets — its main features are small dimensions, wide temperature range, large capacity, low self-discharge rate and hence long shelf-life.