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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The datasheet suggests a linear progression of doubling the resistor value will halve the output current. I will whip out my iron right now: Solder power status LED indicator.

TP is a great little chip. Such a charger is certainly advertised, but I would not be surprised if the specs are wrong. Does anyone know of a good writeup on rechargeable batteries? Leave a Reply Cancel reply Enter your comment here Already have an account?

That suggests to me that shooting for charge currents in the tens of mA will be dicey at best. Similar Projects The Hackaday Prize. Become a member to follow this project and never miss any updates.


LIR Datasheet(PDF) – List of Unclassifed Manufacturers

Datashete should Sign Up. This step is required in order to ensure a good connection when the battery is inserted. The user might know nothing about data sheets and should never be forced to check them, therefore one designs the charger for the lowest and safest current.

BR is very similar to CRm, except it uses carbon monofluoride as positive electrode, instead of manganese dioxide found in CR Sign up Already a member? CR would not work because it needs 3. Of course, the higher the resistor, the less charge current and thus the longer the battery will take to charge.

$1 Coin Cell Charger

I have recently seen a charger module with a protection circuit on the same board. Many thanks for and ideas you may have.

I had the need for an LIR coin cell lit2032 to power a few projects. Again — LIR batteries have 3. Luckily, dataasheet is pretty easy to modify the board to charge lower capacity batteries. My question is can I use this charger to recharge or do I have to add a resistor to the Negative side before I can safely charge the coin battery? You can test it easily by checking the other charge rates.


Primary and Coin Lithium Battery Primer: Watch out for commercial coin cell chargers that supply mA. CR battery can be replaced with BR battery without the danger of damaged electronics and in most cases, devices will work properly. Fill in your details below or click an icon to log in: What do you think? Using the max rate of mA with ohms, one can do the following: Yes watch out for that, especially if you are just swapping LiR for a nonrechargeable CR Protection circuits are available that you can add on.

The 5 minute hack starts with a TP lithium charging circuit, which is a great DIY board designed to charge high-capacity cells at about 1A.

The Hackaday Prize. I have that exact same Charger PCB from ebay china.

Depending on the model and manufacturer, batteries weigh around between 3. Got to — http: Learn how your comment data is processed. Does this project spark your interest? Some of the resistance values are clearly rounded and are not standard E24 values.