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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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.

LIR2032 Coin Cell Charger

Using the max rate of mA with ohms, one can do the following:. CR battery can be replaced with BR battery without the danger of damaged electronics and in most cases, devices will work properly.

So if I wanted to connect two of these batteries in a series for 7. TP is a great little chip.

You are commenting using your WordPress. Here is a review of the new charger module with a protection circuit: Similar projects worth following. 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?

All files, including BOM to reproduce this project have been included and linked to in my github repository. With that formula, 33k would give about 36mA. The two variables cab be swapped for solving for whichever is the unknown. View all 7 instructions.


Notify me of new comments via email. Project Owner Contributor “Sticks ‘o dynamite” battery pack.

LIR Coin Cell Charger |

Adobe Portable Document Format – You are commenting using your Facebook account. Checking the values in the table shows them to be linear.

If LED3 lights, move onto the next step. I have that exact same Charger PCB from ebay china. 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.


Yes watch out for that, especially if you are just swapping LiR for a nonrechargeable CR Would it be somehow possible to still charge this 3. You are commenting using your Twitter account.

That suggests to me that shooting for charge currents in the tens of mA will be dicey at best. The Closest I could find is a 3. While on the topic: Can the micro usb port be used to charge and discharge the cell?

Solder power status LED indicator. Protection circuits are available that you can add on. What do you think?

Bulk quantity Lithium Ion Button Cells for sale

Depending on the model and manufacturer, batteries weigh around between 3. Tin the ground solder pad under the battery holder BT1. You should Sign Up. Does this project spark your interest? Thank you for your feedback on that topic. TP should be fine to charge a LiPo. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies.


By the way, slow charging also prolongs battery life. Yes, delete it Cancel. Yeah not particularly amazing. Fill in your details below or click an icon to log in: To finish up the hack he soldered a piece of strip board to the charging header, and attached a coin cell holder. IEC standard defines battery as a round cell I was looking for a battery charger all over the net and they do not exist.

BR is very similar to CRm, except it uses carbon monofluoride as positive electrode, instead of manganese dioxide found in CR Leave a Reply Cancel reply Enter your comment here Although only the 2 outer pads are actually used by the PCB dtasheet provide voltage, it is a good idea to tin the middle 2 pads as well. 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 datasheft rate is mAh.

The chargerwill not damage the LiPo? To get thi straight: Even though surface mount tabs are available, these cells will be damaged if put through a surface mount reflow process due to the high temperatures involved. ljr2032

Tin the 4 USB plug pads.