Introduction: What to Do If Charger Doesn't See 18650 Li-ion Battery

Picture of What to Do If Charger Doesn't See 18650 Li-ion Battery

What to do if the battery doesn't charge, charger doesn't see the battery for 2 reasons: low voltage on it or triggered thermal protection.

Step 1: Measure the Voltage on the Battery

Picture of Measure the Voltage on the Battery

Step 2: If the Battery Has at Least Some Voltage.The Battery Can Be Put in Parallel With Another Working Battery.

Picture of If the Battery Has at Least Some Voltage.The Battery Can Be Put in Parallel With Another Working Battery.

10 seconds will be enough.

Step 3: Еhe Voltage on the Battery Has Increased, Now You Can Try to Put It on Charge.

Picture of  Еhe Voltage on the Battery Has Increased, Now You Can Try to Put It on Charge.

But if the charger does not react again, the operation must be repeated

Step 4: And Repeat Until the Battery Starts Charging

Picture of And Repeat Until the Battery Starts Charging

Step 5: If the Battery Voltage Is 0, Thermal Protection Has Tripped

Picture of  If the Battery Voltage Is 0, Thermal Protection Has Tripped

Step 6: the Membrane Under the Positive Contact Arched From the Pressure Inside the Battery

Picture of  the Membrane Under the Positive Contact Arched From the Pressure Inside the Battery

Step 7: After Returning the Membrane Back, the Battery Has Came to Life

Picture of After Returning the Membrane Back, the Battery Has Came to Life

Step 8: Then You Need to Do the First Operation and Now the Battery Is Working

Picture of Then You Need to Do the First Operation and Now the Battery Is Working

Step 9:

Comments

Swansong (author)2017-11-20

I'm glad you could fix it :)

18650Factor (author)Swansong2017-11-20

I am also very happy, thank you

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Bio: just do it yourself
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