There could be a variety of reasons for the battery malfunction, some of which are listed below:
a) low battery voltage due to long term storage without charging (>1 year, charger will not charge if the voltage is too low. What is the voltage?),
b) cell imbalance due to shorting out the terminals (was the battery used for other purpose than running power tools?),
c) internal corrosion caused by exposing the battery to damp environments during its life (need to open the battery and look for signs of corrosion on the cells. Was the battery left out in the rain at some point in time?),
d) battery age, ie, the cells may have reached their end-of-life based on the number of charge cycles (what are the estimated number of cycles?),
e) faulty charger (does the charger charge other batteries?),
f) internal battery damage with broken connections (has the battery been dropped or mishandled at some point?).
More details should be provided before suggesting possible solutions.
SOURCE: Ryobi 18V lithium battery won't charge
Hi, Thanks for getting back to me. The yellow and blinking red indicate a defective cell. Since it has lithium cells and is that new any repair to it would be a waste of your time. Ryobi tools purchased in 2008 have a 2 year warranty. I am guessing you probably got it at a home depot and you should return it under the warranty. All new Ryobi tools have a three year warranty. Good Luck! and Thanks for using fixya!
SOURCE: Compatability issues with new Ryobi Lithium Ion Batteries
i have the same problem and have returned once for replacement charger and battery, still no working well help [email protected]
thanks
SOURCE: will a nicd charger work to charge lithium-ion
no, I would not try this. You can charge a nicd battery on a lithium-ion charger but not the other way around.
SOURCE: can I use the ryobi
No. The P110 is for NiCad batteries. Any of the Li-Ion chargers like the P113 are backwards compatible and can charge either but do not try to charge Li_ion batteries in a NiCad or NiHi charger.
SOURCE: Ryobi Two 18V Lithium-Ion Batteries + Lithium-Ion
You are the thrid person in the last couple of days with this same problem and i check who was posting the problems all differant people all RYOBI 18V lithium-ion batterys and they all got them for christmas. SOMETHING is not right there is now warranty on the batterys but there is one on faulty workmenship there must be a problem with this type of battery good luck
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