Frustrated with 2 warranty repairs is SIX months and not willing to spend $100 on a new battery that will probably FAIL again, I developed this method to allow the RECHARGING of a Ryobi 40 Volt Li battery (not in the Ryobi charger) for less than $15.oo. I have only tried this on one battery, but the principals are sound.
With so many 40 Volt Li batteries FAILING on Ryobi equipment, my guess is that the logic used to control the charging is flawed (eg., charge the 40 Volt battery in a Ryobi charger, do lawn work for an hour, until the battery is exhausted, place in charger-after it cools down-and get the kiss of death Red/Green flashing lights. I even put mine in the frige for a few hours, STILL Defective, waited days, STILL defective, put on the charger for days, STILL Defective) I put my 2nd battery in the charger after use, CHARGES up completely. BOTH worked at first, now, for NO reason, AGAIN, ONE is defective!
Hope this helps. Please be careful.
UPDATE Got several comments/questions about size, capacity, nominal s, manufacturers. I am building several battery packs and use this site for all specs..
Also, If your building battery packs, this guy is a real guru:
In this video lets do a charging time test between Quick Charge 2.0 provided by Qualcomm vs Motorola’s Turbo Charging (Based on Qualcomm QC 2.0) Lets see whoi wins!
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Turbo Charger was provided in the box with Moto G4 Plus!
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If the lights get left on and the battery gets drained all the way down, you might be able to jump it to get it home but the battery won’t be fully charged. It’s best to put a battery charger on the car and top of the power so you have the confidence to drive the car without the concern of a dying again.
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Hello friends, I am Pratyush Kumar and i am very happy to upload my this new video upon how can you charge your 9v dc battery and I request you all to subscribe my channel first and then watch the video. I’ll be to happy if you share my videos (which you like the most) on your social platform.
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