As the battery discharges, the voltage drops. Adapter only works with battery fully charged or removed: HP dv7 turns off automatically after approx.5 mins on fully charged battery power only (no AC plugged in). After a few hours of working, the laptop just shuts down. As I tried to charge the battery I also noticed it charging for only a short time. As the temperature rises, the battery sensor may misfire, telling the system that the battery is either fully charged or missing completely, causing the charging problems. It's a Li-Ion battery, so it shouldn't have needed special conditioning and the unit should shut off power to battery automatically if it is fully charged. Battery Charged at 97%. When I put them back in the lights and ignition and everything doesnt work? Looks like the battery indicator. 21. A fully charged battery should have about 12 volts ready to go. I have a 19.2V Sears portable drill, and it came with a 1-hour charger and 2 Craftsman/Diehard Battery 130279005/BD0702 batteries. For Makita battery compatible, plug a not full charged compatible battery into Makita charger, it is charging if the charging light change frome green to red, otherwise incompatible with the charger. Apparently these are Nicads. The car still started and runed fine. Ubuntu 15.04 on laptop - “When plugged in” setting not enforced after battery is charged to 100%. A 75% charge is about 12.4 volts, 50% is about 12.2 Volts and if your 12-volt battery reads 12.0 volts it is only about 25% charged. It means it is fully chared but all batterys are only one bar lit meaning only 25-30 % charged. Replace battery Replace AC and leave til charged to max (indicates stopped charging or just leave for 12 hours). I guessed that the generic charger was either not charging the phone quick enough (it's half the rate of the correct one) or it was not switching off when fully charged and overcharging the battery. First introduced in October 2017, the Solar Lawn Truck is … Both want a fee to fix. This will enhance the life of the battery. It should read at or near zero. (there is no battery) 0. The batter has been working fine so I assume that when it dies, it does it rather slowly, not … The battery I am using is my spare, the one that came with the car is completely flat (not sure if dead) and I have no way or charging (have asked for a battery charger for xmas! There's a slight possibility that the charger itself is not working but that's not likely. Okay, got through...the help line says they are not able to help me, brand new battery, fully charged, not working.....I will be telling my 492,000 readers to avoid your products like the plague. In fact, the manufacturer goes so far that they compare this model to a gas-powered outdoor garden tool plus it does not produce any by-products of gas. Battery recognized and 100% charged but not working [closed] Ask Question Asked 9 years, ... upper right corner says battery is charged 100%, why? ! But that idiot light or gauge might not be working the way it should. Doing the math 6*2.12 gives a voltage of 12.72 Volts for a fully charged battery. Powered by a pro-grade 60V lithium-ion battery, the Greenworks Pro 60V cordless axial leaf blower delivers more power and performance than typical gas-powered blowers, without the noise, fumes, or harmful emissions. The Greenworks G40UC Universal Charger accepts any Greenworks 40V Battery. After the break-in period, you’ll want to charge your electric bike battery to around 80-90% fully charged. Ideally, you should do this every 30 cycles, after a break of not riding, or bi-annually. The charger has 3 lights: Charging, Fully Charged and defective. BATTERY CHARGER SPECIFICATIONS 80V charger: 2901402 Input: 120VAC, 60Hz, Max. Low Voltage Charging: If the battery has been stored with little to no charge for a long period of time, the charger will go into recovery mode, which will take 20 hrs to fully charge the battery. Thanks. When i am working on battery power only and I know the battery is discharging the indicator continues to show 100%. Greenworks 40V battery and leave til charged to Max ( indicates stopped charging or just leave for 12 hours.. A laptop/phone battery or a car battery the light was continuously red whether. It will again start to charge it again know the battery to 100 % what does it?. Charging or just leave for 12 hours ) a battery charger SPECIFICATIONS 80V charger 2901402... 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