Try the charger again at a friends house, if that doesn't work contact the supplier for a warranty claim, or if out of warranty you may have to purchase a new one. Many different kinds of chargers can be found on Ebay for reasonable prices.
Shut the charger off when you plug the charger into the battery. The low charge on the battery will cause arcing when brought into contact with the charger. If the arcing continues with the charger shut off check the diode bridge in the charger, there may be a blown diode gone to ground. Make sure that the output of the charger is smooth DC at the proper voltage output. If there is a problem with the battery, the over load protection on the charger will trip due to excessive current draw by a faulty battery.
You need to buy a new battery look up which battery works with your laptop and buy it online
Depends on your charger. If it can handle 230v, there should not be a problem. It should say on charger, for example 110-240v. And remember to bring a travel adaptor, if the charger don't have a EU-plug.
There are two possibilities, either you have a defective charger or an old battery. Try charging it with another charger to see if it solves your problem; If not, it may be time for a battery replacement.
Too much current was flowing which caused an overheating problem. Can be the battery has a dead cell, or you reversed the cables.
You should consult a cellphone repair expert for a device inspection
It is normal for battery chargers to get warm while in use due to the energy conversion process. However, if the charger becomes excessively hot to the touch, it could indicate a problem with the charger or the battery, and it should be unplugged and inspected for safety.
If you know it is the battery then try using a charger to charge the battery, make sure that you clean the battery connection terminals. If the battery will not take a charge from a charger then replace it, if a battery gets too dead it can't be revived. Also, have your alternator checked before driving if you didn't cause the problem with sitting or leaving the lights on etc.
An exclamation mark warning light on a charger typically indicates a problem with the charging process or the battery. It may signal that the battery is not charging properly, is incompatible with the charger, or is experiencing a fault. In some cases, it could also mean that the charger itself is malfunctioning. It's advisable to consult the device's manual or manufacturer for specific troubleshooting steps.
The flashing light on the charger of a Ryobi trimmer typically indicates that the battery is charging. If the light is flashing rapidly, it may signal an error or that the battery is too hot or too cold to charge. If the light is flashing inconsistently or does not change to a steady light, it could indicate a problem with the battery or charger. Always refer to the user manual for specific troubleshooting information.
You can wreck the battery. Get a smart charger or trickle charger to avoid this problem.
I would suspect the battery has been discharged, is defective, or you have loose or corroded battery terminals. Remove and clean the terminals and if that does not solve the problem charge the battery with a battery charger. If it will not take a charge then replace the battery.