It is best to use the charger to downgrade, insufficient battery could lead to your psp getting bricked. Some down graders and up graders require you to have at least 75% battery life, even when you have the charger pluged in.
Most good battery chargers are automatic and will stop charging when the battery is fully charged. But if the charger is a manual charger it can overcharge the battery. With this type charger it is up to you to remove the charger when the battery is fully charged. Normally this is based on the amount of time the charger takes to charge the battery pack. Operators manual will list the time.
You bet you can. That is why it is always advisable to use an automatic charger that shuts off when the battery is fully charged. If you do not have one then charge it for a couple of hours and then remove the charger and check the voltage at the battery. A fully charged battery will read 12.6 volts. 12.4 at 75% charge, 12.2 at 50% charge, and 12 Volts at 25%. If it is not fully charged then put the charger back on a little longer.
Remove the battery from under the driver's seat. Connect it to a small battery charger suitable for motorbikes. Connect the leads to the terminals. Charge until the meter on the charger shows that the battery is fully charged.
Other than using a charger to charge the 3DS, the only other option is to replace the 3DS battery with a fully charged one.
A battery float charger is intended only to keep a fully charged battery from losing its charge. It will NOT work to charge a battery that is discharged or damaged. Check the voltage of the battery to be charged. Do not use charger if the battery voltage is less than 9.6 volts.
Till the battery is fully charged. -Could be 4-12 hours.
That depends on the battery, and the charger. my charger has different settings for higher amps to give a faster charge or jump. A fully charged battery will show 12.6 volts. The charger will read it's maximum amperage if the battery is totally discharged. A fully charged battery will read 12.6 volts with a digital DC volt meter. If it reads 12 volts it has less than 25% charge.
Add Distilled water to the battery and then charge it fully with a battery charger. Do not add tap water.
Disconnect the positive battery cable and charge it with a slow charger. Clean and reconnect the cable once the battery is fully charged.
It is best to drive home and put a battery charger on the battery and let it fully charge. Letting it charge with the alternator puts a strain on the alternator and should be avoided if possible. But if you have no charger then you will need to let the engine run for around 30 minutes to charge the battery enough so that it will start the next morning. It will take a couple of hours of driving to fully charge the battery.
New batteries almost always come fully charged. If it was not then charge it with a battery charger and do not use your vehicle alternator to charge a dead battery. You may do harm to the alternator which is not built to charge a dead battery but is instead built to keep a good battery fully charged.
A DS Lite Charger can be used to charge a Nintendo DS Lite. It's best to always fully charge the battery once it's empty. This will give a longer live to your battery.