What can i check for when the battery is charged but the bike will still not work

Depends on the battery... a "toy" battery may only need an hour or two....a motorcycle battery may need 12 hrs @ 4 - 6 amps - depending on the type of battery....a car battery may need 10 amps for a short time (4 hrs) because they come pre-filled and charged. I NEVER depend on the "charge" of a new automotive battery (of any type)..I always charge them for at least 4 hrs @ 10 amps before initial use!! ...they seem to last longer

BUT - AS a RULE = 10 hrs @ 10% of the rated amperage...

You need an auto electrician to check out your vehicle's electrics.

is the battery old , if not you could have a defective battery, you need to test battery or take to place you bought it and have it tested, try this if battery old, take a small piece of fine sand paper and scuff the copper ends of battery very lightly, use a cloth to clean, reinstall in camera and try to charge if there is no charge, good chance battery is defective, note *** battery will take approx,6-8 hrs to charge if old , new approx 12 hrs hope this works,,

remember new batteries take 12 hrs to charge....

The battery is defective. first, you have to check the voltage of the battery if low than 12 volt need to charge. Try to charge the battery outside the unit. if this is already charge in 2 hrs then install it. check you ups if works. fyi. Battery last only for 1 year or 2 years depend on the use. Your lucky if reach higher year of use.

correct if it has charged for a full 12 hrs then the battery needs replaced

You can damage electrical components if you do not run the correct voltage battery. If your battery is below 12 volts replace it. If you take off the seat you can easily test the stator with a volt meter. Find the stator plug with three yellow wires. You should have continuity between any combination of the yellow wires. You should have no continuity between any of the yellow wires and ground. That is the test of a good stator. If your bike is still losing charge after those checks , you are probably looking at a new regulator/rectifier.

New battery will typically take 12 hrs for first charge.

bateries have their own specifications.You can read it on the label.But,most of all it must be charge from 12-15 hrs. on its very first charging ( for a new battery) and later on or for the second time and so on, you may charge it 2 to 4 hrs.,sometimes 8 hrs..Leting you know,a battery can be charge even a short span of time,for example is 30 minutes only.In that 30 minutes try to measure its stored volt using a volt meter or a multi-tester,and the result is laready 12 volts (if your batery is 12 volts.)do you believe that? YES.! because a battery is so easy to store power.But,the problem is that its so easy to drain its stored power.You know why?because the current or amper of the baterry is still weak that the given specification.,.So,for short explanation,the longer time you charge your batery equals the longer time to drain the power.For example: when you charge the batery within 4 hours,thus the batery will be drained after 4 hours.

i know this sounds silly ,but when you bought the battery had it been activated,new batterys are critical in their first charge and you cannot use a standare type automotve charger,if bought dry the battery needs to have the acid filled ,left to sit for at least 2 hours prior to charging,once it has sat for the 2 hrs with the acid in,the new battery will need to be charged with a "cteck"or similar type charger for at least 13 hrs before it can be put into normal service,what happened with yours i think is that sure you gave it a charge but it has only recieved a "surface charge"and will be usable for a very short time,it may recover for a brief period and go again untill the surface charge dissipates,(or in other words ..runs out of charge)best thing you can do with the battery is take it to a auto electrician and have the battery cycled and conditioned,this is not expensive to do and will give you piece of mind,after conditioning the battery shouldngive excellent service,i have the battery in my goldwing coditioned about every 12 months and i have the same battery that was in the bike when i bought the bike 8 years ago and still no electrical or battery problems(costs about $25 to get it done)once a year but that beats $280 for a new one...hope this helps