Alternator charging at 13.7amps does not keep battery charged

SOURCE: new alternator, and battery, still

see if anything metal is in the lighters like pennys.... i use to keep changes in the ashtrays and i couldnt figure out why i was getting any charge...

SOURCE: Check charging system

So you have a new alternator. I S IT CHARGING ? If the answer is yes , and the battery still dies, I would say there is a 12 volt drain in the electrical system. Hope this helps

SOURCE: installed new alternator and car battery still will not charge.

did you unhook the battery prior to installing the alternator

SOURCE: 1983 cadillac fleetwood brougham 4.1 liter battery not charging

check the alternator fuse that can be a fuse link by the battery pole,check alternator voltage on the alternator red wire or connector,it should the same as on the battery ,check ground wires for loose intermitent contact

SOURCE: My battery will not keep its charge. I'm assuming

When the car is off, your battery terminals should read about 12V +-.2V. After starting the car, the terminals should read 13V-14V +-.2V. This means that your alternator is working and charging your battery. If it's below 13V, then your alternator is not charging your battery and it reads above 14V, then it's overcharging and damaging your battery. If it is charging your battery properly, then you may have an electrical short somewhere that is drawing power off the battery even when the car is off. Unfortunately that will be hard to trace as you'd have to test all your wiring.