Miley Cyrus

my psp battery isn\’t working?

i have a psp 1001 and the system isnt recognizing that the battry exists, it turns on when plugged into the AC adapter and when i try to charge it the ornage light stays on for a split second then disappears, any help would be appreciated, by the way, im not uying a new one unless absolutely necessary, i will repair it myself so if you have any help on how to fix it personally then thanks.