At which ampere amaron make battery 12v 5ah should be charged?

 Question:

At which ampere amaron make battery 12V, 5AH should be charged?

Answer:

It is recommended that battery should be charged at about 25% of its amp-hour capacity. 

25% of 5 AH = 25*5/100 = 1.25 Ampere

So battery should not be changed at ampere more than 1.25 ampere.