How much should a KIA RIO battery price would be?

My car battery is weak.Mechanic just want me to change to new one that cost up to RM250.Is there any alternative?Anybody know any mechanics near Arena Green Apartment, Bukit Jalil?Pls let me now...How much should a KIA RIO battery price would be?look on web for battery prices...idon't know what RM250 means..but in us a battery is 39 dollars to 100...on a little kia....39...mechanic should not charge much...takes 5 min to put inHow much should a KIA RIO battery price would be?Just compare the Cold Cranking Amps(CCA) on your battery and purchase a decent quality one, aviod the cheapest ones.