Nokia

I am very dissapointed with Nokia I bought two of their devices c2 within 7 months I started to experience a battery problem from both devices , charge them to 100% make one call or receive a massage then it goes to 0% . I tried to get a new battery I was told I can't gate original here in South Africa so I am stuck with two phones other brand batteries don't last so I can't keep on buying batteries now and then