Gian Bhandal, also aged 82, was found dead on January 23 at a house on Trehernes Drive, Pedmore.
Her death was initially treated as unexplained, said West Midlands Police.
But following further enquiries her husband Pargan Singh Bhandal was arrested on Wednesday .
Police confirmed today that he has been charged with murder.
Bhandal appeared at Leamington Justice Centre today and was remanded in custody until his next court appearance.
Mrs Bhandal’s relatives are being supported by a specialist police family liaison officer.