High Notebook Laptop Battery 4400mAh for Medion Akoya E7211 E7212 P7611 P7612 P7614 P7810 MD97437 MD97513 MD97558 MD97860 MD97288 MD97447 MD98160 MD98190 replaced BTP D4BM BTP D5BM 40,029,778 (Electronics)
Have purchased the battery a year ago, initially everything was fine. Battery power was about 3 hours, for two weeks the battery cable goes noticeably down and is currently about 20-30 minutes and after just 14 months. According to the manufacturer,