Replacement BTI battery for Lenovo THINKPAD X280, A285 SERIES, 01AV470, 01AV471, 01AV472, 3ICP6/38/64-2, 5B10W13920, 5B10W13922, L17C6P71, L17L6P71, L17M6P71, SB10K97617, SB10K97618, SB10K97619, 11.4 4210mAh, 48 Whr 6 Cell Li-Lo