56.2Wh Li-ion laptop battery

56.2Wh Li-ion laptop battery is a replacement battery identified for HP HSTNN-DB9J, intended to replace the matching battery in a compatible laptop. It is listed as an independent replacement part, unaffiliated with the original manufacturer.

Its four lithium-polymer cells sit in a black casing. The 7.7 V rated voltage and 56.2 Wh capacity identify its electrical specifications.

Compatible laptop families listed are HP Elite Dragonfly, Elite Dragonfly G1 and Elite Dragonfly G2. Associated battery references are EP04056XL, L52448-241, EP04XL, L52448-1C1, L52581-005 and HSTNN-IB8Y, which can help check whether it matches the battery being replaced.