Lenovo Lithium Ion ThinkPad Battery 68 + ( Manufacturer P/N ; 0C52862 ) Extended Run Time 6 Cell System Battery, 72Wh, 10.8 v, 0.74 lbs Lenovo Original Manufactures Factory Authenticity Sealed Retail Packaging. Compatible with X240, X250, X260, X270, W550, W550s, P50s, L450, L460, L470, T440, T440s, T450s, T450, T460, T460p, T470p, T550, T560. Lenovo Model Numbers Are Suffix Specific. The T470 uses Part Number 4x50m08812. Lenovo Lithium Ion Battery 68+ Has Over Discharge Protection. When Searching for a battery - search by the Number on your old battery that is in the Red Circle. This one is battery 68+. Lenovo Battery 68+ Is Safeguarded With A Chip To Authenticate Itself With Lenovo Systems.When Searching for a Lenovo Replacement Battery ; Search by the Number on your old battery that is in the Red Circle. Lenovo Battery Reset May Be Needed If Your System Is Not Recognizing The Item. Remove And Re Install The Item To Fix This Issue. This Is Due To Recent Windows Updates.