New Compatible Magsafe 1 Charger 85W for Apple MacBook Pro 15" & 17" Made in 2008, 2009, 2010, 2011, Mid 2012, Model A1150, A1151, A1172, A1174, A1211, A1222, A1226, A1229, A1260, A1261, A1286, A1290, A1297, A1343

Package Includes:
1 x 18.5V 4.6A 85W compatible power adapter for Apple MacBook Pro 15" &17" Made in Early 2008-Mid 2012

1x USA plug

Specification:
Condition: 100% New, replacement made by 3rd party
Input: AC 100-240V, 50-60Hz
Output: DC 18.5V 4.6A
Connector: Magnetic tip 1/2 inch 5 pin magsafe 1

Compatible Model:
MacBookPro (15-inch, Mid 2012)
MacBook Pro (15-inch, Late 2011)
MacBook Pro (17-inch, Late 2011)
MacBook Pro (15-inch, Early 2011)
MacBook Pro (17-inch, Early 2011)
MacBook Pro (15-inch, Mid 2010)
MacBook Pro (17-inch, Mid 2010)

MacBook Pro (15-inch Mid 2009)
MacBook Pro (17-inch Mid 2009)
MacBook Pro (17-inch Early 2009)
MacBook Pro (15-inch Late 2008)
MacBook Pro (17-inch Late 2008)
MacBook Pro (15-inch Early 2008)
MacBook Pro (17-inch Early 2008)
MacBook Pro (15-inch 2.4/2.2GHz)
MacBook Pro (17-inch 2.4GHz)
MacBook Pro (15-inch Core 2 Duo)
MacBook Pro (17-inch Core 2 Duo)
MacBook Pro (15-inch Glossy)
MacBook Pro (17-inch)

Connector for Mac notebooks are available in MagSafe, MagSafe 2 and USB-C; Power adapters are available in 29W, 30W, 45W, 60W, 61W, 85W, and 87W varieties. You should use the appropriate wattage power adapter for your Mac notebook. You can use a compatible higher wattage adapter without issue, but it won't make your computer charge faster or operate differently. Lower wattage adapters don't provide enough power.
How to choose the CORRECT charger: