40WH M5Y1K 14.8V A1406 Laptop Battery for MacBook Air 11'' A1370 (Mid 2011) and A1495 A1465 (Mid 2011 2012 2013 Early 2014 2015 Version) - Not for A1370 (2010) Computer PC Battery.

M5Y1K Battery(The internal PCB board of the M5Y1K battery has been upgraded to guarantee full compatibility with the original Dell 40Wh M5Y1K 14.8V battery. It is compatible with computers of any vintage, without any restrictions based on the computer's model year),User Manual for dell 40wh m5y1k 14.8v battery .For assistance with the DELL Laptop Battery 40WH M5Y1K or M5Y1K 14.8V 40WH battery for dell .
Compatible for MC968*/A, MC968CH/A, MC968J/A, MC968LL/A, MC968LL/B, MC968TA/A, MC968ZP/A, MC968E/A, MC968B/A, MC968LL/A* MD223*/A, MD223CH/A, MD223J/A, MD223LL/A, MD223LL/B, MD223TA/A, MD223ZP/A, MD223E/A, MD223B/A, MD223LL/A* MD711*/A, MD711CH/A, MD711J/A, MD711LL/A, MD711LL/B, MD711TA/A, MD711ZP/A, MD711E/A, MD711B/A, MD711LL/A*, MD711LL/B*, D86147408DADKRQAM, 2ICP4/46/66-1, 2ICP4/72/56-1 laptop Notebook battery, Dell 40Wh Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V
Compatible for Dell Inspiron 14 5000 series laptop Notebook battery.
Compatible A1465(Mid 2012,Mid 2013,Early 2014,Early 2015) A1370(Mid 2011) or EMC(2471,2558,2631,2924)--(See more specific models on the Product Description).. Note: This battery can work on Macbook Air 11'' A1370 Mid 2011 version, It's not fit Macbook Air 11'' A1370 2010 Version.
Replacement Battery for Dell 40Wh Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V Voltage: 14.8V Capacity: 40WH/2600mAh ; Cells: 4-cell; Color: Black, Condition:New, Battery life: More than 500 cycles, Packages includes: 1x M5Y1K battery,1x Instruction for dell laptop battery m5y1k