Battery type: Li-ion; Cells: 4-cell; Capacity: 2200MAH; Voltage: 14.8V. The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. Compatible Part Numbers: AL12A32 AL12A72 AL12A52 AL12A42 AK.004BT.097 KT.00403.012 KT.00407.001 KT00403012C2262E714B301 B053R015-0002 TZ41R1122 TQ41R1122 C5LX 4ICR17/65 41CR17/65 NX.MZCAL.022 NX.MZCEU.008 NX.MZDEG.010 NX.G6CEH.002 NX.MZDEG.018 NX.MQ6CN.001 NX.MZDEH.005 NX.MRUEG.003 NX.MZDEV.002 NX.MRUEK.011 NX.MZDSM.001 NX.MRUEP.001 NX.MRUEV.002 NX.MZCAL.007 NX.MRUEV.003 NX.G6CEV.002 Compatible Models: Acer Aspire V5 Series V5-171 V5-431 V5-431G V5-431P V5-431PG V5-471 V5-471G V5-471P V5-471PG V5-473G V5-531 V5-531G V5-531PG V5-551 V5-551G V5-561 V5-561G V5-561P V5-561PG V5-571 v5-571 V5-571G V5-571P V5-531P V5-571PG V5 V5-431 V5-Touch series Acer Aspire V5-171 Series V5-171-6422 V5-171-6471 V5-171-6675 V5-171-9620 V5-171-9661 Compatible Models: Acer Travelmate NE-510 Acer Travelmate P