Battery type: Li-ion; Cells: 6-cell; Capacity: 5200mAh; Voltage: 11.1V The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. Compatible Models: ACER Series NV58 4732Z-432G25MN 4732Z-431G16Mn 5332-312G32Mn 5516-5063 5516-5128 5516-5196 5516-5474 5516-5640 5517-1127 5517-5078 5517-5086 5517-5136 5517-5535 5517-5700 Aspire 4732 Aspire 4732Z Aspire 4732Z-452G32Mnbs Aspire 5332 Aspire 5334 Aspire 5516 Aspire 5517 Aspire 5517-1208 Aspire 5517-1216 Aspire 5517-1502 Compatible Models: ACER Series Aspire 5517-1643 Aspire 5517-5086 Aspire 5517-5661 Aspire 5517-5671 Aspire 5517-5997 Aspire 5532 Aspire 5532-203G25Mn Aspire 5532-314G32Mn Aspire 5532-314G50Mn Aspire 5532-5509 Aspire 5532-5535 Aspire 5532-6C3G32MN Aspire 5732Z Aspire 5732Z-4280 Aspire 5732Z-433G25Mn Aspire 5732Z-443G25Mn 5732Z-443G32Mn Aspire Aspire 5732Z-444G32Mn Aspire 5732Z-4598 Aspire 5732Z-4867 Aspire 5734Z kAWG0 Compatible ModelsEMACHINE Series D