Oneda New Laptop Battery for Acer Aspire 4253 4551 4552 4738 4741 4750 4771 5251 5253 5336 5349 5551 5552 5560 5733 5733Z 5741 5742 5750 5750G 5755 7551 7552G 7560 7741Z 7750G [6-cell / 4400mAh/48Wh] Brand: Oneda; Battery type: Li-ion; Voltage: 10.8V; Cells: 6-cell; Actual Capacity: 4400mAh/48Wh; Color: Black. Improve the service guarantee, Satisfaction guaranteed and backed by a one year replacement warranty. Oneda new high-quality batteries, 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection. Automatic power cut off at high electric current, voltage or temperature ensures safety and extended battery life. The actual operation time will depend on how much electricity is required by the device and how you use it.