NinjaBatt Laptop Battery for Acer AS07A31 AS07A51 AS07A41 AS07A71 AS07A75 Aspire 5740 5335 5535 5536 5542 5735 5735Z 5738 5738ZG 5740G 4736Z 4730Z 4736 5332 &ndash; High Performance [6 Cells/4400mAh/49wh] PREMIUM QUALITY REPLACEMENT NOTEBOOK BATTERY: Bring your laptop back to life with Ninjabatt's high quality laptop battery - Made of high quality materials, top grade battery cells and packed with safety features. TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement notebook batteries are tested to meet OEM specifications. Our 6 cells Li-ion battery is rated at 49wH/4400mAh/11.1V - true charge capacity that wont let you or your laptop down. SAFETY FIRST: Dont fall into buying cheap and unsafe batteries, our batteries are UL/CE-/FCC-/RoHS certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections. HIGH QUALITY COMPONENTS: Our Laptop batteries are assembled from top quality material and circuit boards to ensure durability and performance, our batteries are equipped with grade A battery cells that provide up to 500 charging cycles. Will Also Fit: Acer Aspire 4935 4935G 4736G 4730 4330 4315 4310 2930Z Reliable performance Extended battery life Safe use anytime, anywhere