CWK 7800mAh 9 Cell New High Capacity Battery for Acer Aspire 5551G (75 ) 5552 ( PEW76 ) Acer TravelMate TimelineX 8473 MS2333 Series 8573 Acer Aspire 5551-2036 5551-2988 5551-2450 5551-4937 4339 4339-2618 4339-2619 4339-2675 4339Z 5551 (75 ) 5551-2384 5551-2298 5551-2012 7552Z 7560 7560G 7741 7741G 7741TG (MS2309) 5755Z 5755ZG 7251 7536Z 7551 MS2310 Series 5736Z-4085 5736Z-4507 5736Z-4297 5736Z-4799 5736Z-4336 4750-6825 4750-6827 4750-6846 4750-6856A4750-6887 4750-689 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 7800mAh (Better than 6600mAh) 90 Day Money Back. Buy with confidence!