CWK 7800mAh 9 Cell New High Capacity Battery for Gateway NV55C ( PEW91 ) NV55C16e NV55C03u NV53A71U NV53A73U Acer Aspire 5742Z-4371 5742Z-4586 5749-6863 5749-2333G32Mikk 7750Z-4495 7750Z-4623 7751-2818 7751-3141 PACKARD BELL EasyNote TK87 ( PEW91 ) TK87-GU-210 Acer Aspire 5552-3942 5552-3706 5552-3680 5253-BZ660 AS5742Z-P613G25MNKK AS7741Z-4815 P5WE6 4253, 4551, 4552, 4738, 4741, 4750 US 5733Z-4845 5733Z-4851 5733Z-4883 5736Z-4790 5560G 5560T 5560Z 5560ZG 5733 5733Z PEW71 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!