The 14.8V 40Wh(4 cells) Dell Inspiron 15(3521) laptop battery is made of high-quality lithium-ion battery cells, which has been tested to be brand new and totally compatible with the original manufacturer specifications, meets or even exceeds the original battery performance. With high-quality battery cells and materials, your laptop will run longer and more secure. Moreover, this battery has no "memory effect" and you don't need to discharge before each charge. It is more convenient for you to use our replacement Dell Inspiron 15(3521) batteries
pin dell 3521 Our Dell Inspiron 15(3521) laptop battery which we design is in strict accordance with the highest control standards. It carries with a smart interior circuit board that provides battery-unbalanced-shut-off protection, thermal runaway protection, overcharged protection, over-discharged-shut-off protection, and high/low-temperature-shut-off protection. Dell Inspiron 15(3521) notebook battery is made of environmentally friendly materials, without lead and mercury. It is certified as a safe and reliable product through a series of rigorous tests on the Dell examine system. Battery pin dell 3521 the best.
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