Our brand new 88wh / 66wh (15V) replacement Asus A42N1403 are made with high quality cells ( SANYO, BAK, SAMSUNG etc.), lasting as long as the original battery did. All of our Li-ion replacement batteries for Asus C21N1509 have been tested and proven to match and/or exceed original battery performance and 100% compatible with Original Manufacturer Specifications. Every piece of Asus A42N1403 has been tested on Asus systems to ensure the safety for your Dell laptop.

This high quality rechargeable Asus A42N1403 is designed with the highest control standards; have internal circuit boards with smart chips ( Cell imbalance shut off protection, Thermal runaway protection, Overcharge shut off protection, Over discharge shut off protection, High/low temperature shut off protection ), and are made from eco-friendly materials without lead or mercury. Every replacement Asus laptop batterry has been Certified by CE, UL, ROHS, ISO9001/9002 and has passed strict safety tests. Long lasting, this extended Asus A42N1403 battery can be charged/discharged for more than 500-700 cycles.