LB1 High Performance HP Presario C757EM batteries are designed to complement the fit and finish of your HP notebook. This battery is manufactured using the highest quality battery cells with integrated charge indicator LEDs. Depending on the capacity you've selected some upgrades last up to 68% longer than the factory issued laptop battery. This battery will perform better and fit more snugly than anything else on the market.
Every HP Presario C757EM replacement laptop battery is thoroughly tested for safety and certified in our ISO 9001 factories and have received the RoHS certification to show that it's free of lead, mercury, cadmium, PBBs, and PBDE.
The Exact Match System guarantees every HP Presario C757EM Professional replacement laptop battery to be 100% compatible and optimized for your OEM system.