This replacement Dell Vostro 3400 battery has an integrated microchip which can prevent overcharging and lengthen the life of battery. It is made with Grade-A battery cells from Panasonic and fits Dell Vostro 3400 laptop perfectly.
All our replacement Dell Vostro 3400 batteries have passed international certification( CE, UL, ROHS, ISO9001/9002 etc.), guaranteed all batteries for Dell Vostro 3400 are high performance, long-life and safety, 100% OEM compatible with the original specification, no memory effect.
Normally this 9 cells Dell Vostro 3400 battery can be charged/discharged 600-850 cycles and can lasted 3.5-5 hours or longer( depending on different operation system, screen brightness and Wireless/Bluetooth devices etc.).