Although in most people’s mind, the original battery is better than the replacement battery, but the original battery’s price is too expensive to buy, in addition the replacment batteries have been in the market for many years. Existence is reasonable, besides, the replacement batteries have been tested strictly before leaving factory, such as the certification and identification of ISO9001/9002,CE,UL,CUL,TUV,ROHS. The price of replacement battery is much lower than original one, so why not choose the original battery? As a replacement cheap laptop battery, Dell inspiron 9400 battery have more advantages to exceed the original battery. 1. The Dell inspiron 9400 battery use of lithium-ion technology, lithium ion battery is very cheap and useful material, general Li-ion battery have no memory, so we need not to wear out before charging battery. 2. Standard parameter. The capacity of Dell inspiron 9400 battery is 4400mAh, this is specially designed for Dell inspiron 9400 laptop, this capacity can make the laptop more power. The voltage is 11. 1V, our motto in the factory is “Products must be strictly, not carelessly, inspected before they leave the factory. ” Our aim is supplying high quality product, make our customer more faithful. Length of Dell 9400 battery:209. 40 x 71. 80 x 19. 80 mm. The length of battery is very vital, very simple, the battery will install on the laptop, if any mistake in the length, the battery is below standard, it can’t use. 3. Compatibility. In order to protect our environment, protect our earth, every manufacturer have the duty to design the battery with high compatibility, all the environmentalist knows that the terrible aftermath if the battery can’t in common use. Dell inspiron 9400 battery can fit the batteries and laptops. The batteries: