On Order Haier Notebook, Laptop Battery Li-ion Battery fits Haier, S500, S500-i54200g40t01ndts 14.4V, 2200mAh CS-MD4211NB $94.09 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Battery selection is confusing. Leave the selection stress to the experts if you are really not sure. We can be contacted easily by live chat or by email. We almost always will respond to your query... Add to cart