as far as replacement batteries go the satellite m40 by toshiba is designed from the ground up to be powerful and reliable, there for you when you need it. the satellite m40 is made from the ground-up with first-rate materials. it has also been guaranteed to equal or out-perform toshiba's original specifications. our huge inventory and extra low pricing make us the choice for batteries - batterytex.com. our huge inventory and extra low pricing make us the choice for batteries - batterytex.com. need battery specs or want to save more on bulk orders? call our battery specialists now at 1-888-825-6661. need other laptop - desktop batteries batteries? browse our complete stock
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more from this manufacturer: toshiba batteries are judged on how strong they are, how long they last and how well they're built. our batteries meet all of these qualifications and with amazing prices as well! if you want information on the manufacturer warranty please reach out to us with the specific battery you're interested in. standard warranties are for one-year however. *** ALWAYS CHECK PIN POSITIONS ****************************************** NOT TO BE USED IN SATELLITE *****M40-S312TD,M45-S165,M45-S1651,M45-S165XM45-S169,M45-S1691,45-S165X,M50(PSM53E)M50-180,M50-227,M50-228,M55-S139,M55-S139X****************************************