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I am using micro SD card to log reading from four force sensors connected to the microcontroller (MSP430G2553). Controller logs reading to the SD card every 15 minutes and goes to sleep. I am using 1000 mAh battery, which is lasting over a week. Is it possible to reduce the power consumption as to make it last over a month. (#) Even if the microcontroller is sleeping for 15 minute, SD card is continuously consuming power. (#) It takes couple of mA to write. Help with any suggestion to reduce to power consumption drastically. Schematic and code (attached). Code_Datalogger_msp430g2553.txt