See below to learn how to calculate your Social Security taxes: 1  The Social Security tax rate for 2015 is 6.2% for the employee portion and 6.2% for the employer portion. 2  In other words, if you work for someone else, you pay 6.2% of your income as Social Security taxes and your employer matches this amount.
Then again, you can do either of two reasonable things: use a USB data cable and your computer to charge the phone, or buy a Cellboost disposable charger to get some extra life out of your battery.(Thomas Hooke/Demand Media). Charging a Phone with a USB Data Cable.hen again, you can do either of two reasonable things: use a USB data cable and your computer to charge the phone, or buy a Cellboost disposable charger to get some extra life out of your battery.
To charge a 12-volt lead acid battery (six cells) to a voltage limit of 2.40V, set the voltage to 14.40V (6 x 2.40). Select the charge current according to battery size. For lead acid this is between 10 and 30 percent of the rated capacity.A 10Ah battery at 30 percent charges at about 3A.earn how to charge a battery without a designated charger. With technical knowledge, batteries can be charged manually with a power supply featuring user-adjustable voltage and current limiting. I stress manual because charging cannot be left unattended; charge termination is not automated.