A good way to test the sealant's effectiveness on your Granite countertops is to spill water on a small area. If the water beads up, Granite countertops are still sealed. If the water starts to seep into the Granite, causing the Granite to appear darker, it is time to re-seal.epending upon usage, your Granite countertops should be sealed twice a year. Cabinets and Countertops recommend sealing every 6 months because some household cleaners may cause your sealer's bond to weaken.
As a simple guideline, a battery on a two-way radio having a capacity of 100 percent would typically provide a runtime of 10 hours, 80 percent is 8 hours and 70 percent, 7 hours. The service life of a battery is specified in number of cycles. Lithium- and nickel-based batteries deliver between 300 and 500 full discharge/charge cycles before the capacity drops below 80 percent.
Battery. A battery is a hardware component that supplies power to a device, enabling that device to work without a power cord. Batteries are often capable of powering a laptop computer for several hours depending on how much power it requires. battery is a hardware component that supplies power to a device, enabling that device to work without a power cord.