Can I substitute a lower Amp Hour (Ah) battery with a higher one?
As long as the battery that you are substituting is the same voltage, you can use a higher capacity (higher Ah) battery than the original one. The reverse is also true. Using a battery with a higher Ah will improve the device’s running time on a single charge. This feature is important if the power frequently goes out or is out for long periods of time. However, the higher the Ah is on a battery the bigger (physically) it will be. Make sure the dimensions of the new battery will fit in the designated space. You must also keep in mind that the charge time for a higher Ah battery will be longer than a lower Ah battery. How to change a Home Security System Back-Up Battery? When the battery that powers a house alarm begins to lose its ability to function, a warning will normally display on the front panel of the alarm. Typically, the message will indicate that a technician needs to be contacted in order to replace the battery. However, calling a technician can be expensive, when the work i