TAKING THE CPA EXAM ................................................................................... 12. Problems at a Prometric Testing Center.............................................................
Hearing aid batteries last anywhere between five and 14 days depending on the above factors. You will know it's time to replace your hearing aid batteries when the aids start beeping. One solution to save money and make batteries last longer is to purchase rechargeable batteries.
Regardless, letâs take a look at how long the battery pack will last. Each of the 8 batteries generates about 1.5v of current (DC). When combined they have about 2000 mAh (mili-amp hours) of capacity. My 16 feet of LEDs draw about 2000 mAh. This means that the light will be powered for approximately 1 hour.