ZPower - https://www.ZPowerHearing.com
Tip #1. Fully charge your batteries every night. This may take up to 7 hours.
Tip #2. Always charge your Zpower batteries when you are not using them. Don't worry, they won't overcharge. If you aren't going to use them for a long time, take them out of your hearing aids and put them in a safe place.
Tip #3. Don't try an use tricks to extend Zpower battery life. Many of them could just reduce the performance of your batteries. Use interchangeable disposable batteries instead. Tip #4. Don't place your batteries with other metal objects. This can cause your rechargeable hearing aid batteries to short circuit.
Tip #5. Keep your equipment clean. Clean equipment is happy equipment. Keep them clean by using a soft tissue, don't completely submerge them in a cleaning solution.