TN Inventor - Tip of the day: 9v Alkaline battery have a capacity of 500 mAH , milli amp hours, its useful for low power application and have around 10 years shelf
![I dropped a 9v battery & discovered there is actually 6 smaller batteries inside : r/mildlyinteresting I dropped a 9v battery & discovered there is actually 6 smaller batteries inside : r/mildlyinteresting](https://i.redd.it/3chkefbp4cd61.jpg)
I dropped a 9v battery & discovered there is actually 6 smaller batteries inside : r/mildlyinteresting
![Amazon.com: 9 Volt Rechargeable Lithium Battery 1000mAh Capacity,USB Quick Charge in 2 Hours,2 Packs,9V Batteries for Smoke Alarms,Rofessional Audio,Electric Guitar,Metal Detector,Multi-Meter, Medical Devices : Health & Household Amazon.com: 9 Volt Rechargeable Lithium Battery 1000mAh Capacity,USB Quick Charge in 2 Hours,2 Packs,9V Batteries for Smoke Alarms,Rofessional Audio,Electric Guitar,Metal Detector,Multi-Meter, Medical Devices : Health & Household](https://m.media-amazon.com/images/I/71wS4WrrfUL.jpg)