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Battery acid has a ph value of 0.8, I tested Coca-Cola and tap water from Norway. : r/mildlyinteresting
A 1.51 V pH neutral redox flow battery towards scalable energy storage - Journal of Materials Chemistry A (RSC Publishing)
![Meter Batteries - pH and EC - LR44 - Isabellas Hydroponic Nursery & Garden CentreOakabella Pty Ltd Trading as Isabella's Hydroponic Nursery and Garden Centre Meter Batteries - pH and EC - LR44 - Isabellas Hydroponic Nursery & Garden CentreOakabella Pty Ltd Trading as Isabella's Hydroponic Nursery and Garden Centre](https://hydroponicnursery.com.au/wp-content/uploads/2019/05/Battery.jpg)
Meter Batteries - pH and EC - LR44 - Isabellas Hydroponic Nursery & Garden CentreOakabella Pty Ltd Trading as Isabella's Hydroponic Nursery and Garden Centre
![Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/3898-05.jpg)
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: RunCam Emax Tinyhawk 2/3 Batteries 450mAh 1S OEM Lipo Battery 3.8V with JST-PH 2.0 Connector for Tinyhawk 2/3 Freestyle Tinyhawk/S EZ Pilot Mobula Micro FPV Drone(4 Packs) : Toys & Games Amazon.com: RunCam Emax Tinyhawk 2/3 Batteries 450mAh 1S OEM Lipo Battery 3.8V with JST-PH 2.0 Connector for Tinyhawk 2/3 Freestyle Tinyhawk/S EZ Pilot Mobula Micro FPV Drone(4 Packs) : Toys & Games](https://images-na.ssl-images-amazon.com/images/I/71G6bsdbQ9L._AC_UL210_SR210,210_.jpg)