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For trickle charging of small 12V batteries (an external charge controller is always recommended when connecting to batteries
Smart LCD Display: Shows the exact battery percentage
USB Charging Cable: For charging the power bank from the USB port (usually included)
High Portability: The low weight (0
POWERplus Bob Cat Saltwater Car STEM Kit toy For trickle charging of smallBuild Your Own Saltwater Buggy The POWERplus Junior Bob Cat is a DIY STEM construction kit that allows children to build a working buggy powered by a saltwater fuel cell. It combines hands on construction with energy based learning. Saltwater Fuel Cell Technology The vehicle runs on a magnesium air (Mg Air) fuel cell. After adding a small amount of saltwater solution, a chemical reaction generates electricity to power the motorno batteries required.
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