Enter [DIY King 00], who has shared his build of a cordless water pump! The pump uses an 18 volt brushed motor and is powered by an AEG 18V LiPo battery. That’s the same battery as the rest of ...

[Quint Builds] attempts something up that alley by using solar power to pump water up onto his roof and later releasing it for power generation. (Video, embedded below.) Earlier [Quint] had built ...