So wall outlet power is AC (alternating current). Solar panels provide DC (direct current). In order to use your pump which probably uses 120V AC then you''ll need an inverter. The problem with
Lithium Iron PhosphateLead AcidAmp-Hour RatingsSeries vs. Parallel Wiring batteries in series doubles the voltage while keeping the capacity the same.Alternately, wiring the terminals in parallel keeps the voltage the same while doubling the stored capacity.See more on familyhandyman Github
Refer to this blog post: Homemade solar harvester to power your outdoor projects. Version 2 specific info and updated assembly instructions are here: Outdoor solar harvester v. 2.0.
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