
Diving Pump 3inshplastic Impeller Solar Submersible Deep Well Water Pump. 2-Year Warranty Coverage: Comprehensive warranty covering all mechanical defects for the pump's operation. No MOQ Requirement: Minimum order quantity is 1 piece, allowing for trial sample orders without restriction. Fast Lead Time: Samples shipped within 2-3 days; quantity orders shipped within 10-15 days after confirmation. MPPT Controller Included: Features advanced MPPT technology for optimized solar energy conversion and stability. Brushless DC Motor: High-efficiency motor with 25% improved efficiency using permanent magnetism and copper wire. Stainless Steel Construction: Constructed with AISI 304/316L stainless steel for shaft, body, and screw for durability. Multi-Stage Pump Design: Semi-open impeller design suitable for deep well applications with high head capability. Cloudy Day Performance: Capable of pumping 10% water flow even on cloudy days due to controller stabilization.