DC Solar Water Pump Controller
DC Solar Water Pump Controller
DC Solar Water Pump Controller
DC Solar Water Pump Controller
DC Solar Water Pump Controller
DC Solar Water Pump Controller
SKU: FLW-197K1500-72V

DC Solar Water Pump Controller

$200.00 USD$500.00 USD
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24V / 48V / 72V / 96V — Covers 140W to 3kW DC Pumps

Four voltage options for pumps from 140 W to 3 kW. Low startup voltage from 20 V (30 V on 72V/96V models) ensures reliable operation even in weak morning or evening sunlight.

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Built-in MPPT — Speed Tracks Solar Power Up to 4000 RPM

Real-time maximum power point tracking adjusts pump speed with available PV power. Stronger sunlight means higher RPM and more daily water output — no grid or battery required.

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3-Way Float Switch Control — Auto Start/Stop by Water Level

TH (tank full stop), TL (low level start), and WEL (well dry protection) terminals enable fully automatic operation for tank filling, irrigation, and livestock watering — no manual supervision needed.

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4-Point Dry-Run Protection + Motor Auto-Tuning

Dry-run power thresholds set at 1200 / 2000 / 2800 / 3600 RPM. One-touch motor parameter identification (with or without load). Full protection: overcurrent, overvoltage, undervoltage, stall, phase loss, and overtemperature (-20°C to 60°C).

FAQs

  • Most residential and portable systems use lithium‑ion batteries, known for high efficiency and long service life. Other battery types, like lead‑acid or flow batteries, exist but are less common in home or portable setups.

  • Modern energy storage systems include multiple protections such as over‑current, over‑voltage, short‑circuit, and temperature control, making them safe for home and outdoor use.


  • Consider your average energy usage, backup power needs, and whether you want storage for daily solar self‑consumption or emergency backup. Larger capacity systems support more devices and longer runtime.

  • Battery life is measured in charge‑discharge cycles. Lithium‑ion portable power stations typically last thousands of cycles, providing reliable energy storage for many years before capacity declines significantly.