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SolarMax 1.5kW Off-Grid SM-R4-M II-1.5K-24 Inverter


Main Features

  • Pure Sine Wave Solar Inverter
  • Output Power Factor 1
  • Selectable High Power Charging Current
  • Wide DC Input range
  • Selectable input voltage range for home appliances and personal computers
  • Configuring AC/Solar input priority via LCD setting
  • Compatible to mains voltage or generator power
  • Auto restart while AC is recovering
  • Overload and short circuit protection
  • Smart battery charger design for optimization of battery performance, equalization and lifecycles
  • Cold start function


SolarMax 1.5kW Off-Grid SM-R4-M II-1.5K-24 Inverter

This is a multi-functional inverter/charger, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support in portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.


ModelSM-R4-M II-1.5K-24
Rated Power1500VA/1500W
Frequency Range50 Hz / 60 Hz (Auto Sensing)
Surge Power3000VA
Efficiency (Peak)93%
Battery Voltage24VDC
Floating Charge Voltage27VDC
Overcharge Protection32 VDC
Max. PV Array Open Circuit Voltage400VDC
Max PV Array Power2000w
Maximum AC Charge Current40A
Max Efficiency98%
Dimensions100 x 385 x 275
Net Weight8.5kg


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