IVT Solar Charge Controller 12/24 V 20 A PWM

In off-grid solar installations, a reliable charge controller is essential to protect batteries and manage energy flow. The IVT Solar Charge Controller 12/24 V 20 A is built for caravans, boats, and small cabins where dependable battery charging from solar panels is needed. It automatically detects 12 V or 24 V systems and uses PWM technology to deliver a 20 A charge current.

Key specifications

• System voltage: 12 V / 24 V (auto-detection)
• Max. charge current: 20 A
• Max. PV open circuit voltage: 50 V
• Charge technology: PWM (Pulse Width Modulation)
• Charge stages: 3-stage
• Supported battery types: Lead-acid (GEL, AGM, Flooded)
• Self-consumption: < 10 mA
• Operating temperature: -35°C to +55°C
• Protection class: IP30
• Protections: Overcharge, deep discharge, reverse polarity (battery and PV), short circuit (load and PV), over-temperature
• Load output: Yes (with low voltage disconnect)
• Display: LED indicators
• Grounding: Common positive

Why choose it

The controller’s auto-detection of system voltage simplifies installation, while its comprehensive protection features safeguard both battery and solar panels. The low self-consumption ensures minimal energy loss, making it efficient for small-scale solar setups.

Ideal use cases

• Charging 12 V or 24 V lead-acid batteries in off-grid systems
• Caravans, motorhomes, and boats with solar panels
• Small cabins or remote monitoring stations

Good to know

The controller uses common positive grounding, which is typical for many vehicle and marine electrical systems. LED indicators provide clear status information at a glance.