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Charge Controllers

20 Amp MPPT Solar Charge Controller

SKU: RS-MPPT20
$89.99 / Each
✓ In Stock (25 available)

Features Automatically detects 12V or 24V DC system voltages Compatible with various deep cycle battery options: Sealed, Gel, Flooded, and Lithium Innovative MPPT technology with h

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Why Buy This from AOG

Authorized dealer — genuine product, backed by the manufacturer's warranty
Personal service from a small, family-run business that knows and serves the Plain & off-grid community — not a faceless call center
Chosen to last, not to be the cheapest — built for years of real use
Curated for true off-grid living, not stacked on a big-box shelf

Need something else too?

Solar Panels | Kits & Bundles | Batteries | Inverters | Power Converters | DC-DC Chargers | Chargers | Solar Racking & Mounting | Wiring & Connectors | Off-Grid Appliances | Lighting & Accessories | Monitoring & Accessories | Parts & Repair | Misc | Power Controllers

Shipping Info
Weight: 4lb 0oz
Dimensions: 0.00" × 0.00" × 0.00"

Ships to the lower 48 states. See our Shipping & Returns policy before you buy.

Key Features

• Automatically detects 12V or 24V DC system voltages
• Compatible with various deep cycle battery options: Sealed, Gel, Flooded, and Lithium
• Innovative MPPT technology with high tracking efficiency of up to 99% and peak conversion efficiency of 98%
• Electronic protection against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current
• LCD screen and multiple LED indicators for displaying system operation information, customizable parameters, and error codes
• Features diverse load control; also capable of charging over-discharged lithium batteries
• Die-cast aluminum design allows for efficient heat dissipation
• RS232 port to communicate with BT-1 Bluetooth module

Specifications

• Nominal System Voltage: 12V/24V Auto Recognition
• Rated Battery Current: 20A
• Rated Load Current: 20A
• Max. PV Input Short Current: 25A
• Max. Battery Voltage: 32V
• Max Solar Input Voltage: 100 VDC
• Discharge Circuit Voltage Drop: ≤0.15 V
• Max. Photovoltaic System Input Power: 260W/12V, 520W/24V
• Conversion Efficiency: ≤98%
• MPPT Tracking Efficiency: >99%
• Operating Temperature: -35℃ to +45℃
• Protection Degree: IP32
• Net Weight: 3.08 lb
• Overall Dimensions: 8.27 x 5.94 x 2.34 in

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