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Home/ Shop/ Charge Controllers/ 40 Amp MPPT Solar Charge Controller
40 Amp MPPT Solar Charge Controller
Charge Controllers

40 Amp MPPT Solar Charge Controller

SKU: RS-MPPT40
$159.99 / Each
✓ In Stock (25 available)

Features Automatically detects 12V or 24V DC system voltages.

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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: 5lb 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 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

• Rated Battery Current: 40A
• Rated Load Current: 20A
• Max. PV Input Short Current: 50A
• Max. Battery Voltage: 32V
• Max Solar Input Voltage: 100VDC
• Charge Circuit Voltage Drop: ≤0.26V
• Discharge Circuit Voltage Drop: ≤0.15V
• Working Temperature: -31°F to +113°F
• Max Terminal Size: 8AWG
• Rated Load Current: 10% to 90% NC
• Overall Dimensions: 9.37 x 6.81 x 2.85 in
• Net Weight: 4.41 lb

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