Last updated: 21 September 2026
Battery and charging
- Battery profiles it carries
- Four presets, and no user-defined profile
- Rated output power
- 616 W at 40 A
- Charging efficiency
- 93%
“AGM, Gel, Flooded, Lithium-iron Phosphate”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“616W”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“Charging Efficiency 93% Idle Power Consumption ＜10 mA”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Battery care and safety
- Operating temperature range
- −20 °C to 45 °C
“Operating Temperature -4℉ -113℉ /-20 ℃ - 45℃”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Size and fit
- Overall dimensions
- 195 × 149 × 48 mm
“Dimensions (LxWxH) 195 x 149 x 48 mm / 7.68 x 5.87 x 1.89 inch”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Compatibility
- Alternator input it accepts
- 13.2–16 V traditional, 12–16 V from a Euro 6 smart alternator
“Traditional Alternator: 13.2-16.0VDC; Smart Alternator (Euro 6): 12-16.0VDC”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Identity
- Model code
- RBC40D1S
“Model RBC40D1S Grounding Common Negative”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Other findings
- Enclosure rating
- IP31, and cooled by a heat sink
- Idle power consumption
- Under 10 mA when idle
- Input fuse rating
- 60 A in, 50 A out
- Maximum solar input voltage
- 10–30 V of solar
- Max output current
- 40 A, capped at 616 W
“Cooling Heat Sink Enclosure Rating IP31”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“Idle Power Consumption ＜10 mA”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“Input Fuse Rating 60A Output Fuse Rating 50A”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“Solar Input Voltage 10 -30V DC”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
“Maximum Output Current Rating 40A”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Certification claims
- Certification claimed by the manufacturer
- FCC Part 15 Class B, CE, RoHS and SAA are claimed
“Regulatory and Safety Specifications FCC Path 15, Class B,CE,RoHS，SAA”
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Sources
- 12V 40A DC-DC MPPT Battery Charger | Renogy | Renogy USArchived document
Source: renogy.com/collections/dc-dc-battery-chargers/products/renogy-40a-dc-dc-battery-charger-with-mppt
Retrieved September 14, 2026