Rich Solar 12V 40A DC-DC Battery Charger for RVs, Vans, Boats & Off-Grid Systems

Rich Solar 12V 40A DC-DC Battery Charger for RVs, Vans, Boats & Off-Grid Systems

Regular price: $257.00
Sale price: $257.00
Regular price: ~~$271.00~~

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Features

40A DC-DC Charging: Delivers up to 40A charging current from a 12V vehicle electrical system to the auxiliary battery.
Multi-Battery Ready: Compatible with 12V AGM, Flooded, Gel, LiFePO₄, and Lithium batteries with selectable charging modes.
Smart & Traditional Alternator Compatible: Works with both smart and conventional alternators for reliable charging.
2-Stage & 3-Stage Charging: Uses 2-stage charging for lithium and 3-stage charging for lead-acid batteries to maximize charging performance.
Battery Isolation Protection: Prevents reverse current between the starter and auxiliary batteries.
Comprehensive Circuit Protection: Protects against over-voltage, over-temperature, and reverse polarity.
D+ Ignition Control: Charges only when the engine is running to help protect the starter battery.
Temperature-Adaptive Charging: Supports an optional RJ11 temperature sensor for automatic charging compensation on lead-acid batteries.

Specifications

Input

Nominal Input Voltage: 12V DC
Operating Voltage Range: 10–16V DC
Input current limiting: ≤68A

Output

Rated Output Power: 500W
Rated Output Current: 40A
Operating Current Range: 37–43A
Battery Compatibility: AGM, Flooded, Gel, Sealed, LiFePO₄ (LFP), Lithium-ion

General

Charging Mode: 2-Stage (Lithium) / 3-Stage (Lead-Acid)
Peak Efficiency: >85% (@14V DC, 30% Load)
Net Weight: 4.9 lb
Dimensions: 10.3 × 7.4 × 3.1 in
Certifications: CE, RoHS
Package Dimensions: 13 × 9 × 5 in
Gross Weight: 6 lb

Part numbers: RS-DC40 (UPC 650380714730)

Ships from our Upland, CA warehouse to the lower 48 states.

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