Xantrex C-Series Solar Charge Controller – 35A – C35

The Xantrex C-Series C35 is a 35-amp PWM solar charge controller designed for off-grid solar, RV, marine, and small renewable energy systems. It efficiently manages the flow of solar power to your battery bank, ensuring safe, reliable, and optimized battery charging while extending battery life.

With three-stage charging and support for multiple battery types—including flooded, AGM, and gel—the C35 provides maximum charging efficiency and battery protection. The controller can be configured as a solar charge controller, load controller, or DC diversion (dump load) controller, making it versatile for a wide range of system setups. Its durable aluminum enclosure and passive cooling allow reliable operation in harsh environments.

Perfect for off-grid cabins, boats, RVs, and small solar installations, the Xantrex C35 delivers dependable performance in a compact and easy-to-install package.

🔧 Technical Specifications

Electrical

• Controller Type: PWM (Pulse Width Modulation)

• Maximum Charge Current: 35 amps

• System Voltage: 12 / 24 / 48 VDC (auto-select)

• Maximum PV Open-Circuit Voltage: 125 VDC

• Battery Voltage Range: 8 – 60 VDC

• Charging Stages: Bulk, Absorption, Float

• Maximum Load Current (Load Mode): 35 amps

Battery Compatibility

• Flooded Lead-Acid

• AGM

• Gel

• Configurable via jumper settings

Functional Modes

• Solar charge controller

• Load controller

• DC diversion (dump load) controller

Protection & Safety

• Over-current protection

• Reverse polarity protection

• Over-temperature protection

• Short-circuit protection

• Passive cooling

Environmental

• Operating Temperature Range: -40°F to 122°F (-40°C to 50°C)

• Humidity: 95% non-condensing

Physical

• Dimensions (H × W × D): Approx. 6.0″ × 3.8″ × 2.8″

• Weight: Approx. 1.3 lb (0.6 kg)

• Mounting: Vertical wall mount

• Enclosure: Powder-coated aluminum

Certifications

• UL Listed

• CSA Certified

• FCC Class B

Warranty

• 5-Year Manufacturer Warranty

⭐ Key Features 

• 35-amp solar charge controller for off-grid systems

• Supports 12V, 24V, and 48V DC battery banks

• Three-stage charging for flooded, AGM, and gel batteries

• Configurable as solar charge, load, or diversion controller

• Heavy-duty aluminum enclosure with passive cooling

• Compact and reliable for RV, marine, and small cabin installations

PV charge, diversion and load controller

The C35 and C60 are field configurable for 12 V and 24 V operation. The C40 may be configured for 12 V, 24 V, or 48 V operation. C35, C40 and C60 charge controllers can be used as a charge, diversion, or load controller and come with a standard multi-color charge status LED face plate.

A Controller for Virtually any DC Charging Source. The C60 is a fully solid state, microprocessor-driven controller that is UL and cUL listed. C Series controllers may be configured for PV battery charging, or DC load control or DC diversion operation. Whatever the charging source, a C Series controller is sure to meet your DC controller needs.

Silent Microprocessor Control-All C Series controllers have a powerful microprocessor at their core which increases system performance and maximizes battery life. They are fully solid state and operate silently.

Features:

• Improve battery life with pulse width modulated (PWM) multi-stage temperature compensated charging
• Two-year standard warranty
• PV charge, diversion, load controller
• Available remote display with cumulative AMP hours
• Electronic protection against short-circuit, overload, and over-temperature conditions
• Tolerance to hostile environments with conformal-coated boards and powder-coated enclosure
• Field adjustable voltage and battery set point
• Automatically disconnects from the battery at night
• Compatible with negative ground and ungrounded systems

WARNING: This product can expose you to chemicals including Diisononly Phthalate (DINP) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.