Xantrex C12 PWM Solar Charge Controller drives reliable, efficient solar charging and smart load control for off-grid systems. Built around pulse width modulation (PWM) with multi-stage, temperature-compensated charging, it protects batteries while maximizing life and performance in demanding environments.

Why buyers choose the C12

• PWM multi-stage charging with temperature-compensated control to optimize battery performance and longevity.
• Field adjustable voltage and battery set point for precise charging of your specific battery bank.
• Automatic protection features including short-circuit, overload, over-temperature and reverse polarity detection for safe operation.
• Designed for harsh environments with conformal-coated boards and a powder-coated enclosure for durability.
• Compatible with negative ground and ungrounded systems, offering flexible installation options.
• Built-in lighting controller with adjustable run time from two to eight hours or dusk-to-dawn operation, ideal for remote lighting and outdoor fixtures.
• Standard in the C12’s load control circuitry are field adjustable low voltage disconnect/reconnect points plus a five-minute low battery disconnect signal.
• Automatic battery isolation at night to protect energy reserves while keeping loads ready when sun returns.
• Optional battery temperature sensor to fine-tune charging based on real battery temperature.

Built for versatility and worldwide use

The C12 functions as both a PV charge controller and a load controller, supporting a variety of off-grid applications—from remote village lighting to automatic outdoor lighting systems. Its robust design ensures dependable operation in remote sites and challenging climates, backed by a two-year standard warranty.

Key specifications at a glance

• Model: C12 PWM Solar Charge Controller
• Advanced PWM charging with multi-stage, temperature compensation
• Field adjustable voltage and battery set point
• Automatic night disconnect from the battery and lighting control
• Low voltage disconnect/reconnect with a 5-minute low battery disconnect
• Negative ground and ungrounded system compatibility
• Conformal-coated boards and powder-coated enclosure for harsh environments
• Optional battery temperature sensor for optimized charging
• Two-year standard warranty

Upgrade to the Xantrex C12 PWM Solar Charge Controller for precise, dependable solar charging, smart load management, and adaptable performance in any off-grid setting.