Model 178/186 Flywheel Generator Voltage Stabilizing Charger, 3wire Overview This compact voltage stabilizing charger is designed for permanent magnet flywheel generators, including Dan Xiang type machines. It maintains a stable DC output for battery charging and long term power supplement, with built in protection features for reliable operation in generator and engine applications. Key benefits Stable charging voltage that protects battery health and prevents overcharging: DC 13.5 plus or minus 0.5 V output. Reliable continuous operation for automatic generator sets and long term battery support. Multiple protection functions reduce risk of damage from faults: overload memory protection, short circuit memory protection, and reverse polarity protection. Wide input range and low power consumption for compatibility with varied generator outputs: AC 15 to 55 V input. Compact 3wire design simplifies installation and wiring in small engines and generator systems. Technical specifications Input voltage: AC 15 to 55 V Output voltage: DC 13.5 plus or minus 0.5 V Continuous output current: 10 A Peak instantaneous current: 18 A Physical size: 75 mm x 61 mm x 28 mm Wiring: 3wire design Protection and performance features Overload memory protection to prevent repeated damage during overload events. Short circuit memory protection to isolate and protect the charger and battery in the event of a short. Reverse polarity protection to prevent damage from incorrect wiring. Low power consumption and wide voltage compatibility for steady performance across varying generator outputs. Compatibility Compatible with permanent magnet flywheel generators, including Dan Xiang types and common small engine generator models. Model compatibility includes 170F, 173F, 178F, 186F, 188F, 192F, and 195F. Typical use scenarios Maintain battery charge on an automatic generator set during standby operation to ensure reliable start and power delivery. Provide continuous trickle or float charging for service batteries on small engines and farm equipment. Integrate with permanent magnet flywheel generators on portable generator units to stabilize charging output and protect battery systems. What to expect A compact, purpose built charger module that delivers a regulated 13.5 V DC output, supports continuous service, and protects against common electrical faults. Its wide input range and 3wire form factor make it suitable for a variety of small generator and engine charging applications.