Adjustable Battery Charger
Items: KOMCO C30 Multi-Stage Heavy-Duty Marine Charger
Voltage Support: 12V/24V/36V/48V/60V/72V with built-in active cooling fan
Charging Type: 4-stage smart cycle (Constant Current, Absorption, Float, Equalization)
Lead Time: 20–25 working days | Custom Enclosures & Colors: Fully Supported
Product Introduction
Huizhou Qiangfeng Power Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of adjustable battery charger in China. Please feel free to buy durable adjustable battery charger made in China here from our factory. All customized products are with high quality and competitive price. Contact us for quotation and free sample.
Product Details
Marine crafts, jet skis, and recreational vehicles demand high-capacity voltage management to balance heavy house battery banks and starting blocks.
The KOMCO Adjustable Battery Charger delivers this precision in a single, compact chassis. Highly popular on Amazon and overseas commercial trading networks, it has established itself as an absolute hot-seller in the US and Europe. Built around a heavy-duty step-down isolation transformer, it handles SLA, Gel, AGM, and modern Lithium-ion batteries with an integrated BMS.
Owners of boats and PWCs appreciate its rugged reliability; you can safely leave it hooked up 24/7 during winter storage. The smart control chip continuously monitors ambient conditions, shielding your expensive marine assets from overcurrent, over-voltage, and short-circuit hazards.
Technical Parameters

Our Company
Qiangfeng has pioneered industrial power solutions since 1993. Over the past three decades, we have partnered with world-class battery manufacturers, including YUASA, Leoch, GS, and Camel.
Our highly successful international expansion has proven our ability to meet the most rigid safety and engineering certifications required by global maritime and transport logistics networks.
Our Advantages
Global Marketplace Best Seller
Heavily favored by European and American consumers for its true "one-size-fits-all" garage capability.
Premium Safety Engineering
Integrated with a physical overload reset button that instantly isolates the device during severe power grid spikes.
Zero-BabySitting Logic
Microprocessor completely automates the 4-stage charge cycle, dropping active current to zero when batteries are fully conditioned.
FAQ
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