Adjustable Voltage Charger
Items: KOMCO C30 Universal 12V–72V Industrial Battery Maintainer
Charging Logic: Microprocessor-controlled pulsating DC output via bridge rectifiers
Visual Interface: High-contrast LCD cycling voltage and current data every 5 seconds
Lead Time: 20–25 working days | Private Labeling & Custom Packaging: Fully Supported
Product Introduction
Huizhou Qiangfeng Power Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of adjustable voltage charger in China. Please feel free to buy durable adjustable voltage 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
For auto parts retail storefronts, large rental facilities, and commercial showrooms, stocking different chargers for ATVs, heavy trucks, and electric golf carts is highly inefficient.
The KOMCO adjustable voltage charger is the ultimate multi-vehicle consolidation asset. Having captured massive global sales velocity on Amazon and top Western trading marketplaces, it continues to be a premium hot-selling product across the European and American retail sectors. Customers love its straightforward mechanical dial interface.
It allows warehouse staff to adjust output parameters smoothly using the Low and Medium selections for standard charging or High for a rapid turnaround. Its internal CPU monitoring loop actively prevents overcharging mistakes, making it an incredibly reliable addition to any high-volume commercial test bench.
Technical Parameters

Our Company
Founded in 1993, Qiangfeng has focused entirely on perfecting robust steps-down transformer charging networks and heavy-duty power supplies.
Our product lines secured the trust of leading vehicle brands across China by 2003. Today, we bring decades of factory expertise directly to international commercial buyers, merging industrial strength with user-friendly operation.
Our Advantages
Global Retail Market Leader
A highly celebrated product in the US and Europe, highly trusted by online marketplace buyers for eliminating garage guesswork.
Advanced Isolation Circuitry
Uses high-end isolation transformers to completely decouple high-voltage input into clean, low-voltage pulsating DC.
Flexible Factory Support
We support full commercial custom configurations, allowing clients to request adjusted current caps, customized private labeling, and custom casing.
FAQ
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