Battery Maintainer for Agm Battery
Items: QCL Series Specialty Fleet Utility Battery Charger
Size: 24x23x17 CM / 28x28x24 CM high-wall cabinets
Charging Voltage: 14.4V–34.0V VDC manually selected battery nodes
Lead Time: 20–25 working days
OEM Service: Fully accepted (Custom terminal plug leads, brand plating)
Sample: Technical evaluation samples provided to check fleet resistance values
Product Introduction
Huizhou Qiangfeng Power Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of battery maintainer for agm battery in China. Please feel free to buy durable battery maintainer for agm battery 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
Managing a substantial fleet of commercial golf carts, electric airport tugs, or industrial floor scrubbers means dealing with constant, severe battery maintenance headaches. These deep-cycle and traction lead-acid packs require perfectly uniform, steady power intervals to maintain their total active runtime lifespan. This battery maintainer for agm battery charger provides a scientific, hard-wired five-stage charging path that guarantees your battery banks are never under-charged or pushed into dangerous thermal runaway conditions. Thanks to the integrated manual current potentiometer dial, your shop maintenance crew can easily drop the output down to match smaller amp-hour utility blocks, or raise it to max output to tackle heavy-duty machinery. It is a highly practical, single-station answer for any logistics hub operating a high volume of specialized service vehicles.
Technical Parameters
| Input Line Parameters | 180V-280VAC | 47-63Hz |
| Current Selection Bounds | 5A-20A / 15A-30A / 15A-50A adjustable scales |
| Chemistry Specific Constant Voltages | Traction/Deep-Cycle (14.7V/29.4V), AGM (14.4V/28.8V), EFB (16.2V/32.4V) |
| System Protection Protocols | Reverse polarity isolation toggle, automated short trip, internal 60°C thermal shutoff |
| Operating Envelope Limits | Temperature: -10°C to +45°C |
| Lead Time | 20–25 working days (Dependent on bulk factory queue volumes) |
Our Company
Formed in 1993 with a dedicated vision to deliver rugged power products, Qiangfeng specialized early in heavy-duty battery management. By 2003, our factory-built chargers earned widespread recognition, becoming a preferred infrastructure component for major automotive brands across China. We adapted our lineup in 2007 to capture international growth, delivering advanced inverter systems into European and Asian industrial markets. Our international market footprint matured in 2019 when the flagship QCL series achieved major commercial volume in the United States and Europe, solidifying our status as a premium tier-1 global B2B supplier.
Our Advantages
30+ Years Deep Specialty Focus
Decades of specialized manufacturing experience centered on heavy-current battery chargers and power infrastructure.
Global Distribution Consistency
Reliable logistics alignment and stable field operation profiles across US and European markets.
OEM Supply Validation
Proven long-term engineering and production trust from industry titans including YUASA, CAMEL, LEOCH, GS, BOSCH, and Shaanxi Automobile Group.
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