Description

DS18 INF-C4A
The DS18 INF‑C4A is a 4 amp automatic smart battery charger and maintainer designed to efficiently charge and maintain a wide range of 6 V and 12 V batteries including lead‑acid, wet, gel, AGM, calcium, and modern LiFePO₄ lithium batteries. It features intelligent microprocessor‑controlled charging with multiple modes, an LCD display for real‑time battery voltage and status, and advanced safety protections against overcharging, overheating, reverse polarity, and overcurrent. With support for battery capacities from 2 Ah up to 120 Ah, an IP54 dust‑resistant housing, and built‑in battery repair mode for recovering neglected or stratified batteries, the INF‑C4A is ideal for automotive, powersport, motorcycle, marine, and car audio applications.
Specifications
| Category | Specification |
|---|---|
| SKU | INF-C4A |
| Charger Type | 8 Steps Charging / Maintainer |
| Maximum Output Current (Charging) | 4 A |
| Maximum Input Current | Variable up to 75 W (0.68 A) |
| Battery Type Compatibility | Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4) |
| Battery Voltage Compatibility | 6 / 12 V |
| Battery Capacity Compatibility | 2–120 Ah |
| AC Input | 110–120 VAC / 50–60 Hz |
| 6V DC Output Current | 2 A or 4 A |
| 12V DC Output Current | 2 A or 4 A |
| 24V DC Output Current | N/A |
| Minimum Start Voltage | >3 V |
| Housing Protection Rate | IP54 |
| Operating Temperature | 0°C to +40°C |
| Efficiency | Approx. 85% |
Features
| Feature | Yes / No |
|---|---|
| Clamps Type | Battery Clamp |
| Quick Connector | No |
| Function Display Type | LCD |
| Voltmeter | Yes |
| Ammeter | Yes |
| Boost Mode | No |
| Power Supply Mode | No |
| Low Temperature Charging Mode | Yes |
| High Temperature Charging Mode | Yes |
| Battery Repair Mode | Yes |
| Thermal Protection | Yes |
| Reverse Connection Protection | Yes |
| Overcurrent / Overcharge Protection | Yes |
| Faulty Battery Indicator | Yes |
| Faulty Connection Indicator | Yes |
Product Overview
6V/12V Portable Automatic Smart Battery Charger & Maintainer
With DS18’s INF-C4A, it’s easy to maintain and charge your battery to ensure it will operate at its MAX, delivering uninterrupted power to your sound system and elevating your experience to new heights.
Equipped with advanced charging and maintaining capabilities, the INF-C4A is designed to power a wide range of battery types; including Lead-Acid, Wet, Gel, AGM, and Lithium batteries using LiFePO4 cells. No matter the size and type of your battery, the INF-C4A effortlessly delivers a maximum output current of 4A, ensuring an efficient charging process. With voltage compatibilities for 6V and 12V systems, the INF-C4A is the most versatile charger available today.
The INF-C4A is equipped with a range of essential safety features, including thermal protection to prevent overheating, reverse connection protection to safeguard against accidental mistakes, and overcurrent/overcharge protection to maintain a healthy battery life. The INF-C4A also has an impressive IP54 protection rating. This means it is dust-tight, ensuring the internal components are shielded from any potential damage. This charger is also temperature tested and operates flawlessly in temperatures ranging from 0°C to +40°C.
DS18’s INF-C4A goes beyond standard charging and maintenance capabilities with it’s innovative repair mode. This advanced battery recovery mode can bring back batteries that have been neglected or plagued by common issues such as sulfation, stratification, or long periods of inactivity.
Intelligently designed to handle battery capacities ranging from 2Ah to an impressive 120Ah. Your battery’s size won’t matter, the INF-C4A provides the perfect charging and maintaining solution for all setups. DS18’s INF-C4A is an essential companion for every audio enthusiast.













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