The COTEK CX1280 is a powerful and intelligent 14.4V 80A battery charger designed for a wide range of applications, including automotive, marine, industrial, and backup power systems. With an advanced 3-stage charging process, active Power Factor Correction (PFC), and built-in safety protections, this charger ensures optimal battery performance and longevity. Its universal AC input range makes it a versatile choice for users needing a high-efficiency charger compatible with multiple battery types, including Lead Acid, Li-ion, Gel, and AGM batteries.

Key Features

• Universal AC Input with Active PFC – Compatible with a wide range of input voltages, ensuring maximum efficiency and energy savings.
• Advanced 3-Stage Charging – Bulk, Absorption, and Float stages optimize battery health, charging speed, and lifespan.
• Battery Rescue Function – Restores over-discharged batteries, preventing early failure and extending their usability.
• Comprehensive Safety Protections – Includes safeguards against short circuits, over-voltage, over-temperature, and brown-out conditions.
• Remote Control Option – Compatible with the COTEK CR-1 remote controller for monitoring and adjustments from a distance.

Advanced Charging Technology

The COTEK CX1280 is engineered with a smart 3-stage charging system that optimizes performance and extends battery life:

1. Bulk Charging – Rapidly delivers a constant current to bring the battery to approximately 80% capacity.
2. Absorption Charging – Provides a constant voltage to complete the charge without overcharging.
3. Float Charging – Maintains the battery at full charge, ensuring readiness without excessive wear.

This multi-stage charging process ensures efficiency, protects the battery from damage, and maximizes its lifespan.

Built-in Protections for Safety

The CX1280 is equipped with multiple safety features to protect both the charger and the connected batteries. It includes:

• Short Circuit Protection – Automatically shuts down in case of a short circuit to prevent damage.
• Over-Voltage Protection – Prevents excessive voltage that could harm batteries.
• Over-Temperature Protection – Automatically reduces power output or shuts down if the unit overheats.
• Brown-Out Protection – Prevents unstable voltage conditions from affecting performance.

These features ensure that the charger operates safely and reliably in all environments.

Universal Compatibility & Remote Control Option

Designed to be compatible with various battery chemistries, including Lead Acid (Flooded, AGM, Gel) and Lithium-Ion, the CX1280 can be used in a variety of applications. Additionally, users can enhance control and monitoring by pairing it with the COTEK CR-1 Remote Controller. This optional accessory provides real-time status updates and convenient remote operation.

Ideal Applications

The COTEK CX1280 is well-suited for multiple industries and applications, including:

• Automotive and RVs – Reliable power for starting batteries, auxiliary systems, and deep-cycle applications.
• Marine and Boating – Ensures dependable battery maintenance for boats and yachts.
• Industrial and Off-Grid Power – Supports backup power systems and renewable energy storage.
• Telecommunications and Emergency Power – Provides a stable charging solution for critical power needs.

Specifications

Specification	Details
Model Number/ID	CX1280
Battery Voltage	12V
Output Current	80A
Charging Voltage	14.4V
Compatible Battery Types	Lead Acid (Flooded, AGM, Gel), Lithium-Ion
Charging Stages	Bulk, Absorption, Float
Input Voltage Range	90-264V AC, 47-63Hz
Power Factor Correction	Yes (Active PFC)
Efficiency	Up to 92%
Operating Temperature	-20°C to 50°C (-4°F to 122°F)
Cooling	Temperature-controlled fan
Dimensions (L x W x H)	312 x 65.2 x 182 mm
Weight	4.5 kg (10 lb)
Protection Features	Short Circuit, Over-Voltage, Over-Temperature, Brown-Out Protection
Optional Accessories	CR-1 Remote Controller, Battery Temperature Sensor