The Pytes V Series LFP Battery is a sophisticated lithium-ion battery pack designed for home energy storage systems. It offers a safe and high-performance solution for various applications, including residential, small commercial, industrial energy storage, and telecommunication stations. The battery pack is compact and designed for easy installation, serving as a fundamental building block in an energy storage system when connected in parallel.
Function Description
At its core, the Pytes V Series battery is a power storage unit, utilizing Lithium Iron Phosphate (LFP) chemistry, known for its stability and long cycle life. The battery pack is equipped with a comprehensive Battery Management System (BMS) that ensures safe and efficient operation. Key BMS functions include:
- Charge/Discharge End Cut-off: Prevents overcharging and over-discharging, protecting the battery cells from damage.
- Charge Over Voltage Protection: Monitors and limits the charging voltage to safe levels.
- Charge/Discharge Over Current Protection: Safeguards against excessive current during both charging and discharging cycles.
- High/Low Temperature Warning and Over/Under Temperature Protection: Monitors the battery's internal temperature and takes protective measures to prevent operation outside safe temperature ranges.
- Short Circuit Protection: Automatically disconnects the battery in the event of a short circuit to prevent damage and ensure safety.
- Power Cable Reverse Protection: Prevents damage from incorrect polarity connections.
- Cells Balance: Actively balances the voltage of individual cells within the battery pack, ensuring uniform performance and extending the overall lifespan.
- Intelligent Charge: Optimizes the charging process for efficiency and battery health.
- Charge/Discharge Current Limitation: Regulates the current flow to prevent stress on the battery.
- Remaining Power Calculation: Provides an accurate estimate of the battery's remaining capacity.
- Administrator Monitoring: Allows for oversight and management of battery parameters.
- Log Record: Stores operational data for analysis and troubleshooting.
The battery features multiple communication ports, including RS232, RS485, and CAN, enabling it to interface with inverters and other system components. An optional WiFi device can be connected to the IoT port for remote monitoring and firmware upgrades via a cloud platform.
Usage Features
The Pytes V Series battery is designed for user convenience and system integration.
- Parallel Connection: Multiple battery packs can be connected in parallel to increase the overall system capacity, with a maximum of 14 batteries supported. This modularity allows for scalable energy storage solutions.
- Communication Protocols: The battery supports standard communication protocols (CAN, RS485) to ensure seamless integration with various inverter brands. DIP switches are used to set the battery according to the specific inverter brand.
- Start-up and Shut-down Procedure: The system features a clear start-up and shut-down sequence to prevent inrush current shock to the inverter. All power buttons are turned on, and then the master battery's soft start switch is pressed for one second to activate the system. For shut-down, the master battery's soft start switch is held for three seconds, followed by turning off all power buttons once battery lights are out.
- Visual Indicators: The front panel includes a running light, alarm indicator, and SOC (State of Charge) indicator. The running light flashes in standby, is constant during charging, and blinks during discharging. The alarm indicator flashes red during an alarm and is constant when protected. The SOC indicator, a light bar, visually represents the remaining capacity.
- Dry Contact Signal: A 1-way input and 3-way output dry contact signal is available for external control or signaling.
- Remote Monitoring and Upgrade: With the optional WiFi stick connected to the IoT port, users can remotely view battery data and perform firmware upgrades, enhancing system management and ensuring the battery always runs on the latest software.
Maintenance Features
Maintenance of the Pytes V Series battery focuses on ensuring its longevity and safe operation.
- Environmental Requirements: The battery is designed to operate within specific temperature and humidity ranges, and in environments free from corrosive or explosive gases, direct sunlight, and conductive dust. Installation in a restricted access area and within a cabinet that allows for proper ventilation is recommended.
- Storage Guidelines: For long-term storage, the battery should be charged to over 90% of its rated capacity every six months. Maintaining an SOC of 40%-60% during storage is ideal. These guidelines are crucial for optimizing battery lifespan and are tied to warranty coverage.
- Troubleshooting: The manual provides a comprehensive troubleshooting guide, detailing common issues such as inability to start, charge, or discharge, and persistent alarm indicators. It outlines specific steps to diagnose and resolve these problems, often involving checking power connections, charging circuits, and battery status indicators.
- Safety Precautions: The manual emphasizes the importance of installation and maintenance by qualified personnel (electricians) and adherence to local safety regulations. It provides warnings against short-circuiting, dismantling, crushing, puncturing, or exposing the battery to heat or fire. The use of insulated tools and personal protective equipment is mandated during handling.
- Grounding: Proper grounding of the battery is essential for safety, with specific instructions for connecting the ground cable to a reliable grounding point.
- Cable Management: Instructions are provided for selecting appropriate power cables based on current requirements and for carefully connecting power and communication cables to prevent hazards and ensure proper system function. The importance of uniform cable length, thickness, material, and resistance for parallel connections is highlighted to minimize circular current.
- No User Repair: Users are explicitly warned against repairing the battery without authorization from Pytes, underscoring the complexity and potential hazards involved in internal battery components.
The Pytes V Series LFP Battery is a robust and intelligently designed energy storage solution, prioritizing safety, performance, and ease of integration for a wide range of applications.
Need help?
General
To Next Page
