This document describes the YouthPower On/Off Hybrid Solar Storage System, a series of battery units designed for solar energy storage applications. The system leverages LiFePO4 battery technology, known for its safety and longevity, to provide reliable power solutions.
Function Description
The YouthPower system functions as a hybrid solar storage solution, capable of integrating with both on-grid and off-grid solar inverters. It stores energy generated from solar panels for later use, ensuring a continuous power supply even when solar generation is low or unavailable. The system is designed for ease of use with features like a touch LCD display for monitoring and control, and communication interfaces for integration with inverters.
Important Technical Specifications
The YouthPower series offers several models with varying capacities and voltage configurations:
Nominal Parameters (48V systems):
- YP PW-5KW: Voltage 48V, Capacity 100Ah, Energy 4.8 kWh, Dimensions 740x530x200mm, Weight 58.5kg.
- YP PW-7KW: Voltage 48V, Capacity 150Ah, Energy 7.2 kWh, Dimensions 740x530x200mm, Weight 75.0kg.
- YP PW-10KW: Voltage 48V, Capacity 200Ah, Energy 9.6 kWh, Dimensions 740x530x200mm, Weight 96.5kg.
Nominal Parameters (51.2V systems):
- YP PW5KW: Voltage 51.2V, Capacity 100Ah, Energy 5.12 kWh, Dimensions 740x530x200mm, Weight 60.50kg.
- YP PW-7KW: Voltage 51.2V, Capacity 150Ah, Energy 7.68 kWh, Dimensions 740x530x200mm, Weight 78.0kg.
- YP PW-10KW: Voltage 51.2V, Capacity 200Ah, Energy 10.24 kWh, Dimensions 740x530x200mm, Weight 105.5kg.
Additional Models:
- YP4850-2.4KWH: Voltage 48V, Capacity 50Ah, Energy 2.4 kWh, Dimensions 535x442x190mm, Weight 30kg.
- YP 51300-15KWH: Voltage 51.2V, Capacity 300Ah, Energy 15.36 kWh, Dimensions 920x220x730mm, Weight 150kg.
- YP51400-20KWH: Voltage 51.2V, Capacity 400Ah, Energy 20.48 kWh, Dimensions 920x220x730mm, Weight 250kg.
Basic Parameters (Common to most models):
- Lifetime (25°C): 20 years.
- Life cycles (80% DOD, 25°C): 6000 Cycles.
- Storage time / temperature: 5 months @ 25°C; 3 months @ 35°C; 1 month @ 45°C.
- Operation temperature: -20°C to 60°C @60+/-25% Relative Humidity.
- Storage temperature: 0°C to 45°C @60+/-25% Relative Humidity.
- Lithium Battery Standard: UL1642(Cell), IEC62619, UN38.3, MSDS, CE-EMC.
- Enclosure protection rating: IP21.
Electrical Parameters (Examples for 48V and 51.2V systems):
- Operation voltage: 48 Vdc / 51.2 Vdc.
- Max. charging voltage: 54 Vdc / 58 Vdc.
- Cut-off Discharge Voltage: 42 Vdc / 46 Vdc.
- Max. charging and discharging current: Varies by model (e.g., 100A for 5KW, 120A for 7KW/10KW, 200A for 15KWH/20KWH).
Usage Features
- LiFePO4 Composition: Provides exceptional safety and longevity, with high safety and reliability.
- Long Service Life: Boasts 6,000 cycles and a 20-year service life.
- Consistent Performance: Maintains performance over a wide temperature range.
- Wall-mounted Installation: Designed for convenient wall-mounted installation.
- Integrated BMS: Features an integrated state-of-the-art Battery Management System (BMS) that manages and monitors battery information, including voltage, current, temperature, and balances cell charging/discharging rates.
- Warranty: Comes with a 5-10 years warranty.
- Display Function: Equipped with a Press Key LCD or Finger Touch LCD for displaying system status, battery parameters, and alarms. The display allows users to navigate through menus, view real-time data, and access various settings.
- Communication Interfaces: Includes CANbus/RS485 for active communication with inverters, and USB to RS232 for dynamic monitoring data from a computer. An "Address" portal is reserved for multiple parallel connections.
- Wake-Up Button (RST): A dedicated button to power on or shut down the battery. Pressing for 3 seconds activates the battery (LEDs flicker from RUN to lowest capacity indicator) or shuts it down (LEDs flicker from lowest capacity indicator to RUN).
- Parallel Connection: Supports parallel use of multiple battery units (up to 15 units recommended 2-4 units for 5-10KWH models) to increase total storage capacity. For 5-10KWH models, direct plug-and-play as a lead-acid type is possible with off-grid 48VDC solar inverters, even without Canbus/RS485 communication if the inverter lacks the port. For 15-20KWH models and hybrid inverters, consultation with YouthPower sales managers is advised for proper connection and ADS guide line settings.
- Battery Status Indicators: LEDs for RUN, ALM (Alarm), and CAPACITY (SOC) provide visual feedback on the battery's operational status, warnings, and charge level.
- Dormancy/Shutdown: The system enters a dormancy/shutdown state after 1 minute of inactivity (no keystrokes) on the LCD. Any key press can reactivate the screen.
Maintenance Features
- Safety Precautions: The manual emphasizes reading the user manual carefully before installation or use to prevent electrical shock, injury, or damage. Key precautions include:
- Charging stored batteries every 3-6 months to at least 80% SOC.
- Recharging fully discharged batteries within 12 hours.
- Disconnecting all battery terminals before maintenance.
- Avoiding exposure to flammable chemicals, water, or direct PV solar wiring.
- Prohibiting foreign objects in the battery.
- Ensuring correct wiring and avoiding short circuits.
- Not connecting the battery in series or with different battery types.
- Ensuring compatibility of electrical parameters with the inverter.
- Installation Guidelines: Detailed instructions for choosing a suitable installation location (firm, waterproof, free from flammable materials, within optimal temperature range, minimal dust/dirt) and mounting the battery to a wall. Minimum clearances to walls and other objects are specified to ensure sufficient heat dissipation.
- Tool Requirements: Specifies necessary tools for installation, including wire cutters, crimping modular pliers, and screwdrivers, with a strong recommendation to use properly insulated tools.
- Safety Gear: Recommends wearing insulated gloves, safety goggles, and safety shoes during handling and installation.
- Warranty: A comprehensive warranty term and card are provided, outlining coverage and conditions. The warranty covers manufacturing defects but excludes damages due to breaking the product seal, transport damage, incorrect installation/commissioning, failure to observe user manual, inappropriate operation, insufficient ventilation, failure to observe safety regulations, or force majeure. Cosmetic defects not affecting energy production are also excluded. In case of a defect, the factory will repair or replace the battery at its discretion.
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