Stackable 48V 100Ah LiFePO4 Lithium Battery from China Suppliers - ENSMAR Apollo-Series Energy Storage Solutions
Product features
Technical Description
| MODEL | Apollo 48100H | Apollo 48100V |
| Battery Type | LiFePO4 (lithium iron phosphate battery) | |
| Nominal Capacity | 100Ah | |
| Nominal Voltage | 51.2V | |
| Total Energy | 5120 | |
| Charge Cut-off Voltage | 57.6V | |
| Disharge Cut-off Voltage | 40V | |
| Charge Current | 100A max | |
| Discharge Current | 100A max | |
| Communication Mode | RS485, CAN | |
| Ingress Protection | IP20 | |
| Scalability | max 8pcs in parallel | max 4pcs in parallel |
| Lifespan (80% DOD) | ≥6000 cycles, 25°C | |
| Compatible Inverters | Goodwe, Victron, SMA, Kosta, Fronius, Solis, Growatt, Sofar, Deye, Solar Ark, Outtback, Voltronic, Pylontech optional, more brands will be announced | |
| Working Environment | -20°C-60°C, < 95% RH | |
| Storage Environment | -20°C〜50°C, < 95% RH | |
| Operating Altitude | <2000m | |
| Design Life | 15 years | |
| Warranty Period | 5 years, 10years optional | |
Tips About Lithium Battery
Testing lithium-ion batteries is crucial to ensure their safety, performance, and reliability. Different tests are conducted throughout the lifecycle of the battery, from development and production to end-use. Here are key aspects and methods of lithium-ion battery testing:
1. Performance Testing A. Capacity Test- Purpose: Measure the actual capacity of the battery in ampere-hours (Ah) or watt-hours (Wh).
- Method: Charge the battery fully and then discharge it at a constant current until a specified cutoff voltage is reached. The discharged capacity is recorded.
- Purpose: Determine the number of charge-discharge cycles the battery can undergo before its capacity falls below a specified percentage of the original capacity.
- Method: Repeatedly charge and discharge the battery under controlled conditions, recording the capacity after each cycle.
- Purpose: Evaluate the battery’s round-trip efficiency, which is the ratio of energy output to energy input.
- Method: Measure the energy required to charge the battery and the energy it delivers during discharge.
- Purpose: Assess the battery’s behavior and safety when charged beyond its maximum voltage limit.
- Method: Charge the battery to a voltage higher than the specified maximum and observe for any adverse reactions like overheating, leakage, or explosion.
- Purpose: Evaluate the battery’s response to a direct short circuit.
- Method: Short circuit the battery terminals with a low resistance connection and monitor for temperature rise, voltage drop, and potential hazards.
- Purpose: Determine the battery's response to high temperatures and its susceptibility to thermal runaway.
- Method: Expose the battery to high temperatures and monitor its behavior, looking for signs of venting, fire, or explosion.
- Purpose: Assess the battery’s safety under mechanical deformation or impact.
- Method: Apply a specified crushing force to the battery and observe for leakage, rupture, or fire.
- Purpose: Assess the battery’s performance and durability under varying temperature conditions.
- Method: Cycle the battery between high and low temperatures and measure its capacity and voltage stability.
- Purpose: Evaluate the battery’s resistance to high humidity environments.
- Method: Expose the battery to high humidity conditions and monitor for corrosion, leakage, or performance degradation.
- Purpose: Test the battery’s performance at high altitudes where air pressure is lower.
- Method: Place the battery in a low-pressure chamber to simulate high altitude conditions and observe for changes in performance or safety.
- Purpose: Measure the internal resistance of the battery, which affects its efficiency and heat generation.
- Method: Apply a small AC current and measure the resulting voltage drop, or use a DC method by applying a pulse current and measuring the voltage drop.
- Purpose: Evaluate the battery’s ability to charge and discharge at different rates.
- Method: Charge and discharge the battery at various current rates (C-rates) and measure capacity, voltage, and temperature.
- Purpose: Assess the battery’s performance over time under controlled conditions, even if not cycled frequently.
- Method: Store the battery at specific temperatures and states of charge, periodically measuring capacity and internal resistance.
- Purpose: Speed up the aging process to quickly assess the long-term performance and degradation.
- Method: Subject the battery to high temperatures and elevated charge/discharge rates.
- Purpose: Ensure compliance with international and national safety and performance standards.
- Standards: Common standards include UL 1642, IEC 62133, UN 38.3, and others specific to transportation, consumer electronics, and industrial applications.
- Method: Conduct tests as specified by these standards, which cover a wide range of safety and performance criteria.
Comprehensive testing of lithium-ion batteries is essential to verify their safety, performance, and reliability. Different types of tests, including performance, safety, environmental, electrical, aging, and standard compliance tests, provide a holistic assessment of battery quality. Following established testing protocols and standards ensures that lithium-ion batteries meet the necessary requirements for their intended applications, thereby enhancing their reliability and user safety.
Frequently Asked Questions (FAQ)
A1: The Apollo 48100 series features a design life of 15 years and provides a long cycle life of ≥6000 cycles at 25°C (80% DOD).
A2: The scalability depends on the model: the Apollo 48100H supports up to 8 units in parallel, while the Apollo 48100V supports up to 4 units in parallel.
A3: These batteries are compatible with multi-brand storage inverters, including Goodwe, Victron, SMA, Kosta, Fronius, Solis, Growatt, Sofar, Deye, Solar Ark, Outback, Voltronic, and Pylontech (optional).
A4: The batteries comply with strict international standards and hold certifications including IEC62619, UN38.3, and CEC approval.
A5: Capacity testing is done by fully charging the battery and then discharging it at a constant current until a specified cutoff voltage is reached. The discharged capacity is recorded in Ah or Wh.
A6: Every battery module is equipped with a standalone, self-designed Battery Management System (BMS) to monitor and protect the battery cells individually, ensuring top-class safety and performance.