GUANGDONG XWELL TECHNOLOGY CO., LTD.
China best energy storage system supplier
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4 Module Parallel 20.48kwh 48V Stackable Home Battery Modular LiFePO4 Battery Solar Home Energy Storage Battery
Features of Residential Battery Storage System
1. Using the technology of lithium iron phosphate cell, superior safety,thousands of cycles, 100% DOD, under normal conditions.
2. Built-in automatic protection for over-charge, over discharge, over current and over temperature.
3. Free of maintenance .
4. Internal cell balancing.
5. Lighter weight: About 40% ~50% of the weight of a comparable lead acid battery.
6. Can be charged using most standard lead-acid charges (set).
7. Wider temperature range:-20℃~60℃.
8. Max support 15 units parallel connection.
Description of Residential Battery Storage System
1. 5,120Wh to 30,720Wh: Impressive capacity from 5,120Wh to 30,720Wh
2. 6000w: Impressive power for up to 6,000 W single-phase appliances
3. Reliable: Unmatched safety due to LiFePO4 battery
4. 12 YEARS EXPERIENCE: 12 years of production and energy storage experience
5. Perfect compatibility with existing/new solar systems
6. Ultimate convenience for indoor and outdoor installation
ESS Lithium Battery Specification
| Model | 1 Module | 2 Modules | 3 Modules | 4 Modules | 5 Modules | 6 Modules |
| Nominal capacity(kwh) | 5.12 | 10.24 | 15.36 | 20.48 | 25.6 | 30.72 |
| Operating voltage | 48V | |||||
| Weight (Kg) | 96.5 | 151.5 | 206.5 | 261.5 | 316.5 | 371.5 |
| Nominal voltage | 48V | |||||
| Dimension (mm) | 600x460x457 | 600x460x637 | 600x460x817 | 600x460x997 | 600x460x1177 | 600x460x1357 |
| Battery cell type | LiFePO4 | |||||
| Communication method | CAN/RS485/RS232 | |||||
| Operating temperature range | Charging: 0~45℃ Discharging: -10~50℃ | |||||
| Protection level | IP55 | |||||
| Installation method | Floor installation | |||||
| Cycle life | >6000 Cycles(80%DOD) | |||||
| Peak charge/discharge current (@25℃ ,5S) | 100A | |||||
| Self-discharge rate | ≤3.5%/month/@25°C | |||||
| Parallel function | 1S~6S | |||||
ESS Lithium Battery Connection Diagram
FAQ
1. Is the battery used in the battery pack grade A?
Yes, we only use Grade A and Brand new cells inside.
2.Do you test and match the battery before installing the battery pack?
Yes, every cell will be tested capacity, IR, voltage to surely match
Voltage:The deviation less than 0.01V
Resistance:The deviation less than 0.1mΩ
Capacity: Same capacity matched
3.How do I store my batteries?
When the product is not in use for a long time, it should be stored in a dry, clean and well-ventilated warehouse at 10°C～35°C, avoiding inflammable and explosive materials; the battery pack should be charged and maintained regularly every three months to ensure that the battery best performance state.
4.What is the cycle life of the battery?
6000 cycle life @ 80% DOD
5.What's the warranty of your 48V/51.2V battery pack?
5 years warranty, if there is broken item under quality problem within warranty time, we will offer free replacements or refund, up to your needs
6.Do your batteries support series or parallel connection?
Our 48V battery packs support up to 15pcs in parallel, if you need series connection, please contact our sales staff