TQS4.2KW+7.168KWh Stackable Power Energy Storage
HS-TQS 4.2kW+7.168kWh Stackable Energy Storage Battery System
(Flexible Scalability | Efficient Stability | Smart Energy Management)
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TQS4.2KW+7.168KWh Stackable Power Energy Storage Description
Core Advantages
✔ Modular stackable design
Meets the flexible power consumption needs of residential/commercial scenarios, allowing for on-demand expansion without waste.
✔ Military-grade safety protection
Uses LiFePO4 lithium iron phosphate batteries with a cycle life of ≥6000 times; IP65 protection + intelligent temperature control system, certified for overcharge/overdischarge/short-circuit safety.
✔ Dual-mode intelligent switching
Seamless grid-connected/off-grid transition, compatible with photovoltaic systems to achieve 100% self-sufficient green power, automatic switchover in under 10ms during power outages, ensuring uninterrupted power supply for critical equipment.
✔ All-weather energy management
Real-time monitoring of charging/discharging status via the app, supports peak/off-peak electricity pricing strategy settings, maximizing electricity cost savings.
| Rated Output Power | 4200VA/4200W |
|---|---|
| Nominal AC Output Voltage | 208/220/230/240Vac |
| Nominal AC Frequency | 50/60Hz |
| Rated Voltage | 25.6V |
| Rated Capacity | 280Ah |
| Rated Energy | 7168Wh |
| Voltage Range | 22.4-28V |
| Charge Voltage Range | 28-28.8V |
| Cut-off Voltage | 22.4V |
| Recommend Charge Current | 50A |
| Max Charge Current | 100A |
| Max Discharge Current | 150A |
Application Scenarios
◼ Home Energy Storage | Pair with a solar system to achieve self-sufficient power supply
◼ Commercial Backup | Address sudden power outages and ensure uninterrupted operations
◼ Off-Grid Power Supply | Stable power supply for RVs, islands, and remote areas
Technical Specifications
▸ Rated Capacity: 7.168kWh (stackable ×4 units)
▸ Peak Power: 4.2 kW (continuous output 3.5 kW)
▸ Cycle Efficiency: ≥96%
▸ Operating Temperature: -20°C to 55°C
▸ Communication Protocol: CAN/RS485
From daily power use to emergency backup, the HS-TQS redefines energy freedom with intelligent energy storage solutions.
Founded in 2011, Shenzhen Haisic Technology Co., Ltd. is a national high-tech enterprise dedicated to the research, development, and production of energy storage products such as LiFePO4 battery packs, commercial& industrial energy storage residential energy storage, portable power station/solar generator, solar inverter, lift truck battery, RVAlandscape bus/golf cart battery and other OEM/ODM battery in China.
A: With high energy density, it has reached 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries. Long service life, life span can reach more than 6 years. Light weight, the weight is about 1/5-6 of the lead-acid product under the same volume.
A: Lithium battery is used for power and energy storage. Like emergency power backup or UPS. Dependable electric and recreationalvehicle power, golf cart, reliable and light-weight marine, solar power storage, solar house, small processing factory, surveillance or alarm systems in remote locations.3.Are your batteries safe?A: Our batteries are safe. All Zwayn batteries use the safest and most stable components, including a LiFePO4 cathode and abuilt-in Battery Management System (BMS). The BMS protects the cells against excessively high or low voltages, high currents,short circuits, and excessive heat or cold. These are the most common causes of battery failures, and we have taken everyprecaution to mitigate these risks in all of our batteries.
4.How do I choose the correct lithium deep cycle battery for my application?
A: In most standard 12, 24, or 48 volt systems, the best choice of lithium battery is LiFePO4 (Lithium Iron Phosphate/
Pouch/Primary battery cell). The voltage of this type of battery is very similar to an AGM and will work great with readily
available system components for your RV, boat, off-grid power system, solar house(TV, refrigerator, washing machine, air
conditioner, water heater, microwave oven, induction cooker, dishwasher, printer, computer),Telecommunication Tower, hybrid &off-grid solar energy system applications.5.Can it be series or parallel for use?A: Yes sir, it can support max. 15 in parallel connection for use, Max 150kwh storage box.
6.Can these battery pack be compatible with my inverter? do you have a company list of the inverter which iscompatible?
A:Yes sir, our battery pack can compatible with most brand of inverter on the market, such as Deye, MUST, SMA, Growatt, Solax,Solis, Sungrow, Sofar, Voltronic, Sorotec, Studer, etc.
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