48V Stackable Lithium Battery for Home Solar System
Polinovel STK Series lithium home battery is built with lithium iron phosphate technology and features 15 layers of protection, making it a secure option for the home solar system. Having high-current BMS built in, it can safely run a 10KW inverter and handle heavier loads.
Features
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Plug-in & cable-less design
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Stackable design ensures easy installation
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Integrated master control module
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Up to 10 units in parallel for power expansion
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Great compatibility with 20+ inverter brands
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LCD display with customized logo
Product Details
| Model | STK10 | STK15 | STK20 | STK25 |
| Nominal Voltage | 51.2V | 51.2V | 51.2V | 51.2V |
| Nominal Capacity | 200Ah | 300Ah | 400Ah | 500Ah |
| Energy | 10.24kWh | 15.36kWh | 20.48kWh | 25.6kWh |
| Charge Cut-off Voltage | 58.4V | 58.4V | 58.4V | 58.4V |
| Discharge Cut-off Voltage | 40V | 40V | 40V | 40V |
| Standard Charge Current | 100A | 150A | 200A | 250A |
| Max. Charge Current | 200A | 300A | 400A | 500A |
| Max. Constant Discharge Current | 200A | 300A | 400A | 500A |
| Peak Discharge Current | 300A | 400A | 500A | 600A |
| Communication | RS485/CAN | RS485/CAN | RS485/CAN | RS485/CAN |
| Dimension | 585*360*458 mm (23*14.2*18 in) | 585*360*608 mm (23*14.2*23.9 in) | 585*360*758 mm (23*14.2*29.8 in) | 585*360*908 mm (23*14.2*35.7 in) |
| Weight | 92 kg (202.8 lbs) | 138 kg (304.2 lbs) | 184 kg (405.7 lbs) | 230 kg (507.1 lbs) |
| Charge Temperature | 0~50 °C | 0~50 °C | 0~50 °C | 0~50 °C |
| Discharge Temperature | -15~ 60°C | -15~ 60°C | -15~ 60°C | -15~ 60°C |
Wide Range Of Applications
