Humsienk ORIGIN 36V 640Ah LiFePO4 Battery System (3×12V 640Ah, Bluetooth & 250A BMS)
Built with three 12V 640Ah Grade-A LiFePO4 batteries in series, this 38.4V 640Ah system delivers a massive 24.5kWh capacity. Featuring 6,000+ cycles and a 250A Bluetooth BMS for safe, high-power output, it ensures reliable energy for large RVs, marine setups, and off-grid cabins.
Single Unit Dimensions (L x W x H): 635 x 244 x 218 mm
Single Unit Weight: 50.75 ± 0.5 kg
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36V 640Ah, 24.6kWh Massive Capacity: Reliable power for mid-to-large energy storage and off-grid systems.
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6000+ Cycles, Lower Long-Term Cost: Outperforms lead-acid batteries with longer lifespan and reduced replacement cost.
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Bluetooth Smart Monitoring: Track SOC, voltage, temperature, and key data in real time via APP.
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250A BMS with Multi-Protection: Supports high-power output with enhanced safety and stable performance.
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Flexible Charging Options: Compatible with charger, solar panels, and generators.
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Expandable System up to 131 kWh (4S4P): Ideal for demanding marine setups, extended RV living, and robust off-grid solar arrays.
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Wide Temperature Operation: Reliable performance from -4°F to 149°F for all climates.
| Mechanical | Plastic Case | ABS |
| Size | 635 x 244 x 218 mm | |
| Weight | 50.75 ± 0.5kg | |
| Electrical Characteristics | Nominal Voltage | 12.8V |
| Nominal Capacity | 640Ah | |
| Energy | 8192Wh | |
| Terminal | M8 | |
| Cycle Life | 6000 @ DOD80% | |
| Months Self Discharge | ≤3% / Month | |
| Efficiency Of Charge | 100% @ 0.2C | |
| Efficiency Of Discharge | 96~99% @ 0.5C | |
| Standard Charge | Charge Voltage | 14.4V ± 0.2V |
| Charge Mode | CC/CV | |
| Charge Recommended Current | 128A | |
| Max. Continuous Charge Current | 250A | |
| Standard Discharge | Discharge Recommended Current | 200A |
| Max. Continuous Discharge Current | 250A | |
| Discharge Cut-Off Voltage | 10V | |
| Environmental | Charge Temperature | 32°F~113°F / 0°C~45°C |
| Discharge Temperature | -4°F~149°F / -20°C~65°C | |
| Storage Temperature | -4°F~113°F / -20°C~45°C | |
| Ingress Protection Rating | IP65 |
- Search & Click to download the App: Search for "HumSienk Smart BMS" on Google Play or the Apple Store, and click to download.
- Perform basic setup & Accept terms: Allow the app to access your phone’s Bluetooth and Wi-Fi.
- Connect your Bluetooth battery: One way is to click the search icon in the upper right corner, find your Bluetooth battery, and connect; another way is to open the scan button in the search box and scan the QR code on your Bluetooth battery.
- Select the preferred language: There is a language selection box at the top of the app. Currently supported languages include Chinese, English, Japanese, Spanish, French and Dutch.
