Humsienk 51.2V Wall-Mounted LiFePO4 Battery Series
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51.2V 314Ah Wall-Mounted Battery
Battery Size: L890 × W620 × H254 mm | 133.5 kg
51.2V 400Ah Wall-Mounted Battery
Battery Size: L1251 × W741 × H200 mm | 186 kg
⚠️Battery in stock – ships immediately. Inverter on pre-order – ships separately once available.
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Registered businesses with a valid VAT ID can enjoy 0% VAT (Tax-Free) purchasing, along with an exclusive 5+5 Year Warranty (10 Years Total) on our 48V high-capacity batteries—simply contact support.eu@humsienk.com or WhatsApp +8613169906409 .
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Specification
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| Specification | 48V 300Ah | 48V 314Ah | 48V 400Ah |
|---|---|---|---|
| Battery Cells | Automotive-Grade Battery Cells | Grade A LiFePO4 Cells | BYD |
| Shell Type | Metal | Metal | Metal |
| Terminal | M8 | M8 | M8 |
| Size | 908 × 620 × 218 mm | 890 × 620 × 254 mm | 1251 × 200 × 741 mm |
| Weight | 118 kg ± 0.3 kg / 260.15 lb ± 0.3 kg | 133.5 ± 0.5 kg / 294.32 ± 1.10 lb | 186 kg ± 0.5 kg / 410.06 lb ± 0.5 kg |
| Electrical Characteristics | |||
| Nominal Voltage | 51.2V | 51.2V | 51.2V |
| Nominal Capacity | 300Ah | 314Ah | 400Ah |
| Energy | 15.36kWh | 16kWh | 20.48kWh |
| Cycle Life | 6000 Cycles @ 80% DoD | 6000 Cycles @ 80% DoD | 6000 Cycles @ 80% DoD |
| Self Discharge | ≤3% / Month | ≤3% / Month | ≤3% / Month |
| Charge Efficiency | 100% @ 0.2C | 100% @ 0.2C | 100% @ 0.2C |
| Discharge Efficiency | 96–99% @ 0.5C | 96–99% @ 0.5C | 96–99% @ 0.5C |
| Standard Charge | |||
| Charge Voltage | 57.6V ± 0.8V | 14.4V ± 0.2V | 56.8–58.4V |
| Charge Mode | CC / CV | CC / CV | CC / CV |
| Recommended Charge Current | 60A | 62.8A | ≤80A |
| Max Continuous Charge Current | 200A | 200A | 200A |
| Standard Discharge | |||
| Recommended Discharge Current | 150A | 157A | 200A |
| Max Continuous Discharge Current | 200A | 200A | 200A |
| Discharge Cut-Off Voltage | 40V | 40V | 40V |
| Environmental | |||
| Charge Temperature | 32°F – 131°F / 0°C – 55°C | 35.6°F – 122°F / 2°C – 50°C | 32°F – 131°F / 0°C – 55°C |
| Discharge Temperature | -4°F – 140°F / -20°C – 60°C | -4°F – 149°F / -20°C – 65°C | -4°F – 140°F / -20°C – 60°C |
| Storage Temperature | 32°F – 113°F / 0°C – 45°C | -4°F – 113°F / -20°C – 45°C | 32°F – 113°F / 0°C – 45°C |
| Ingress Protection Rating | IP54 | IP54 | IP20 |
51.2V 314Ah Description
- 16.076kWh Large Energy Capacity – Reliable power storage for home energy systems and solar applications.
- APP & LCD Real-time Monitoring – Easily check battery status anytime via mobile APP or built-in LCD display.
- High & Low Temperature Power-Off Protection – Automatically powers off to ensure safe operation in extreme heat or cold.
- Grade A LiFePO4 Cells – Premium battery cells delivering 15,000+ cycles @60% DOD for long-term reliability.
- Up to 10-Year Lifespan – Durable design with 5-year warranty. Professional reliability via CE, FC, RoHS certifications for your peace of mind.
- 200A Smart BMS + Circuit Breaker – Provides multiple layers of protection to effectively prevent overcharging, over-discharging, short circuits, and other potential risks.
- Expandable to 241.15kWh – Supports up to 15 batteries in parallel for your large-scale solar battery storage.
- Wide Inverter Compatibility – Compatible with various mainstream inverters via CAN / RS485 communication.
- IP54 Waterproof & Dustproof Rating – Durable metal shell protection for your wall-mounted LiFePO4 battery.
- Swivel Wheels with Foot Brake – Easy movement and flexible installation for multiple application scenarios.
51.2V 400Ah Description
- 20.48kWh All-in-One Energy Storage：Replaces 4× standard 48V 100Ah batteries, simplifying installation while reducing wiring complexity and cost.
- 200A High Output for 7–10kW Systems：Handles high surge loads and supports whole-home or commercial power demands with stable performance.
- Expandable Up to 307.2kWh Capacity：Supports up to 15 units for flexible energy scaling, ideal for growing home or business needs.
- 6000+ Cycles with BYD Battery Cells：Delivers exceptional lifespan at 80% DoD, ensuring reliable long-term performance beyond industry standards.
- Advanced Safety & Smart BMS System：Features steel casing, 15mV active balancing, and Bluetooth/LCD monitoring for safe and intelligent operation.
- All-Weather Performance (-20°C to 60°C)：Operates reliably in extreme temperatures, ensuring stable energy supply year-round.
- Plug & Play with Major Inverters：Seamlessly integrates with Victron, Growatt, SRNE via CAN/RS485/RS232 for easy system setup.
Resources Download
User Manual
Download 48V Batteries Series User Manual
App Download
- Search & Install: Find "HumSienk Smart BMS" on Google Play or the Apple Store.
- Enable Permissions: Allow Bluetooth and Wi-Fi access for proper functionality.
- Connect Battery: Use search or scan the QR code on your battery.
- Select Language: Supports Chinese, English, Japanese, Spanish, French, and Dutch.
Reviews
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Customer Reviews
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51.2V 300Ah Wall-Mounted（15.36kWh） / 1 Pack / Only Battery
Not tested yet, very good packed. Looks very good and solid.
Humsienk 51.2V Wall-Mounted LiFePO4 Battery Series