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【Feature】
BetterESS 48V 51.2V 300Ah 15kWh All-in-one battery built-in 5KW inverter with active balancer module and lifepo4 temperature-sensitive fire extinguisher; Battery and inverter integrated into one, easy to install, plug and play.
【Energy Expansion】
BetterESS 15Kwh All-in-one battery built-in 5KW inverter, it can connect all in one battery of the same model to form three phases system or just to expand capacity; It can also connect 15KWH battery (without inverter) to expand capacity，but the battery model must be the same.
【Usage】
BetterESS 15Kwh All-in-one ESS perfect for solar home systems, power outages, off-grid living.
【Note】If you want to expand your system, please order products from the same store and tell the staff your original order number.
Doculoadable documents
User manuals
Precautions
• No matter what the charging model is, once the temperature of the cell is above the absolute charging temperature, charging should be stopped.
• Please check the orientation of the positive and negative terminals before packaging.
• Connect the terminal or wire to the battery module, and pay attention to insulation to prevent short circuit.
• When not in use for a long time, the battery should be stored in a cool and dry place (<35°C, 30%~50% SOC, charge and discharge once every 3 months).
• Do not place the battery in direct sunlight or a heat source.
• Do not wear metal jewelry (such as rings, watches, accessories, etc.) when handling the battery unit.
Prohibited Matters
1. Do not charge beyond the maximum charging rate.
2. Do not disassemble or modify the battery.
3. Do not throw or hit the battery.
4. Do not pierce the battery with sharp objects (such as nails, knives, pens, electric drills).
5. Do not mix with other types of batteries or modular units.
6. Do not excessively squeeze the battery during use.
7. Do not place the battery in a high temperature greater than 60°C.
8. Do not use conductive materials to connect the positive and negative terminals (such as metals, wires)
| Model | BE-MB51300-200A-HWB |
| Nominal capacity | 306Ah |
| Nominal voltage | 51.2V |
| Charging voltage | 56.8–57.6V |
| Operating voltage | 43.2V–58.4V |
| Standard charging current | 0.2C |
| Standard charging mode | At 25℃, charge to 58.4V with constant current 0.2C5A, then switch to constant voltage 58.4V until ≤ 0.02C5A |
| Max charging current | 200A |
| Max discharge current | 200A |
| Max output power | 10240W |
| Charging temperature | 0℃ to 45℃ (32°F to 113°F) |
| Discharge temperature | -20℃ to 60℃ (-4°F to 140°F) |
| Storage temperature | -20℃ to 60℃ (-4°F to 140°F) |
| Line joint | 350A Self-Locking Fitting Quick Release Connector |
| Net weight | Approx. 128 kg |
| Communication protocol | RS485, RS232, CAN |
| Supported inverter brands | Growatt, Deye, Goodwe, Voltronic, Sofar, Victron, Megarevo, SRNE, Pylon, Luxpowertek, Sorotec, SMA, Ginlong, MUST, TBB, Studer |
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