21.5kwh solar battery system
Committed to providing safe, stable and cost-effective green energy products, high voltage energy storage system
solar battery storage system
solar backup battery system
51.2v5 ~ 20kwh series cabinet solar backup battery system have perfect protection functions (short circuit, overcurrent, overcharge, over-discharge, over-temperature, and other protection). Ideal as a backup power source for your home or business, energy-efficient, economical and smart.
21.5kwh solar battery system
21.5kwh solar battery system with Standard modular design, flexible and free combination, simple appearance. Friendly ergonomic interface, full display of battery status information. A long-life battery can exceed 3500 cycles.
21.5kwh solar battery system Transportation
The battery pack shall be packed into boxes for transportation. During transportation, it shall be prevented from violent vibration, impact or extrusion, sun and rain. It can be transported by vehicles, trains, ships, aircraft and other means of transportation.
21.5kwh solar battery system Storage
The battery pack is usually stored in a clean, dry and ventilated room with an ambient temperature of – 20 ℃ ~ 55 ℃ and a relative humidity of no more than 85% at a state of charge of 25% ~ 30%. It shall avoid contact with corrosive substances and be far away from fire and heat sources. From the date of manufacture, the current of 0.33 ~ 0.50c shall be supplemented for 15 ~ 20min every 3 months of storage
We can provide you with the most compact energy storage system solution, which can be charged and discharged quickly and solve your backup power problem more efficiently.
Details
| NO. | Item | Index | Remarks | |
| 1 | Nominal | 106.5Ah@ 1.0C discharge | (25±2) ℃ ,1.0CConstant current discharge, 2.5V cut off | |
| 2 | Minimum | 105.0Ah@ 1.0C discharge | ||
| 3 | Rated voltage | 3.2V | ||
| 4 | Internal resistance | ≤0.5mΩ | ||
| 5 | Charge CC-CV | Max | 1C | 0℃～ 45 |
| Cut off | 3.65V | |||
| 6 | Discharge | Max | 3C | ＜ 30S |
| Cut off | 2.5V | |||
| 7 | Charge | Standard | 2.0h | 0.5C |
| Quick | 1.0h | 1.0C | ||
| 8 | Recommended SOC application | SOC:10%～ 90% | ||
| 9 | Charging operating temperature range | 0℃～ 55℃ | ||
| 10 | Discharging operating temperature range | -20℃～ 55℃ | ||
| 11 | Storage temperature | Short term (within 1 month) | -20℃～ 45℃ | |
| Long term (within 1 year) | 0℃～ 35℃ | |||
| 12 | Storage humidity | ＜ 70﹪ | ||
| 13 | Weight | 1980±30g | ||
| No. | Item | Index | Remarks | |
| 1 | Combination method | 4S4P | ||
| 2 | Rated coltage | 51.2V | ||
| 3 | Rated capacity | Typical | 420Ah | |
| Minimum | 410Ah | |||
| 4 | Factory voltage | 51V-53V(40-60%SOC) | ||
| 5 | Internal Impedance | ＜ 60 mΩ | ||
| 6 | End of charge voltage | 56V～ 58V | ||
| 7 | End of Discharge voltage | 40V～ 44V | ||
| 8 | Standard charge | Constant Current 40A;Constant Voltage see NO.6;0.02CA cut-off | Charge time : Approx 6h | |
| Limiting current | 10A | |||
| 9 | Standard discharge | Constant Current 40A;Constant Voltage see NO.7;0.02CA cut-off | ||
| 10 | Maximum continuous charge current | 200A | T≥10ºC | |
| 11 | Maximum continuous discharge current | 200A | T≥10ºC | |
| 12 | Operation temperature | Charge temperature | 0℃～ 60℃ | 60±25%R.H. Bare Cell |
| Discharge | -20℃～ 60℃ | |||
| 13 | Storage temperature range | Less than 12 months :-10~35℃ | 60±25%R.H. at the shipment state | |
| Less than 3 months :-10~45℃ | ||||
| Less than 7 day :-10~35℃ | ||||
| 14 | Cooling mode | Natural cooling | ||
| 15 | Size | 428*365*1210 | ||
| 16 | IP code | IP54 | ||
| 17 | Weight | 150kg | ||
| No. | Model number | index | Remarks |
| 1 | Rated Capacity | 420Ah | |
| 2 | Rated Voltage | 51.2 | |
| 3 | Ratedpower | 21.5KWh | |
| 4 | Size： Width/depth/ Height | 428*365*1210 | |
| 5 | Maximum continuous charge and discharge current | 200A | |
| 6 | Pulse charge discharge and current | 400A | |
| 7 | chargecuttoff -voltoge | 58.4V | |
| 8 | discharge cuttoff -voltoge | 44.8V |
| No. | Item | Index | Remarks |
| 1 | System power | 12VDC， 9V-16V | |
| 2 | Consumption | <100W | |
| 3 | Operation temperature | -40℃-75℃ | |
| 4 | Can communication | CAN 2.0b； | |
| 5 | Voltage sampling | (cell)accuracy ± 0.5%, range 0 ~ 4.5 V, sampling period 360 ms. (total voltage) accuracy ± 1%, range 0 ~ 800 V, sampling period 360 Ms. | |
| 6 | Current sampling | Accuracy ± 1%, range – 300A ~ 300A, sampling period 20ms. | |
| 7 | Temperature sampling | Accuracy ± 1 ℃ , range – 40 ~ 120 ℃, sampling period 1 s, sampling points of each module 3. | |
| 8 | SOC calculation accuracy | 8% | |
| 9 | Relay control | ＞ 3.85V、＜ 2.5V cut off | It is divided into multi-level alarm, and the relay protection can be cut off only after the most serious alarm occurs |
| 10 | Charging control | 3.65v requests to stop, and 3.85v cuts off the charging relay; In case of fault (overcharge, leakage, etc.), the relay will be cut off automatically after requesting to stop |
| No. | Materia | Quantity | Remarks |
| 1 | Energy storage battery | 1 | |
| 2 | Positive output power line | 1 | |
| 3 | Negative output power line | 1 | |
| 4 | Can communication line | 1 | |
| 5 | RS485 communication line | 1 |
related products
Can you add a battery to an existing solar system?
Yes, you can install batteries in your existing solar system.
How long can a solar battery power a house?
The average home energy storage system can power your home equipment for 1-2 days. If connected to solar panels can cycle for even longer.
What happens when solar batteries are full?
If fully charged, it will pause the charge from the solar panel. There is an integrated BMS inside the battery that will protect the battery and not cause damage by overcharging.
How long do solar batteries last?
Home solar battery units can last about 10-15 years.