Solar Energy Storage System 6Kwh Residential Lithium battery, WIFI
& Cloud Platform , Expand up to 60kwh
1. Generation
This battery pack is basically designed for residential energy
storage system, mainly install indoor (<2000m above sea). The
battery can be charged by solar and grid, the stored energy can be
supplied to home appliances. The pack can communicate with other
devices via Can-bus and RS485. Through the APP and cloud platform
the real time instant battery status can be monitored.
2. Specification
| No | Items | Description |
| Battery specification |
| 1 | Nominal voltage | 51.2V |
| 2 | Nominal capacity | 120Ah |
| 3 | Nominal energy | 6.144KWh |
| 4 | Chemistry | LiFePO4 |
| 5 | Operation temperature | Discharge: -20℃-60℃(pack internal temperature) |
| Charge: 0℃-45℃ |
| 6 | Operation voltage range | 43.2～60V |
| Normal charge voltage/Float charge voltage | 3.65*16/3.45*16 |
| 7 | Allowed Max charging power | 6KW |
| 8 | Allowed MAX constant charge current | 120A |
| 9 | Allowed Max discharging power | 6KW |
| 10 | Allowed MAX constant discharge current | 120(＞0.5H)max. continuous charge and discharge at 120A, peak
500A(3S), 750A(1S) |
| 11 | Lithium battery efficiency | Up to 98% |
| 12 | Cycle life(DOD100%) | ≥2000cycles(DOD100%)； ≥4000cycles(DOD80%) |
| 13 | Battery module size | L: 710mm |
| W:465 mm |
| H: 210mm |
| 14 | Battery module weight | 60kg~70kg |
| 15 | Self-discharge rate | Residual capacity | ≤3% per month; ≤15% per year |
| Reversible capacity | ≤1.5%per month; ≤8% per year |
| Environmental Conditions |
| 16 | Humidity Range | 10%～90%RH |
| 17 | cooling | Natural cooling |
| 18 | Storage Temperature & Humidity Range | -10～30℃, 45%～75%RH |
| 19 | Installation Altitude(above sea level) | ＜2,000m |
| Certification |
| 20 | Battery | Meet UL1973, CE |
| | | | |
3. BMS Function
| No | Items | Description |
| Battery Alarm &Protection |
| 1 | Over charge | Over-charge alarm for each cell | 3.55±0.03V |
| Over-charge protection for each cell | 3.75±0.03V |
| Over-charge release for each cell | 3.4±0.03V |
| Over-charge alarm for total voltage | 56.8V±0.5V |
| Over-charge protection for total voltage | 60.0V±0.5V |
| Over-charge release for total voltage | 54.4V±0.5V |
| Over-charge release method | Under the release voltage |
| 2 | Over discharge | Over-discharge alarm for each cell | 3.00±0.03V |
| Over-discharge protection for each cell | 2.70±0.03V |
| Over-discharge release for each cell | 3.10±0.03V |
| Over-discharge alarm for total voltage | 48.0V±0.5V |
| Over-discharge protection for total voltage | 43.2V±0.5V |
| Over-discharge release for total voltage | 49.6V±0.5V |
| Over-discharge release method | Charge to recovery |
| 3 | Over current | Charge over current alarm | 135±5A |
| Charge over current protection | 150±5A |
| Protection delay time | 5±1s |
| Charge over current release method | Auto release after 1min； |
| Discharge over current alarm | 135±5A |
| Discharge over current protection | 150±10A |
| Protection delay time | 5±1s |
| Over current release method | Auto release after 1min |
| 4 | Short circuit | | 1200A±200A,delay time 200~800us |
| 5 | Charge over temperature | Alarm @50±3℃ |
| Protect @55±3℃ |
| Release @45±3℃ |
| 6 | Discharge over temperature | Alarm @60±3℃ |
| Protection @65±3℃ |
| Release @55±3℃ |
| 7 | Charge low temperature protection | Alarm @5±3℃ |
| Protect @0±3℃ |
| Release @5±3℃ |
| 8 | SOC | LOW SOC Alarm | 10% |
| Monitor & Communication |
| 9 | LCD | Customize the LCD screen |
| 10 | Communication | Can-bus, RS485 |
| 11 | monitoring | WIFI app & cloud platform |
| 12 | Series &Parallel connection | No series connection; Support max. 8pcs in parallel. |
| | | | |
4. Mechanical drawing
5. Installation
5.1 Required accessory list
| No | Items | Description | QTY | Unit | Remark |
| 1 | Battery module | 48V-120Ah-SPCC | 1 | pcs | |
| 2 | bracket | | 1 | pcs | |
| 3 | Screw | M8*25 | 8 | pcs | |
| 4 | Expansion screws | M8*60 | 12 | pcs | |
| 5 | Module communication cable | RJ11 *2_1.5m | 1 | pcs | |
| 6. | Inverter communication cable | RJ11_2.0m | 1 | pcs | |
5.2 Installation
| Step | Operation | Instruction |
| 1 | Check before install | Before open the package, please check if any broken of the package;
after open the package, please check if all the accessories
available, and any obvious external damage. |
| 2 | Prepare the tool | Before installation, please prepare all the tools, so as to install
and connect smoothly. |
| 3 | Choose the installation position | Please choose proper installation position, so as to ensure the
machine work normally and effectively. |
| 4 | Move the product to defined position | Please move the machine to the defined position, to make it easy to
open the package and install. |
| 5 | Open the package | Please open the package and check if all the accessories available,
if any damage of the machine |
| 6 | Punch the installation hole on the ground | Punch 12 installation holes on the wall |
| 7 | Fixed the bracket | fix the bracket on the wall with screws |
| 8 | Install the battery pack | Place the battery pack on the fixed bracket, then secure with
additional screws to fix the battery pack. Better to keep the
ambient temp. at 25°C |
6. Operation Instructions
This product is of air-cooling. For long time use, please clean the
dust of the product periodically, so as not to reduce the radiator
efficiency due to dust or other objects accumulated on it. It is
recommended to clean the product every month. After installation,
if the product has not been using for long time, please make sure
to charge the battery every three months.
7. Transportation & Storage
For long-term storage of this product, it need to be placed in a
dry, clean, lucifuge, well-ventilated indoor environment；
This product needs to be stored and transported with around 60%
SOC；
For long-term storage, product need to be charged once every 6
months；
During transport, no drop, no pile up, no turning, and make sure to
place upward.
8. Warming & Cautions
Please read the specification carefully before using this product.
Improper use of this product may damage the product. SHENZHEN
TOPBAND BATTERY CO., LTD. shall be exempt from any responsibility
for accidents caused by the usage without following the
specification.
Warming!
The battery must be far away from heat source, high voltage, and
avoided to be exposed in sunshine for long time；
Never throw the battery into water；
Never connect the positive and negative of battery with metal；
Never transport or store battery together with metal；
Never disassemble the battery without manufacturer's permission and
guidance.
Cautions!
Please do not use or store the battery at high environment
temperature, otherwise it will lead to overheat, fire or lifecycle
reduction;
When battery run out of power, please charge the battery timely
(≤15day)；
Please stop using the battery if there is peculiar smell, color
change, noise, leakage, severe distortion or other abnormal
situations.
If the battery leaks and gets into the eyes or skin, do not wipe,
instead, wash it with running clean water and go to hospital
immediately；
Do not put scraped battery into water or fire
