Shenzhen Topband Battery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 450Mwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production |
| Packaging Details | standard export carton |
| Material | lithium ion |
| Nominal voltage | 12V |
| Nominal capacity | 50Ah |
| Warranty | 1 years |
| Application | Portable Camping Power Supply |
| Output power | 500W |
| Output 1 | 12Vdc |
| Output 2 | 5Vdc |
| Output 3 | 220Vac/110Vac |
| IP rate | IP55 closinng, IP30 open |
| Brand Name | Topband |
| Model Number | TB1250N-T500W |
| Certification | CE,UN38.3, MSDS |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 450Mwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production | Packaging Details | standard export carton |
| Material | lithium ion | Nominal voltage | 12V |
| Nominal capacity | 50Ah | Warranty | 1 years |
| Application | Portable Camping Power Supply | Output power | 500W |
| Output 1 | 12Vdc | Output 2 | 5Vdc |
| Output 3 | 220Vac/110Vac | IP rate | IP55 closinng, IP30 open |
| Brand Name | Topband | Model Number | TB1250N-T500W |
| Certification | CE,UN38.3, MSDS | Place of Origin | China |
| High Light | camping power source ，camping rechargeable power supply | ||
Portable Power Station , Lithium Battery , Inverter , BMS All in One
1. General information
The portable solar power station is all-in-one system, combing the solar controller, inverter, lithium ion batteries and BMS. It is developed for power shortage remote mountain area, health care, agriculture and animal husbandry, military, outdoor camping, scientific investigation and disaster emergency applications, etc. It is simple operation and convenient carrying, it could be used for household and office appliances, electrical equipment in public place and rescue stations, including television, audio, electronic games, lighting, fans, laptops and mobile phone, etc.
3. Product structure description
Handle: easy to carry
Front door cover: Please close the door cover when not in use to prevent water and dust.
Status indicators: The light is blinking green when charging the product. The light is green when the system is running. The light is red when the system fails.
Capacity indicators: The five lights means the capacity of battery. One light means 20% of original capacity, two lights mean 40% of original capacity, in turn, followed lights means 60%, 80% and 100% of original capacity.
DC charge port: Charging the products after the car engine starting. Please connect the car charge cable (which comes with the product) to car cigarette lighter port and this charge port, the product could be charged when starting the car.
Solar charge port: This port is for charging this product by solar panel. Please well note the positive and negative when connecting of solar panel.
AC adapter charge port: When this product is charged by AC charge, please connect the special AC adapter (which comes with the product) to this port to charge the product.
DC 12V car cigarette lighter port: This port is mainly used for powering DC 12V car refrigerator.
DC 12V Output ports: This port is connected to DC12V low power LED lighting.
AC 220V Output socket: When using 220V electric appliances, connect the input plug of electric appliance into this socket.
Dual USB DC5V output ports: The output voltage of this port is DC 5V, it is used for digital products, such as, mobile phone, and so on.
Power switch: Control the operation or shutdown of the system. This system could be charged normally when this switch is off.
AC output control button: This button controls the output and turn off of 220V AC power. Press this button to turn on the AC output, press once more to turn off the AC output.
DC output control button: This button controls the output and turn off of DC 12V and DC 5. Press this button to turn on the output of DC 12V and DC 5V, press once more to turn off.
Communication interface: This interface communicates with computer via RS485.
4. Specification (@Initial temperature 25±5℃)
| No. | Item | Criteria | Remarks |
| 4.1 | Nominal Capacity | 50Ah | |
| 4.2 | DC Charge | Voltage: 13.5V-18V Current: 5A | |
| 4.3 | Solar Charge | Voltage: 18V Current:＜10A | |
| 4.4 | AC Adapter Charge | Voltage: 13.5V Current: 6A | |
| 4.5 | AC Output | Max. Continue Output Power: 400W/500W Output Voltage: AC220V±10% Output Waveform: Pure sine wave output frequency: 50Hz | |
| 4.6 | DC12V Output | Output Voltage: DC12V±5% Max. Output Current (Imax): 8A | |
| 4.7 | USB DC5V Output | Output Voltage: DC5V±5% Max. Output Current(Imax): 2A | |
| 4.8 | Overheating protection | ＞65'C | |
| 4.9 | Heat-dissipating method | Air cooling | |
| 4.10 | Protection type | Charging over current protection, low-voltage protection, over-voltage protection, overload protection, short circuit protection, overheating protection | |
| 4.11 | Dimension | 38. 5cm*28cm *15cm | |
| 4.12 | Weight | 9.2kg | |
| 4.13 | Operating temperature range | -10℃~45℃ | |
| 4.14 | Storage temperature range | 0℃~45℃ | |
| 4.15 | Enclosure protection class | Close position: IP55 Working position: IP30 |
5. BMS Management system
Over current protection: Status indicator light is red when charging current is greater than 10A.
Low-voltage protection: When the battery voltage is lower than 9.2V, BMS automatically close all output function, status indicator light turns red. You need to turn off the switch, and then turn on the switch to make the product recover to normal.
Over-voltage protection: When the battery voltage exceeds 12.5V, BMS automatically close all input.
Overload protection: When output power or start power of device is too large, BMS automatically turn off the device, status indicator light turns red. You need to turn off the switch, and then turn on the switch to make the product recover to normal.
Short circuit protection: When AC output protection, BMS automatically turn off the device, until the next boot after 5 seconds delay, the AC output start up automatically: When DC output protection, BMS automatically turn off the device, green light turns red, until the next boot after 15 seconds delay, the DC output start up manually (Note: make sure the load is without short circuit, and then turn on the product).
Overheating protection: When internal temperature is over 149℉ or 65℃, BMS automatically turn off the device, status indicator light turns red. You need to turn off the switch, and then turn on the switch to make the product recover to normal.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
240million-250million
Employee Number:
5000~5500
Ecer Certification：
Active Member
Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ... Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ...
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