21-Cell 18650 Lithium-Ion Battery Pack with Digital Level Indicator, Dual USB Output & Switch – Green
Specifications:Battery Type: 18650 Lithium-Ion (21 pcs included)Output Ports: 2 x USB (5V Buck Converter Female)Input Port: DC Jack Charging Input (12.6V recommended)Battery Monitor: Digital voltage & capacity displaySwitch: On/Off rocker switchCapacity: Approx. 14,000mAh (2000mAh x 21 cells)Output Voltage: 5V (USB)Output Current: Up to 2A per USB portEnclosure: Durable Green ABS plastic boxDimensions: Approx. 18cm x 9cm x 8cm | Weight: ~980gComponents Price:Battery 21x105=2205tkBox. =400tk40a bms = 140tkLevel. =250tk2 usb = 250tkPort/ switch =. 30tkService charge= 200tk________________________Total =3475tkDescription:This custom-built 18650 lithium-ion battery pack features 21 high-capacity cells in a compact, green ABS case. Equipped with a digital battery level monitor, dual USB 5V output ports using buck converters, and a master on/off switch, it is ideal for powering and charging USB devices on the go. The integrated storage box offers protection and portability, making it perfect for DIYers, field technicians, and power users needing a robust portable power source.Applications:Power bank for phones, tablets, routersBackup power for Arduino, Raspberry Pi, and other electronicsEmergency power supply during outagesOn-the-go power for portable gadgets and toolsDIY solar or off-grid energy storage setups
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Specifications:
- Battery Type: 18650 Lithium-Ion (21 pcs included)
- Output Ports: 2 x USB (5V Buck Converter Female)
- Input Port: DC Jack Charging Input (12.6V recommended)
- Battery Monitor: Digital voltage & capacity display
- Switch: On/Off rocker switch
- Capacity: Approx. 14,000mAh (2000mAh x 21 cells)
- Output Voltage: 5V (USB)
- Output Current: Up to 2A per USB port
- Enclosure: Durable Green ABS plastic box
- Dimensions: Approx. 18cm x 9cm x 8cm | Weight: ~980g
Components Price:
Battery 21x105=2205tk
Box. =400tk
40a bms = 140tk
Level. =250tk
2 usb = 250tk
Port/ switch =. 30tk
Service charge= 200tk
________________________
Total =3475tk
Description:
This custom-built 18650 lithium-ion battery pack features 21 high-capacity cells in a compact, green ABS case. Equipped with a digital battery level monitor, dual USB 5V output ports using buck converters, and a master on/off switch, it is ideal for powering and charging USB devices on the go. The integrated storage box offers protection and portability, making it perfect for DIYers, field technicians, and power users needing a robust portable power source.
Applications:
- Power bank for phones, tablets, routers
- Backup power for Arduino, Raspberry Pi, and other electronics
- Emergency power supply during outages
- On-the-go power for portable gadgets and tools
- DIY solar or off-grid energy storage setups
21-Cell 18650 Lithium-Ion Battery Pack with Digital Level Indicator, Dual USB Output & Switch – Green
Specifications:
- Battery Type: 18650 Lithium-Ion (21 pcs included)
- Output Ports: 2 x USB (5V Buck Converter Female)
- Input Port: DC Jack Charging Input (12.6V recommended)
- Battery Monitor: Digital voltage & capacity display
- Switch: On/Off rocker switch
- Capacity: Approx. 14,000mAh (2000mAh x 21 cells)
- Output Voltage: 5V (USB)
- Output Current: Up to 2A per USB port
- Enclosure: Durable Green ABS plastic box
- Dimensions: Approx. 18cm x 9cm x 8cm | Weight: ~980g
Components Price:
Battery 21x105=2205tk
Box. =400tk
40a bms = 140tk
Level. =250tk
2 usb = 250tk
Port/ switch =. 30tk
Service charge= 200tk
________________________
Total =3475tk
Description:
This custom-built 18650 lithium-ion battery pack features 21 high-capacity cells in a compact, green ABS case. Equipped with a digital battery level monitor, dual USB 5V output ports using buck converters, and a master on/off switch, it is ideal for powering and charging USB devices on the go. The integrated storage box offers protection and portability, making it perfect for DIYers, field technicians, and power users needing a robust portable power source.
Applications:
- Power bank for phones, tablets, routers
- Backup power for Arduino, Raspberry Pi, and other electronics
- Emergency power supply during outages
- On-the-go power for portable gadgets and tools
- DIY solar or off-grid energy storage setups
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