Powerbank 21000 mAh with 18650 Li-Ion batteries.

Part list:

• powerbank modul SW6208  (power rating of 22.5W)
• 6 Samsung INR18650-35E (6x3500 mAh)
• 2 screws M2x10 (for housing)
• 2 screws M2x5
• silicone cable AWG18
• silicone glue

Advice:

• Fix the module board screws M2x5
• Fix the housing  with screws M2x10
• Fix the battery with glue to the body of the powerbank

Characteristics powerbank modul SW6208 :

Switch charging
Current up to 5A, efficiency up to 95%
Support for JEITA specifications
Supports 4.2/4.35/4.4/4.5V battery types
Support temperature loop control
Synchronous boost output power up to 22.5W, with an efficiency of up to 95%
Supports wireless charging mode
Automatic load detection/light load detection
Supports low current mode·
Output fast charging protocol
Supports PPS/PD3.0/PD2.0
Support AFC, support QC4+/QC4/QC3.0/QC2.0
Supports FCP
Support SCP
Supports SFCP
Supports FCP
Supports PE2.0/PE1.1