Please note: only the board and case, no batteries. The four strings of batteries must be assembled in separate capacity. When the output power exceeds 120W, a high-rate lithium battery must be used, otherwise the battery may not be able to discharge.
First select a 20 x 18650 battery (internal resistance and voltage should be the same), connect five batteries in parallel to form four groups, then connect the four groups of batteries in series, and lead out five wires. Use a multimeter to confirm the voltage of the five wires. (should be A-0V, B-4.2V, C-8.4V, D-12.6V, E-16.8V), and then solder the five solder joints on the PCB in sequence, 0-4.2V-8.4V- 12.6V-16.8V.
Special attention: the cables should be fixed well, they should not be touched together, and the welding must not be short-circuited, and must be welded in sequence from 0V
The intelligent fast charging of PD products must meet three conditions:
1 The charger must have PD protocol (not QC fast charge)
2 The charging cable must be a Type-c PD dedicated charging cable
3 Electrical equipment must have PD protocol
All three are indispensable, otherwise it can only be powered by 5V, and some cables may not be charged yet.
Support Apple computer PD protocol 87W charging
Support solar charging 18-24V
Simultaneous support for power supply of three electronic devices.
Material: Aluminum alloy
colour: silver
Package Contents:
1 x Power Bank Case(without battery)
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
![18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet 18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet](https://techzonz.com/wp-content/uploads/2023/07/57381-zvnyzx.jpg)
![18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet 18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet](https://techzonz.com/wp-content/uploads/2023/07/57381-myuzdm.jpg)
![18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet 18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet](https://techzonz.com/wp-content/uploads/2023/07/57381-gppvm3.jpg)
![18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet 18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet](https://techzonz.com/wp-content/uploads/2023/07/57381-u0ssrm.jpg)
![18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet 18650 Battery Power Bank Box LCD Display 60000MAh Power Board for 18650 Battery DIY Box Powerbank Case for Phone Tablet](https://techzonz.com/wp-content/uploads/2023/07/57381-drfp1v.jpg)
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