The Lifepowr A3 MacBook pro power bank tear down

The Lifepowr A3 MacBook pro power bank specifications are listed as a 27000mah power bank with a USB-C output at 87watts.

After receiving a Lifepowr A3 MacBook pro power bank, I opened it up to see what's inside. There are 8 Samsung INR18650-35E, 18650 batteries combined, which equals to 28000mah output.

• The INR18650-35E specs are 
• Official specifications:
• Nominal capacity: 3500mAh
• Minimum capacity: 3350mAh
• Nominal voltage: 3,6V - 3,7V
• Charging voltage: 4,2V
• Discharge current: 8A
• Maximum discharge current: 13A
• Charge current: 0,6C 2000mA
• Discharge end voltage: 2,65V
• Pluspol: FlatTop
• Chemistry: LiNiCoAlO2
• Diameter: 18,55mm ± 0,1
• Height: 65,25mm ± 0,15
• Weight: 48g ± 1

Photos bellow