8000mAh Dual USB for iPad iPhone portable power External Battery Charger power bank

Feature

power bank 118
capacity: 8000mAh
input voltage: 5V/500mA-1A
output: voltage: 5V/1A-2A
size: L13xW66x 16MM
weight: 256g

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 3500mAh Dual USB for iPad iPhone portable power External Battery Charger power bank

Feature

power bank  118-1
capacity: 3500mAh
input voltage: 5V/500mA-1A
size: L13xW66x 12MM
weight: 165g

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6500mAh Dual USB  for iPad iPhone portable power External Battery Charger power bank

Feature

power bank 
capacity: 6500mAh
input voltage: 5V/500mA-1A
output: voltage: 5V/1A-2A
size: L13xW66x 16MM
weight: 200g