$38 for Power Bank External Battery Backup Supply Charger for Smartphones, Tablets and More (Save 50% OFF)

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  • Power bank 10400mAh external battery – backup supply charger
  • Charges your cellphone, tablet and more!
  • Great for traveling!
  • Temperature resistance
  • Input over-voltage protection
  • Output over-voltage protection
  • Protection from short circuit
  • Protection from incorrect insertion
  • Protection from over-charge and over-discharge
  • Reset mechanism
  • Protection from output over-current
  • PTC protective circuits for the cell
  • Specification:

    • Type: portable mobile powers
    • Capacity (mAh): 10400mAh
    • Special functions: super slim, quick charge, long lasting
    • Connection Type: Micro USB, USB
    • Battery type: Li-ion battery
    • Material: aluminium alloy
    • Input: DC 5V 2A
    • Output: DC 5V 2A
    • Product weight: 0.255 kg
    • Package weight: 0.33 kg
    • Product size (L x W x H) : 9 × 7.7 × 2.1 cm
    • Package size (L x W x H): 11.5 × 9 × 3 cm
  • Package Contents : 1 x mobile power bank, 1 x micro USB cable (note: iphone charge cable in description picture is not included)

Fine print

  • No limit on orders purchased per person or as gifts
  • No redemption required.
  • Please make sure your shipping address is accurate to avoid delays
  • Taxes included.
  • Shipping is $5 extra.
  • Orders are delivered within 3-4 weeks from the purchase date
  • Shipping within Canada & Continental USA ONLY
  • All sales are final except if product is defective


We all know the feeling of dread when we see our power bar drop to 20%. It’s a quick scramble just to find the charging cable, but when you’re outdoors with not an outlet in sight, what are you to do? Well, if you shopped at SwarmJam, you would have bought the Power Bank 10400mAh External Battery – Backup Supply Charger already. Phew what a relief! This power bank allows you to charge your smartphone or tablet when there’s no alternative around, allowing you to continue using your devices. Quick to charge and slim enough to carry in your bag or pocket, this device is a must-have for smartphone enthusiasts!