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Sunjack USB Handwarmer


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Sunjack USB Handwarmer

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SunJack Heat Bank keeps you warm and your mobile devices charged.

This little device weighs only 0.6 lbs, has a dimension of 4.1 x 2.8 x 1.8 in. Rounded design and smooth surface make it fits perfect in your hand. Device heats up from both sides, and reaches 122°F; keep you warm when it gets cold. 7500mAh battery capacity and simultaneously charge and discharge make it a great powerbank.

Technical Specifications

• Battery Capacity: 7500mAh
• Input: 2A Max Output: 2A
• Unit Dimension: 4.1" x 2.8" x 1.8" (10.4cm x 7.2cm x 4.6cm)
• Unit Weight: 14oz / 397g
• Packaging Dimension: 6.5" x 4.25" x 2.75" (16.5cm x 10.8cm x 7cm)
• Charging Time: 2A/5 hours Surface Temperature: 122°F +/- 41°F when heating
• What is in the box: Heat Bank Charging Cable, Strap and User Manual.

Before you place order, please note:

Because the item has battery inside, it is not allowed to ship to certain countries, including Argentina, Australia, Brazil, India, Indonesia, Kenya, Mexico, New Zealand, Russia, Thailand and many other countries. Please refer to Dangerous Goods Service Areas for a complete list (under "Dangerous Goods", ones don't have check mark are the countries we can't ship battery to). 

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