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Tech Specs

Universal Key Box Battery:

  • Portable and Lightweight
  • Key-like Design
  • Hidden Retractable 510 Connector (Revealed Through a Push of a Button)
  • Internal 350mAh Battery
  • Compatible with All 510 Cartridges
  • Hidden Built-in USB Charging Cable
  • Loop Designed to Attach to Your Keychain
Shipping And Returns

We offer shipping through FedEx, UPS, and USPS. We also offer will call pick-up free of charge. Check out our wide range of options below:

Free shipping
for orders over $500.00
  • FedEx

    (Same-day shipping before 1 P.M. PST [Mon-Fri])

    • Ground
    • Express Saver
    • 2 Day
    • 2 Day AM
    • Standard Overnight
    • Priority Overnight
    • First Overnight
  • UPS

    (Same-day shipping before 1 P.M. PST [Mon-Fri])

    • UPS Ground
    • UPS Three-Day Select
    • UPS Second Day Air
    • UPS Second Day Air A.M.
    • UPS Next Day Air Saver
    • UPS Next Day Air
    • UPS Next Day Air Early A.M.
    • UPS Second Day Air Saturday
  • USPS

    (Ships within 1 business day)

    • Priority Mail 3-Day
    • Priority Mail Express 2-Day
  • In-Store Pick Up

    (Ships within 1 business day)

    • Pick up in Baldwin Park, CA
  • EC Supply Inc. only allows returns in the form of exchanges on manufacturer defective products. Defective products may be returned within a 45-day warranty service period for the following manufacturers (does not inlcude battery and charger sales):

    • Aspire
    • Innokin
    • Joyetech
    • Kangertech
    • Lost Vape
    • SMOKtech
    • The Council of Vapor
    • Wismec
    • Sigelei (currently stocked products only)
    More About Our Warranty Service Policy

Universal Key Box Battery


The Universal Key Box Battery is extremely lightweight and can be attached to any set of keys. This makes the box battery a breeze to bring on the go. There is an angled loop (located at the base of the device) and by simply connecting a key ring within the loop, you will able to secure and bring it with you everywhere. The Key Box has a hidden 510 connector that is retractable with a push of a button and USB charging cable rooted on the side. It comes featured with an internal 350mAh battery, is highly compatible with all 510 cartridges, and has a built-in 4-hour charge time. The Key Box has a single button architecture used to power the device on and off. Just press the button 5 times to turn on or off the machine.


Grouped product items
Universal Key Box Battery - VV-GLD
VV Gold
Universal Key Box Battery - VV-SS
VV Stainless Steel
Only 14 left!
Free shipping
for orders over $500.00