Eton NBOBL4000R BoostBloc4000 Rechargeable Portable Battery Pack - Red

Eton NBOBL4000R BoostBloc4000 Rechargeable Portable Battery Pack - Red


Give yourself a power boost! BoostBloc4000 from Etón is a powerful back-up battery pack with a 4000mAH lithium ion polymer battery that provides long-lasting reliable power whenever and wherever you need it. When fully charged, the fast and efficient BoostBloc4000 fully charges most smartphones twice, so you’re never caught powerless. With its sleek and elegant design, BoostBloc4000 fits in the palm of your hand, and features a Mini-USB DC input to recharge the bloc. An LED charge indicator lets you monitor the battery charge level when you give it a quick shake

On a plane or trekking in the woods, BoostBloc4000 provides the power you need to stay fully charged, wherever you are.


  • Fully charges most smartphones twice when fully charged
  • Includes Mini-USB Cable to recharge the BoostBloc
  • LED battery charge indicator
  • Shake unit to check battery level
  • Dimensions: 1.4"H x 1.6 "W x 1.6"D
  • Weight: 2.5oz

Read More

Product Details

Publication date:

Related Subjects

Customer Reviews

Average Review:

Write a Review

and post it to your social network


Most Helpful Customer Reviews

See all customer reviews >