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Get a power boost! BoostBloc4000 from Etón is a backup battery pack with a 4000mAH lithium ion battery that provides long-lasting reliable power whenever and wherever you need it. Fast and efficient, when fully charged BoostBloc4000 fully charges most smartphones two times, so youre never caught powerless.
- Backup battery pack with rechargeable 4000mAH lithium ion battery
- Fully charges most smartphones twice when fully charged
- LED battery charge indicator
- Shake unit to check battery level
- Micro-USB DC input for use with smart phone chargers (iPhone block, etc)
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