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Belkin Power Pack 4000
Belkin is famous for its mobile accesory product line and the Power Pack 4000. While this is not the most powerful in this group, it can deliver a fast charge to two devices.
According to the Belkin product page, the Power Pack has pass-through capability, meaning it can charge phones and tablets at the same time that it charges its internal battery. This means it can be used in place of a phone/tablet power adapter.
From the Belkin product page:
- 4000 mAh power for charging on the go
- Allows four full cell phone charges, two full smartphone charges or a full tablet boost
- Built-In Safety: Thermal Management, and Over-Current and Short Circuit Protections
- StorageSafe technology holds 95% charge up to 30 days
- Convenient charge indicator
- Two 6” USB to micro-USB cables for charging and recharging
- Wall adapter