Compare Solar Backpacks
| Boost Sport | Boost Classic |
|---|---|
| 3.2 watts | 3 watts |
 |
 |
Charging Speeds |
|
| Maximum speed - same as a wall outlet (2.4A/5V). | Half the speed of a wall outlet. Direct sunlight required (0.5A/5V). |
Stores Power in a Battery? |
|
| Yes | No |
Built-in LED Solar Power Meter |
|
| Yes | No |