When it comes to lightweight lithium battery packs designed for use with solar, the Voltaic V72 is our top seller. The V72 features high power USB port, 12V socket, and laptop support via 16V & 19V settings. Pass-through charging means that it can charge itself while it charges your equipment… smart! The low-overhead circuitry, and simplified display saves power, and plays perfectly with the variable power input from solar. The V72 is the battery included inside the Voltaic Fuse 10W & Array Solar Backpacks, and the Generator solar laptop case.
Using the Voltaic V72 with other Branded Solar Panels…
The Voltaic V72 charges well from Powerfilm, P3 Solar, Aspect Solar, Goal Zero, and other popular solar panels in addition to the Voltaic packs and DIY modules. It can also be charged from the included AC charger before you head out.
The input connector on the V72 is a 5.5×2.5mm barrel. If no such output option exists for your panel, using the CLA (car cigarette adaptor) is a good alternative (most portable ’12V’ solar panels offer the CLA socket, and the V72 comes with the male CLA plug for charging from a vehicle)
Voltaic V72 Battery Specifications…
More than doubles many laptop runtime (varies based on size of laptop’s battery and laptop’s efficiency), charges smartphones up to 10 times and tablets up to 3x.
- USB: 5V/2A
Input: 14-20V, up to 1.2A (= 24W. Up to 4A is safe, but only 1.2A max is utilized)
Maximum Output Power: 57 Watts
Output Capacity: 20,000 mAh (72 Watt-Hours)
- 9 hours in direct sun from 16.8 Watt panel
- 14.5 hours direct sun from 10 Watt panels
- 6 hours from included AC Charger.
Battery Type: Lithium Polymer
Protection: Short Circuit, Over Charge, Over Discharge, Over Current, Over Temperature
Weight: 1.1 pounds (500g)
Dimensions: 185 x 125 x 14 mm
Charge Display: LEDs light sequentially when charging.
Capacity Display: 1 light < 20%, 2 lights < 40%, 3 lights < 60%, 4 lights < 80% full, 5 lights > full
Warranty: 1 year on battery
Laptop Compatibility Notes
Requires optional MagSafe1 or MagSafe2 adapter. Newer, more efficient MacBooks (unibody) are more efficient than older MacBooks.
Voltaic’s external battery will not re-charge the battery on some Dell models, but it will run the laptop. This means you should not run your Dell battery completely flat when planning to use an external battery.