Brunton Solar Role
Brunton’s SolarRoll are flexible solar panels made for powering electronic equipment on expeditions. The rolls weigh under a pound and can output up to 14 watts of power, which in 
was enough to recharge a laptop computer but not to run directly off of it. A SolarRoll can charge digital cameras, camcorders, GPS devices, satellite phones and other products in the most remote regions of the world. The amorphous solar cells are effective in bright sunlight as well as on partly cloudy days. To set up a SolarRoll, you simply unroll the panel and drape it across your tent or any other place in direct sunlight. Brunton includes two cables for connecting to various devices: The first cable has four standard plugs that work with the power outlet found on common devices like laptop computers and satellite phones. The second cable includes a vehicle-outlet connection so it can be used with adapters made to power devices off a car’s cigarette lighter.
was enough to recharge a laptop computer but not to run directly off of it. A SolarRoll can charge digital cameras, camcorders, GPS devices, satellite phones and other products in the most remote regions of the world. The amorphous solar cells are effective in bright sunlight as well as on partly cloudy days. To set up a SolarRoll, you simply unroll the panel and drape it across your tent or any other place in direct sunlight. Brunton includes two cables for connecting to various devices: The first cable has four standard plugs that work with the power outlet found on common devices like laptop computers and satellite phones. The second cable includes a vehicle-outlet connection so it can be used with adapters made to power devices off a car’s cigarette lighter.How to run a Laptop on Solar Power
1. How do I power my laptop using solar power? Laptop computers consume between 15 and 30 watts of power (some as much as 60 watts). Much less power is required when in standby mode. Generally either one 30W and in some cases two are required. Some laptops work with only 20W of panel capacity. To decide, multiply the output voltage labeled on your laptop’s wall adapter (usually a black plastic box in-line with wall plug) by the current (in amps) and this will be the number of watts your laptop uses. Most laptops use input voltages between 16 and 22 volts at usually 2 to 4 amps (doing the [...]
Field Charging EOS 1D Mark II
As my ph
otographic trips started to take me further and further from civilization, I soon realized my need for power. Now that I have converted to full digital, I travel with a Panasonic Toughbook and an Archos to backup photos on the road. I have found this setup works well for almost any trip; however it has me very dependent on electricity. I wanted a system that I could recharge my camera and laptop in the field. I soon discovered that Canon does not make a DC charger for the EOS 1D Mark II or EOS 1DS Mark II NP-E3 battery. It puzzled me that there were not enough professional photographers requiring field power. However, I guess the amount
of photographers that will be away from any power for days on end will be very limited. ImageI finally found a solution for my battery charging needs. The MAHA MH-C777PlusII Smart Battery Charger ended up fitting all my charging needs. It even comes with a cigarette adapter that can charge the NP-E2 and NP-E3 batteries. I also purchased a AA and AAA pack to charge batteries for my flash, gps etc.
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