Power supply on the icecap

Battery statisticOn the Greenland icecap we will be completely on our own. No civilization, no mobile phone network and no electricity outlet. So we have to rely on our own resources. We need power for all our electronic appliances which we will bring along. We will make use of photo cameras, video cameras, mp3-players, torches, GPS navigation, wind speed meters, satellite phone, BGAN satellite broadband internet, Toughbook laptop and a webcam.

We will use two sorts of energy. First of all batteries. We do not want to use rechargeable batteries. This is because the process of recharging all our batteries will take too long with solar power. Recharging batteries at -20 degrees take considerably longer than at home. So for all equipment which uses AA or AAA batteries, we rely on Energizer Ultimate Lithium batteries.
Those batteries are 33% lighter than alkaline batteries and they will last up to 7 times longer. The good thing is also that Litium batteries work very good at cold temperatures. Untill -40 degrees C. So photo cameras, video cameras, mp3-players, torches, GPS navigation, wind speed meters will all use Energizer Ultimate Lithium batteries.
We will take about 2 kg of Energizer Ultimate Lithium batteries. This is lighter than taking rechargeables, a charger and two extra solar power panels.

For the satellite phone, BGAN satellite broadband internet, Toughbook laptop and webcam we will make use of their own accu. The internal accu will be recharged by solar power. This process of recharging will be done during the day. A solar power panel is mounted on the sledge. At the end of the day all communication equipment will be ready to use again.
In the tent we can then listen to some music and update our weblog or post a videocast on the net. It feels just like home.

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