R&D asked themselves that question. The normal answer is that the pen contains enough energy to operate the entire election day without requiring a recharge. But we wanted to go past normal. What if you knew in advance that you were going into an environment that did not have reliable energy sources.
Photo by Chris Wilson outside the R&D facility
The SUPERBattery by DATEXX is small, light and capable of providing power to the pen for several days. Using energy consumption data from last Novembers election, each pen could be used for signing poll books for all most a week without plugging into a traditional outlet.
HEEK (Harsh Election Environment Kit) for the voting Geek.
Datexx LED-99 specifications
AC 120AC 120V 60Hz 9W
Power Output - (USB / 5mm jack) - DC 5V
Built-in Battery - 2/3AA niMH 5V 600mAh x 1
Charging Time - 12 hours
Charging Life Cycle - about 500 times
LED - 1 “super bright white” LED
Logitech io 2 Digital Pen Battery specifications for typical usage.
Battery type Lithium Ion Battery capacity [mAh] 180 Battery life, cap on: 280 days Battery life, cap off: 20 hours Battery life, cont. writing: 3 hours Battery charge time: 2 hours
And solar with wind power!!!
How about Wind Power?
Below is a wind generator from HYmini Products.
Product detail
Micro wind power generator
LED night light, and charge-in green indicator
1200 mAh built in lithium-ion polymer rechargeable battery power bank.
Green portable power platform
Lithium
Ion polymer rechargeable battery has around 500 complete charge cycles.
If the battery is fully charged every time, it should have at least of
1000mAh of stored capacity for you to transfer this power to other 5V
devices up to 500 times. A conventional mobile phone has around 0.4Ah
to 0.7 Ah of battery capacity.
Pictured below is a test device sitting in glass holder. It can charge our digital pen in less than 2 hours.
Try using your voting machine at Flight Level 330!