Originally Posted by
Carbonfiberboy
I use an Edge 800 with a 4-AA cell battery pack with rechargeable 1.2v batteries. Don't know what the combined battery life is, but it's long. Could carry 4 spare cells. For long brevets, put chargers in your drop bag. One needs to use the charging cable that came with the Edge so it knows the pack is not a computer.
Inquiring minds want to know. How do you use the battery pack, hooked up while you ride or short charges at controls? How long does the Edge 800 run by itself, and what's the longest you've ridden without an off-bike recharge?