Battery Statistics
Odyssey PC625 - 12 volt 18 AH
PbA - AGM
$150 USD
Voltage range: 12.8V - 11.7V
Current (max): 180A
Power (max): 2.16 kW
Weight: 13.2 lbs
Size (inches): L-7.00 W-3.37 H-5.17
Volume: 121 cu-in
Total energy: 216.00 watt-hours

Links...
Enersys
PC625 spec sheet
Cost: 1.44 Wh/$ ($ 0.69/Wh)
Weight: 16.36 watt-hours per lb.
Volume: 1.77 watt-hours per cu-in
Cycle life...
400 cycles @ 80% DOD - 69.12 kWh
Life cost: $ 2.17/kWh
163 watts (max)/lbs.

Charging Information...
Voltage (max): 14.4 V
Current (max): 7.2 A
Power (max): 103 watts
Build a pack with this battery...

Series batteries: Parallel batteries:
Cost: $
Watt-hours per mile:
Optional pack title:
Metric

http://www.zuglet.com/batteries/batteryPack.php?id=1027&cost=150&whpm=400