The 12u 65ah Back up battery the following Features;

• High cycle
  Above average, charging and discharging cycles
• High durability
  Top-Quality materials and careful processing
• Low Self-discharge
  Ideal material-coordination for a maximum performance
• High Capacity and Efficiency
  High Capacity and Efficiency Low internal resistance for high discharge current
• Charged Batteries
  Accumulators in general are fully-charged on delivery