The Express Power Paks™ are an ideal reserve power source for the NEC business phone systems. The Power Paks are self contained rechargeable units. The Power Pak installs are both quick and simple. Customers like the units because they have uninterrupted phone service, even during a power outage, at a competitive price.

Specifications
- Self contained rechargeable battery backup
- Approximate Coverage Time: Up to 8 hours (coverage time will
  vary, dependant on system configuration and usage)
- Gel cell Batteries
- Shelf life (unused) at least 2 years
- Usage life (attached to system) approximately 4-6 years.
- Warranty - 1 year
- Weight - 14 1/2 lbs.