Eflex Install Manual
Rev. 1.92 
505 Keystone Rd, Southampton, PA 18966, USA . (877) 497 6937. sales@fortresspower.com . 
www.fortresspower.com 
13 
3.2 Accessories and Part Numbers 
These mounting accessories are available for purchase. Please contact sales@fortresspower.com. 
Fortress Kit Name 
Description 
Kit Quantity 
eFlex - wall mount kit 
Wall mount panel 
2 
Wall mount hooks 
4 
Hammer screw M6 
4 
Hammer nut M6 8mm 
4 
eFlex- shelf mount kit   
Rack mount kit left 
1 
Hammer screw M6 
4 
Hammer nut M6 8mm 
4 
Rack mount kit right 
1 
eFlex - floor mount kit 
Connection Plate 
1 
Hammer nut M6 8mm 
1 
Hammer screw M6 
1 
4. INSTALLATION 
Safe and reliable installation requires trained and certified technicians. The following discussion of 
Fortress Power Battery configurations is a basic primer. Follow all requirements for Energy Storage 
Systems in the National Electric Code. Due to the variety of systems and components in the field, all 
possible scenarios are not covered. This is not the purpose of this section of the manual. Refer to 
professional installers regarding your system and its components and specifications. We encourage 
you or your installer to contact us with any specific questions for technical support. We are committed 
to working with you and your installation team to achieve a safe, reliable storage system that will 
provide years of maintenance free service. 
4.1 Tools & Materials 
❖  The following insulated tools and materials are required: 
➢  Positive and negative battery cables. Please refer to the published Battery Cable Sizing 
Chart for the proper size, based on your system specification.   
➢  Positive and Negative Terminal lug recommendation: M8 (diameter: 8mm or 5/16in). 
Note that ring terminal size for the terminal lug is 3/8ths or larger. 
➢  Screwdriver 
➢  Communication Bus Terminator: to Match Impedances during parallel setup 
➢  RS 485 cable   
➢  OSHA approved personal protective equipment   










