Please fill in the light green cells indicated with an arrow STEP 1: NO. OF PACKS AND LOCATION    
kWhr backup required   Enter number of KWh needed for you application    
 GBU model
  Select the GBU model    
Lead Acid Battery Model
  Select the Lead Acid Model to compare     
Power System Life (years)   Enter the DC Power System life    
             
             
             
Main Capital Costs VRLA Back-Up Li-Ion Back-Up   STEP 2: WHAT ARE YOUR MAIN CAPITAL COSTS?  
Estimated Battery life (years)   Enter your expected UPS lifetime    
Number of KWh per battery    Enter your expected lead-acid battery lifetime    
Number of batteries    Enter the price per KWh for lead-acid battery and the corresponding GBU lithium-ion battery  
Total number of batteries in the life of UPS    Enter the price for the installation of a  lead-acid battery and the corresponding GBU lithium-ion battery  
Cost Per Battery (per 12V Mono Block for LA, Per GBU for Li-Ion)        
Price of battery Per KWh        
Installation cost        
TOTAL MAIN CAPITAL COSTS        
             
Annual Maintenance Costs VRLA Back-Up Li-Ion Back-Up   STEP 3: WHAT ARE YOUR MAINTENANCE COSTS?  
No. of maintenance days per year   Enter the number of maintenance days per year    
Labour cost per hour   Enter labor rate in dollars/hour    
No. of hours spent on maintenance per day   Enter the amount of time needed per day for maintenance
Example: 15 minutes per battery testing using 2 men in a 24 hour operation = 15 minutes * 2 people / 60 minutes = 0.5 hrs per day
TOTAL MAINTENANCE COST PER YEAR        
             
Annual Electricity Costs for Charging & Cooling VRLA Back-Up Li-Ion Back-Up   STEP 4: HOW MUCH ENERY WILL YOU SAVE?    
Electricity cost/KWh   Enter your local energy rate in kWh/dollar    
No. of charge/discharge cycles per month   Enter the number of charge discharge cycles per month  
Battery efficiency        
UPS Electricity cost        
Cooling consumption cost        
TOTAL  ELECTRICITY COST PER YEAR        
             
Annual Real Estate Cost  VRLA Back-Up Li-Ion Back-Up   STEP 5: HOW MUCH SPACE WILL YOU SAVE?    
Selected Battery height        
Battery Pack space requirement in Rack Units        
Battery volume savings in 1U increments   -        
Real estate cost per 1U per month    Enter your rent cost per 1U per month    
TOTAL REAL ESTATE COST PER YEAR        
             
Total Opex Payments over System Lifetime        
             
Total Capex/Opex Payments over System Lifetime        
             
Total Savings for Li-ion over System Lifetime