Deep Cycle Batteries : Marine Batteries | RV Batteries | AGM Batteries

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BD Batteries - Buffalo, New York & Denver, Colorado
Buffalo Phone: 716.531.4875
Denver Phone: 303.800.4725

Lifeline Batteries, Total Power Batteries, Rock Racing Battery Line, Optima Battery Lines & Sun Xtender Batteries

Deep Cycle Photovoltaic, Renewable, and Solar Power Backup Battery Sizing Calculator - DC

This calculator is designed to calculate DC loads to DC battery banks +/- a battery.
To compute AC loads to DC battery banks, click here
Input values in this grey box and click "Calculate" to populate other values on the page.

Enter Load Voltage


Appliances, Inverters, Etc.

Enter Load Amperage

Amps of Electricity used Continuously
Measured by multimeter: Appliances, Inverters, Etc.
Amperage input at voltage rating chosen above.


(1st Click to Calculate, then these will be populated)
6 Volt Solar Battery Results
2 Volt Solar Battery Results

Instant watt usage
amps x volts + inefficiency
watts

Hourly Amp Hours Used @ 12v
ah

Daily Amp Hours Used @ 12v
24 Hours - ah

Weekly Amp Hours Used @12v
7 days -ah

Monthly Amp Hours Used @12v
30 days - ah


AC to DC conversion is not perfectly efficient. To be safer, use the 80% (.8) efficient derate factor.

This calculator computes the number of batteries needed for any application +/- a battery. System is set to +20% (ah X 1.2) to account for wire resistance, resulting voltage loss, heat, and other DC system inefficiencies.

For Critical Applications battery sizing should be a starting point. Unusual circumstances call for an additional 100-500+ ah battery bank.

The computation does not account for losses of up to half ampacity for colder temperatures OR increased self discharge in warmer climates and on older batteries.

System does not account for amperages outside battery possible limits.

As a battery chemically transforms from fully charged to discharged, it's voltage drops from 13.5 - 10.5 volts for a 12 volt battery. As the voltage drops this affects the amount of amps required to drive a load. (Watts law: amps x volts = watts)
13.5 volts x 10.00 amps = 135 watts
10.5 volts x 12.86 amps = 135 watts
As such, this calculator is for sizing purposes only. All systems should be thoroughly tested as they are installed to insure that the battery bank is appropriate for the load on that site.

AGM Batteries are not harmed by high amperage charge and discharge so long as the input voltage is carefully regulated.
Charge 12 volt batteries at 13.2 - 14.4 volts
Charge 6 volt batteries at 6.6 - 7.2 volts
Avoid over charging and remove from charger immediately (or divert to other load - PV, renewable). Over charged batteries will have a unnaturally short lifespan. AGM batteries are not affected by higher current charging as GEL and Flooded batteries can be.

Sun Xtender 6 Volt Solar BatteriesBatteries Necessary for Reserve Power
@ 50% Depth of Discharge

Sun Xtender #PVX-1380T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-1680T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-1780T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-2080T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-2160T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-2240T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1
SunXtender 12 Volt Solar BatteriesBatteries Necessary for Reserve Power
@ 50% Depth of Discharge

Sun Xtender #PVX-340T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-420T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-490T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-560T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-690T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-840T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-1080T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-104T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-890T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-2120L
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-2580L
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-104HT
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1


Sun Xtender 2 Volt Solar BatteriesBatteries Necessary for Reserve Power
@ 50% Depth of Discharge

Sun Xtender #PVX-4140T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-5040T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-5340T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-6240T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-6480T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

Sun Xtender #PVX-1030T
5 hour reserve = Batteries, +/- 1
12 hour reserve = Batteries, +/- 1
1 day reserve = Batteries, +/- 1
3 day reserve = Batteries, +/- 1
5 day reserve = Batteries, +/- 1

AGM Batteries Available

All Available AGM Batteries
Battery Comparison Table - AH & Capacity
Battery Comparison Table - Size Weight

Lifeline Battery Dealer
Lifeline Deep Cycle AGM Battery Specifications
Lifeline Deep Cycle AGM Batteries by Size
Lifeline OEM - RV & Marine List
Lifeline AGM Battery Features
Lifeline AGM Battery SOC, OCV, and DOD Info
Lifeline AGM Battery Performance Graphs
Lifeline AGM Battery Charging Procedures
Lifeline AGM Batteries History
Lifeline AGM Batteries FAQ
Lifeline AGM Battery Safety
Battery, Inverter, and Generator Failover Calculator
AC - DC Lifeline AGM Battery Bank Sizing Calculator
DC - DC Lifeline AGM Battery Bank Sizing Calculator
DC Reserve Minutes Calculator
AGM Battery Users Manual Part 1 (1 of 2)
AGM Battery Users Manual Part 2 (2 of 2)
Sun Xtender Battery Dealer
Sun Xtender Deep Cycle AGM Battery Specifications
Sun Xtender Deep Cycle AGM Batteries by Size
Sun Xtender AGM Battery Features
3rd Party Sun Xtender AGM Battery Test Results
SunXtender AGM Battery Charging Procedures
Sun Xtender AGM Batteries History
Sun Xtender Battery Service Instructions
Sun Xtender Technical Documentation
AC - DC Sun Xtender AGM Battery Bank Sizing Calculator
DC - DC Sun Xtender AGM Battery Bank Sizing Calculator
Optima Battery Dealer
Optima Battery Features
Optima Red Top Battery Specifications
Optima Red Top Batteries by Size
Optima Blue Top Battery Specifications
Optima Blue Top Batteries by Size
Optima Yellow Top Battery Specifications
Optima Yellow Top Batteries by Size


Chairman Traction, Standby, and Wheelchair Batteries.
Chairman Traction / Standby / Wheelchair Batteries
Battery Chemistry Comparison - VRLA vs GEL vs AGM
Comparison Between Gel Batteries and AGM Batteries

Total Power Racing Battery Dealer
Total Power Racing Battery Features
Total Power AGM Racing Battery Specifications
Total Power Racing Lightweight Batteries by Size
Battery Chemistry Comparison - VRLA vs GEL vs AGM
Comparison Between Gel Batteries and AGM Batteries


Rock Racing Battery Dealer
Rock Racing Battery Features
Rock AGM Racing Battery Specifications
Total Power Racing Lightweight Batteries by Size
Battery Chemistry Comparison - VRLA vs GEL vs AGM
Comparison Between Gel Batteries and AGM Batteries


Shipping, Safety, and Legal

Lifeline, SunXtender, Total Power, and Rock Racing Battery Material Safety Data Sheet - MSDS (pdf)
Lifeline, SunXtender, Total Power, and Rock Racing Battery Safety Bulletin
Lifeline, SunXtender, Total Power, and Rock Racing Battery Transportation Information DOT

AGM Battery Applications and Benefits

AGM Battery Efficiency and Peukert Coefficients
Custom Uninterruptable Power Supply - Custom UPS
Uninterruptable Power Supply Kits - UPS Kits
Solar Powered Off Grid Housing

AGM Battery Installation Considerations

Hydrogen Venting Systems

BD Batteries - A Broomfield-Designers Company
Serving the Local Colorado Community 9-5 Mountain & Emergencies P. 303-800-4725 F. 303-600-9726
Serving the Buffalo and the Great Lakes Communities 9-5 Eastern & Emergencies P. 716-531-4875
Mailing Address: 5023 West 120th Ave. #138, Broomfield, CO 80020
OUR DENVER WAREHOUSE IS MOVING TO A NEW LOCATION AT THIS TIME.
WE WERE SCHEDULED TO REOPEN OUR BRICK AND MORTAR BATTERY WAREHOUSE
IN EARLY 2011. IN THE MEAN TIME OUR WEBSITE AND PHONES OPERATE FINE!

We do thank the public for the outreach of concern, and votes of confidence.
Do call Lorene prior to schedule used battery pickups, new battery dropoffs, etc. by appointment.

Corporate Accounts, Vendors, Installers, Electricians, and others interested in setting up an account.



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BD Batteries
Buffalo, New York
Denver, Colorado
716-531-4875
303-800-4725

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BD Batteries, Denver Battery Distributor
BD Batteries is an Upfront Merchant on TheFind. Click for info.

Official Battery Distributor for:
Lifeline Battery, Sun Xtender Battery, Total Power Battery, and Rock Racing Batteries.

AGM Batteries, AGM Battery Chargers, Deep Cycle Batteries, DC Fuses, DC Firewall Pass Throughs, Battery Terminals, Battery Cables, DC Diodes, and Special Order Flooded Crown Batteries!

Automotive Battery Directory           Broomfield-Designers Custom Database and Website

The information contain on this deep cycle AGM batteries website is deemed reliable, but not guaranteed. Please verify specific information on marine AGM batteries, rv AGM batteries or auto AGM batteries listed here by calling us direct. We are proud to offer the highest quality AGM batteries and hope you will consider using our deep cycle AGM batteries in the near future!