EnerSys DataSafe 12HX505-FR 12V 119Ah high rate VRLA UPS battery
EnerSys DataSafe 12HX505-FR 12V 119Ah high rate VRLA UPS battery

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EnerSys DataSafe 12HX505-FR Battery | 12V 505WPC AGM | Telecom

$400.95
SKU: 12HX505-FR
Availability: Request Quote For Availability
Minimum Purchase: 4 units
Shipping: Free shipping on orders $75 and up
Voltage: 12V
Chemistry: AGM VRLA, high rate
Terminal: M6 threaded receptacle, Layout D
Minimum Order Quantity: 4 Batteries
Capacity: 119Ah (8hr rate)
Dimensions: 13.3 x 6.8 x 10.7 in
EnerSys DataSafe 12HX505-FR Battery | 12V 505WPC AGM | Telecom

EnerSys DataSafe 12HX505-FR Battery | 12V 505WPC AGM | Telecom

$400.95
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Description  

EnerSys DataSafe 12HX505-FR Battery - 12V 119Ah High Rate VRLA

A UPS does its whole job in the first fifteen minutes. What matters is not amp hours on a label, it is watts the battery can actually deliver while the transfer switch settles and the generator comes up. That is what the DataSafe 12HX505-FR is built for: 506 watts per cell at the 15-minute rate, from a 12V 119Ah AGM cell with an electrochemistry tuned specifically for high-rate discharge. It is also sold as 12HX505 and as a Data Safe HX battery, so if you arrived here on any of those spellings you are in the right place.

Design Life and Warranty

Design life and warranty. EnerSys rates the DataSafe HX line at a 10-year design life. Separately, EnerSys warrants this model for 4 years in float service. Every unit also carries our own one-year free replacement warranty through High-Tech Battery Solutions. Full terms are confirmed in writing with your quote.

Built for the 15-Minute Rate

High-rate electrochemistry
The plate and separator design is optimized for short, hard discharges rather than long slow ones, which is the load profile a UPS actually presents.
2.8 milliohm internal resistance
Low impedance is what keeps terminal voltage up under a heavy draw, so the string holds above cutoff when the inverter needs it most.
Mounts in any orientation
The compression grommet seal means horizontal, vertical or side mounting all hold full spec, which matters in a cabinet you did not get to design.
  • Constant-power output at 1.67 VPC: 877 W at 5 min, 653 W at 10 min, 506 W at 15 min, 301 W at 30 min, 173 W at 60 min - size the string against the duration you actually need to cover.
  • Torque M6 terminals to 60 in-lbs (6.8 Nm) plus or minus 5% - under-torque runs hot at the post, over-torque strips the brass insert, and both show up as a failed load test rather than an obvious fault.

Technical Specifications

EnerSys DataSafe 12HX505-FR Specifications
Part Number 12HX505-FR (also written 12HX505, and searched as data safe 12hx505-fr, enersys 12hx505)
Series EnerSys DataSafe HX
Battery Type AGM VRLA, valve regulated, non-spillable
Nominal Voltage 12V
Nominal Capacity 119Ah at the 8-hour rate to 1.75 VPC @ 77°F (25°C)
Rated Power 506 watts per cell, 15-minute rate to 1.67 VPC
Terminal Type M6 threaded receptacle, brass insert, Layout D
Terminal Torque 60 in-lbs (6.8 Nm) ± 5%
Dimensions (L x W x H) 13.3 x 6.8 x 10.7 inches (338 x 173 x 272 mm)
Internal Resistance 2.8 milliohms (reference)
Short Circuit Current 4,510 A typical
Float Voltage 2.25 to 2.28 VPC @ 77°F (25°C)
Operating Temperature -22°F to 122°F (-30°C to 50°C)
Self Discharge Under 3% per month
Cycle Service Up to 300 cycles at 100% depth of discharge
Mounting Horizontal, vertical or side, full spec maintained
Certifications UL Listed file MH12544, UL1778 flame retardant, IATA approved, 49 CFR compliant
Design Life 10 years in standby service at 77°F (EnerSys)
Warranty 4 years in float service (EnerSys), plus 1-year free replacement through High-Tech Battery Solutions
Technical Documentation
12HX505-FR datasheet, DataSafe HX range summary (PDF) · 12HX505 discharge performance tables (PDF)

Where This Battery Is Used

  • UPS strings in data centers and server rooms - the 15-minute ride-through that carries the load to generator.
  • Telecom and switching equipment - central office and cabinet standby where the rectifier floats the string.
  • Emergency and egress lighting - code-inspected systems that get load-tested on a schedule.
  • Switchgear and process control - plant infrastructure where an unplanned stop costs more than the battery.

Ordering and Freight

Minimum order is 4 units. At 103 lbs apiece these move by LTL freight, and one unit costs nearly what four cost to ship, so the minimum keeps the per-unit freight sane. Send the quantity, your delivery ZIP and your requested-by date and a specialist returns a written quote in 24 to 48 hours. If you are sizing a string rather than replacing one, send the load in watts and the runtime you need and we will work the discharge table with you.

Frequently Asked Questions

Is the 12HX505 the same battery as the 12HX505-FR?

Yes. The FR suffix denotes the flame-retardant case, and it is how EnerSys catalogues this unit. You will see it written both ways, and as Data Safe as two words, across parts lists and specification sheets. All of them point at this battery.

Why does the warranty say 4 years when the design life is 10?

Design life is EnerSys's engineering estimate of service under good float conditions. The warranty is the period they will replace a failed unit. Both figures are real and they are not interchangeable, which is worth knowing because this category has a habit of publishing the design life as though it were the warranty term.

How do I size a string with the power table rather than amp hours?

Work backwards from the load. Divide your total load in watts by the number of cells in the string to get watts per cell, then read the table for the duration you need to cover. At 1.67 VPC this battery gives 506 W per cell for 15 minutes and 301 W for 30. Send us the load and the runtime and we will check the arithmetic before you order.

Can I mount it on its side?

Yes. Horizontal, vertical and side mounting are all approved with full performance and safety specs maintained, thanks to the compression grommet seal. That flexibility is usually what decides whether an existing cabinet can take this battery.

How long can it sit before installation?

Up to 6 months at 77°F before it needs a freshening charge, and less if it is stored warmer. If a unit has been on a shelf longer than that, charge it before it goes into service rather than after.

Get the 12HX505-FR quoted for your string

Send the quantity, your delivery ZIP and your requested-by date, or the load and runtime if you are sizing from scratch. A specialist confirms fit, lead time and freight in writing, with no obligation to buy.

Call 1-877-775-4381  ·  battery specialists, not a call center

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov (State of California only).

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