Construction
Lead-calcium-tin alloy plates with absorbed glass mat; high-rate standby design
EnerSys DataSafe 12HX205-FR 12V 205 WPC AGM UPS Battery
12 V 43 Ah individual battery
High-rate 12V AGM VRLA individual battery with 205 WPC at the published 15-minute UPS rate and 43Ah at the 8-hour rate. Battery-only product; exact system quantity, terminal orientation and application are reviewed before shipment.
Maintenance Free
Non-Spillable Design
Flame-Retardant Case
Long Service Life
Voltage
12 V
Capacity
43 Ah
8-hour rate to 1.75 VPC at 77°F (25°C)
Power (15 min)
205 W/cell
15-minute constant-power rate to 1.67 VPC at 77°F (25°C)
Weight
43 lb
Dimensions
8.9 × 5.5 × 8.1 in (L × W × H)
Individual battery dimensions, including terminals where stated; not packaged dimensions.
Terminal Type
M6 threaded receptacle
What’s in the box
- 1 × individual battery
Not included
Battery only. Rack, cabinet, tray, wiring harness, intercell connectors, fuse, installation hardware, UPS unit, and installation service are not included unless specifically listed.
Ideal applications
UPS & standby
Telecom
Data centers
Uninterruptible power supplies, information technology systems, data centers, telecom and other standby-power applications
Built for reliability
High-Rate UPS Performance
205 W/cell
15-minute constant-power rate to 1.67 VPC at 77°F (25°C)
Design Life
10 years at 77°F (25°C), application and temperature dependent
Case and Flame Rating
Flame-retardant case and cover (UL94) to meet UL1778
Non-Spillable
Yes — manufacturer classified as non-spillable.
Documents & downloads
Key technical specifications
| Radian SKU | 101457 |
|---|---|
| Manufacturer MPN | 12HX205-FR |
| Nominal Voltage | 12 V |
| Primary Capacity | 43 Ah |
| Primary Capacity Rating Basis | 8-hour rate to 1.75 VPC at 77°F (25°C) |
| Watts per Cell @ 15 min | 205 W/cell |
| Chemistry | AGM VRLA |
| Terminal Type | M6 threaded receptacle |
| Weight | 43 lb |
| Dimensions | 8.9 × 5.5 × 8.1 in (L × W × H) |
Full specifications
Electrical
| Product Form | Individual battery |
|---|---|
| Units Included | 1 |
| Complete Kit | No |
| Nominal Voltage | 12 V |
| Primary Capacity | 43 Ah |
| Watts per Cell @ 15 min | 205 W/cell |
| Chemistry | AGM VRLA |
| Terminal Type | M6 threaded receptacle |
| Design Life | 10 years at 77°F (25°C), application and temperature dependent |
| Maintenance Free | Yes |
| Cell Count | 6 |
| Battery Technology | Lead-calcium-tin alloy plates with absorbed glass mat; high-rate standby design |
| Primary Capacity Rating Basis | 8-hour rate to 1.75 VPC at 77°F (25°C) |
| WPC Rating Basis | 15-minute constant-power rate to 1.67 VPC at 77°F (25°C) |
| Float Voltage | 2.25–2.28 VPC (13.5–13.68 V per battery) |
| Operating Temperature | -30 to 50 °C |
Physical and terminals
| Dimensions | 8.9 × 5.5 × 8.1 in (L × W × H) |
|---|---|
| Weight | 43 lb |
| Terminal Hardware / Thread | M6 female threaded receptacle |
| Terminal Layout | Layout 1 per EnerSys dimension/terminal diagram |
| Polarity / Orientation | Layout 1: positive left / negative right when viewed per OEM diagram |
| Terminal Torque | 60 in-lb (6.8 Nm) |
| Connector Type | None — bare battery terminals |
| Harness Included | No |
| Fuse Included | No |
| Tray / Enclosure Included | No |
| Case Material | Flame-retardant thick-wall plastic container. |
| Mounting Orientation | Follow EnerSys installation guidance; alternate orientation not inferred. |
| Dimension Basis | Individual battery dimensions, including terminals where stated; not packaged dimensions. |
| Published Dimension Tolerance | ±0.08 in (2 mm) |
Performance
| Capacity C8 | 43 Ah |
|---|---|
| WPC @ 5 min | 412 W/cell |
| WPC @ 10 min | 274 W/cell |
| WPC @ 20 min | 164 W/cell |
| WPC @ 30 min | 119 W/cell |
| WPC @ 45 min | 85 W/cell |
| WPC @ 60 min | 67 W/cell |
| Internal Resistance | 4.5 mΩ |
| Short Circuit Current | 2775 A |
| Shelf Life / Freshening Charge | Up to 6 months at 77°F (25°C) before freshening charge; interval shortens at higher temperature. |
Standards and compliance
| Standards / Certifications | UL1973 safety listed; flame-retardant UL94 case/cover to meet UL1778; IATA A67; 49 CFR; ISO 9001 and ISO 14001 manufacturing systems |
|---|---|
| UL File Number | MH12544 |
| Case / Flame Rating | Flame-retardant case and cover (UL94) to meet UL1778 |
| Non-Spillable | Yes — manufacturer classified as non-spillable. |
Expert Support
Talk to a battery specialist on (888) 646-9588.
Application Review
A Radian representative confirms your application before shipment.
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We’ll confirm fitment before shipment
To help ensure the correct product and setup, a Radian representative will review your application, compatibility requirements, configuration, and final specifications prior to shipment.