Ideal for Temporary Backup for DIN-Mounted Electronics

Power Supplies - 48VDC 1.2Ah Battery Pack
48VDC 1.2Ah Battery Pack

The 1.2Ah 48VDC battery pack is an ideal battery solution suited for 48VDC UPS applications, or other industrial applications where battery reserve power is required.

The aluminum powder coated housing includes a pluggable screw down terminal, and an externally accessible fuse for easy installation and maintenance. This battery pack mounts on standard T35 DIN rail and has dual clips for extra stability on the rail.

The four internal batteries are maintenance free, AGM sealed lead acid, and rated for up to 5 years of standby service. Spent batteries are easily replaced in the field and replacement battery sets are readily available.

RLH offers a variety of compatible DIN rail power supplies and charge controllers to complete your battery backup solution.


  • Includes dual DIN clips for extra stability
  • DIN mountable
  • Powder coated aluminum construction
  • Easy to access pluggable screw down terminal
  • Ideal solution for 48VDC battery backup applications
  • Externally accessible replaceable fuse
  • Includes sealed, maintenance free, lead acid batteries with AGM technology
  • Up to 5 years of standby service

Battery Pack Construction:
Powder Coated Aluminum

10.38” (W) x 3.58” (D) x 5.64” (H), (264mm x 91mm x 144mm)

DIN Clip for T35 DIN Rail

Power Connection:
Screw down power terminals

7 lbs. (3.2kg)

Internal Batteries:
Quantity 2, 12VDC, 1.2Ah

Battery Type:
Lead acid deep cycle AGM, spill proof, maintenance free

Nominal Voltage:

1.2Ah @ 25˚C

6A, user replaceable

Operating Temperature Range:
Discharge -20˚C ~ 60˚C (-4˚F ~ 140˚F)
Charge 0˚C ~ 50˚C (32˚F ~ 122˚F)
Storage -20˚C ~ 60˚C (-4˚F ~ 140˚F)

Recommended Charging Voltage:

Recommended Charging Current Limit:

Maximum Recommended Charging Current Limit:

Self Discharge:
Charge the batteries at least once every six months, if they are stored at 25°C (77°F)

General Information

Specialized Drawings



Lead Time: 1 Week*

For product questions, volume pricing and/or delivery outside of the US and Canada, please contact sales.


48VDC 1.2Ah DIN Mount Battery Pack

Short descriptionPart numberPrice
DIN 48VDC Battery Pack with 1.2Ah CapacityRLH-4801-2BP$180.00

Replacement Battery Set

Short descriptionPart numberPrice
Replacement Battery Set For RLH-4801-2BPRLH-4801-1RB$90.00

*Lead times are estimates and may vary. You will be contacted within 1 business day to go over the details of your order. If you require a specific date, let us know!
*Days = Business Days

WarningWarning: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to