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BAT104-NiMh: PC104 NiMh Battery Backup

BAT104-NiMh: PC104 NiMh Battery Backup

Manufacturer: Tri-M Technologies



Nickel Metal Hydride battery backup for HESC104 or HESC-SER power supply

The BAT104-NiMh creates a complete NiMh UPS system by plugging directly into the bottom of the HESC (including the V5SC-SER) Vehicle Power Supplies. The BAT104-NiMh includes seven 2300ma-hr NiMh batteries for a total of 19.3 watt-hours of power. Therefore a BAT104-NiMh can supply backup power for up to sixty minutes to a 19.3 watt load.

The BAT104-NiMh includes Mosfet transistors for preventing deep discharge occurrences during extended power outages. The Mosfet transistors electrically isolate the BAT104-NiMh from the HESC whenever the BE output of the HESC is de-asserted (pulled to 5V).

The BAT104-NiMh has both a thermal fuse and a current fuse for protection against overcharging, and shorts on the battery output.

A digital I2C temperature sensor provides temperature feedback for charge termination, which can be read by the HESC.


  • Allows graceful system shutdown
  • Combine with a Power/OS power supply for full UPS functionality
  • PC/104 form factor
  • Nickel Metal Hydride batteries


  • Nickel Metal Hydride batteries
  • 7AA x 2.7A Hr. with digital temp. sensor
  • Size: 3.78" x 3.50" x 0.592"
  • Weight: 7.78oz / 220.45g

Temperature range:

  • Standard charge 0 to 40C.
  • Discharge 0 to 50C.
  • Storage < 1month -20 to 50C


File Type Description
BAT104-NiMh-Spec-Sheet.pdf Spec Sheet BAT104-7AA-NiMh Spec Sheet
Bat104-NiMh-Manual-17March06.pdf User Guide BAT104-NiMh Manual
BAT104-NiMh-mtbf.pdf MTBF MTBF - BAT104-NiMh


Part Number Description
BAT104-NIMH-LD PC/104, NiMh battery pack, 8.4V @ 2700mAh, digital temp sensor
BAT104-NIMH-N-LD PC/104, NiMh battery pack, 8.4V @ 2700mAh, digital temp sensor, No Bus
BAT104-NIMH-N-PBF PC/104, NiMh battery pack, 8.4V @ 2700mAh, digital temp sensor, No Bus
BAT104-NIMH-PBF PC/104, NiMh battery pack, 8.4V @ 2700mAh, digital temp sensor
Accessories and Options
CH Humiseal conformal coating and epoxy
CS Silicon conformal coating and epoxy
CU Urethane conformal coating and epoxy
NS Non-Stack Through Bus, modifies N
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Tri-M Technologies Inc.
208 – 31510 Gill Avenue
Mission, BC, Canada  V4S 0A1

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