Description
Dison MH29942 KRH15/51 1.2V 1000mAh Ni-Cd Replacement Battery
The Dison MH29942 KRH15/51 battery is a replacement-style 1.2V 1000mAh Ni-Cd battery for compatible emergency lighting and exit sign units that use this specific single-cell battery format. It is best suited for buyers replacing an original battery labeled KRH15/51, MH29942, or a closely matched equivalent used in certain exit sign and emergency backup lighting applications.
This type of battery is commonly associated with single-cell AA nickel-cadmium backup power used in compact life-safety fixtures. In many cases, the most reliable way to confirm compatibility is not the part number alone, but matching the voltage, chemistry, connector type, wire polarity, and physical size of the original battery already installed in the unit.
For buyers replacing batteries in emergency lights or exit signs, this Dison MH29942 KRH15/51 battery is intended for compatible fixtures using a rechargeable 1.2V Ni-Cd backup battery. Because manufacturers and resellers do not always describe this battery family the same way, it is important to compare the original battery label before ordering.
If your old battery is tied to an ELB CS01-style application or certain compatible EX LED / EXR LED EL M6 configurations, this replacement may be a suitable match when the connector and physical layout also line up. Always verify fit before installation.
- 1.2V rechargeable Ni-Cd replacement battery
- 1000mAh rated product version
- Single-cell AA format
- Designed for compatible exit sign and emergency light backup systems
- Often associated with ELB CS01-style applications
- Useful for replacing original KRH15/51 or MH29942-labeled batteries when specifications match
- Best ordered by matching voltage, connector, polarity, and physical fit
Common Applications
- Compatible exit sign battery backup units
- Compatible emergency light fixtures using a single-cell 1.2V Ni-Cd battery
- Some ELB CS01 / EX LED family applications
- Some compatible Lithonia EXR LED EL M6 battery replacements
Known or Commonly Referenced Cross References
- Dison MH29942
- KRH15/51
- ELB CS01 / ELBCS01
- BST DAA900BT
- D-AA900BT
- EX LED family applications
- Some EXR LED EL M6 replacement applications
Important Compatibility Note: The MH29942 number is used inconsistently across online sellers. Before ordering, match the original battery’s voltage, chemistry, connector style, polarity, and physical dimensions to your existing battery.
What is the Dison MH29942 KRH15/51 battery?
It is a 1.2V Ni-Cd replacement battery used in certain compatible exit sign and emergency light backup applications.
Is this a single-cell battery or a battery pack?
This version is written for the single-cell 1.2V KRH15/51 style battery. Always compare your original battery label before ordering, because MH29942 is used inconsistently online.
What can this battery replace?
Common references may include KRH15/51, ELB CS01 / ELBCS01, and some compatible EX LED or EXR LED EL M6 applications. Match your existing battery carefully before purchase.
Why do some listings show 900mAh and others 1000mAh?
This battery family is described differently by different sellers. If your original battery label shows 1000mAh, use that as your guide. The most important factors are still voltage, chemistry, connector, and fit.
How do I confirm compatibility?
Check the old battery label for voltage, chemistry, and part number. Then compare the connector, wire polarity, dimensions, and battery shape to the original.
Can I use this in any 1.2V emergency light?
No. Even when voltage matches, connector style, polarity, capacity range, and physical fit must also match your fixture.
How to Verify Compatibility Before Ordering
- Read the label on your existing battery and confirm it is a 1.2V Ni-Cd unit.
- Look for markings such as KRH15/51, ELB CS01, ELBCS01, or the exact battery format already installed.
- Compare the connector shape and wire polarity carefully.
- Measure the battery space inside the fixture before ordering.
- Do not rely on MH29942 alone, because that number is used inconsistently across the market.
Buying Tips
- Match specifications first, not just the printed part number.
- Confirm whether your fixture uses a single-cell 1.2V battery or a multi-cell pack.
- If your original battery label shows 900mAh or 1000mAh, use the original fixture data as your guide.
Replacement Tips
- Disconnect power before servicing the fixture.
- Take a photo of the old battery and connector before removal.
- Install the new battery with the same wire routing and polarity as the original.
- Allow the fixture to recharge fully according to the manufacturer’s instructions before testing.
Maintenance Notes
Exit sign and emergency light batteries are part of a life-safety system. For best results, use the correct chemistry, voltage, and connector style, and follow the fixture manufacturer’s battery replacement and testing procedures.
1.2 Volt AA 1000 Mah Corun Replacement
1.2 Volt Nicad Replacement Battery for the following Exit and Emergency light applications:
- Corun 1.2V Nicad
- BCN1000WP-CE623
- Dison Ni-Cd MH29942 KRK15/51-1000mah 1.2V
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