Emergency Light Battery - UltraXel Limited
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Cold Storage Emergency Light Battery

Wide-temperature cells and custom emergency light battery packs for emergency lights and exit signs used in cold rooms and freezer warehouses.
−40°C | Low-Temperature Backup Power | Custom Battery Packs
Custom Battery Solution

Reliable Power for Cold-Chain Operations

Cold storage emergency lights must activate immediately during power outages. UltraXel wide-temperature cells and custom battery packs provide reliable backup power in cold rooms and freezer warehouses.

Battery Challenges

Low-Temperature Capacity Loss

Standard batteries may lose capacity and fail to provide the required emergency runtime.

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Charging Below 0°C

Cold storage batteries require suitable low-temperature charging and temperature protection.

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Long-Term Standby

An emergency lighting battery must remain ready after extended charging and standby periods.

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Moisture and Condensation

Humidity and condensation require reliable insulation, connectors and pack protection.

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UltraXel Battery Solutions

Discharge Down to −40°C

Wide-temperature cells support reliable operation in cold rooms and freezer warehouses.

Approximately 70% Capacity at −40°C

Selected models retain about 70% capacity under specified test conditions.

Charging Down to −20°C

Selected cells support low-temperature charging for cold storage installations.

맞춤형 배터리 팩

Voltage, capacity, BMS, NTC, connectors, wiring and pack structure can be customized for the lighting system.

BMS
Custom Battery Solution

Recommended Battery Cells

HL18650Y High-Capacity NCM Cell for Extended Runtime
HL18650Y
High-Capacity NCM Cell for Extended Runtime
3.6V · 3200mAh · −40°C to +85°C
Best For:
Long-runtime emergency lights · High-power lighting · Backup lighting systems
Key Advantage:
Higher capacity supports extended emergency lighting runtime in a compact 18650 format.
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HL18650V Low-Temperature NCM Cell for Emergency Lighting
HL18650V
Low-Temperature NCM Cell for Emergency Lighting
3.6V · 2900mAh · −40°C to +85°C
Best For:
Freezer emergency lights · Cold room lighting · Low-temperature backup systems
Key Advantage:
Strong low-temperature capacity retention for reliable emergency lighting in freezer environments.
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HL32140L High-Capacity LiFePO₄ Cell for Cold Storage Emergency Lighting
HL32140L
High-Capacity LiFePO₄ Cell for Cold Storage Emergency Lighting
3.2V · High Capacity · −40°C to +85°C
Best For:
High-power emergency lights · Large cold rooms · Extended backup lighting
Key Advantage:
High capacity and long cycle life for extended emergency lighting in low-temperature environments.
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HL14500R Compact NCM Cell for Emergency Lights
HL14500R
Compact NCM Cell for Emergency Lights
3.6V · 750mAh · −40°C to +85°C
Best For:
Exit signs · Compact emergency lights · Space-limited lighting systems
Key Advantage:
Compact size and reliable low-temperature operation for small emergency lighting devices.
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HL18650T Wide-Temperature NCM Cell for Standby Power
HL18650T
Wide-Temperature NCM Cell for Standby Power
3.6V · 2000mAh · −40°C to +85°C
Best For:
Emergency lights · Backup lighting systems · Long-term standby applications
Key Advantage:
Reliable performance for long-term standby and compatible float-charging applications.
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HL18650G Long-Life LiFePO₄ Cell for Emergency Systems
HL18650G
Long-Life LiFePO₄ Cell for Emergency Systems
3.2V · 1600mAh · −40°C to +85°C
Best For:
Regularly tested emergency lights · Backup systems · Long-life applications
Key Advantage:
Over 1,500 cycles and strong thermal stability for emergency systems requiring regular functional testing.
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HL14500S LiFePO₄ Cell for Compact Exit Signs
HL14500S
LiFePO₄ Cell for Compact Exit Signs
3.2V · 500mAh · −40°C to +85°C
Best For:
Small exit signs · Emergency indicators · Low-power safety lighting
Key Advantage:
Long cycle life and a compact format for space-limited emergency lighting devices.
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Custom Battery Solution

Cold Storage Lighting Battery Applications

Wide-temperature emergency lighting battery solutions for emergency lights, exit signs and safety lighting equipment used in cold rooms and freezer warehouses.
LED Emergency Light Battery

LED Emergency Light Battery

Reliable rechargeable battery power for wall-mounted and ceiling-mounted emergency lights in refrigerated environments.
Cold Room Exit Sign Battery

Cold Room Exit Sign Battery

Compact exit sign battery power for illuminated exit signs and escape-route indicators.
Portable Emergency Lamp Battery

Portable Emergency Lamp Battery

Low-temperature emergency lamp battery power for inspections, maintenance and power outages.
Twin Spot Emergency Light Battery

Twin-Spot Emergency Light Battery

Custom emergency light battery packs for large cold storage warehouses and evacuation areas.

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Reliable Power at −40°C

Stable emergency discharge for cold rooms and freezer warehouses.

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Long-Term Standby Reliability

Designed for continuous charging, standby and emergency backup operation.

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저온 충전

Selected cells support charging down to −20°C for cold-storage installations.

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Custom Emergency Light Battery Packs

Custom voltage, capacity, BMS, NTC, connectors and pack structure for your lighting system.

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Customize Your Emergency Light Battery Project

UltraXel supports agriculture IoT devices with cell selection, custom battery packs and application-based design.

What We Offer

电池

Battery Cell Selection

14500, 18650, 21700 and 32140 options.

记事本

맞춤형 배터리 팩

Custom voltage, capacity, BMS and connectors.

插头

Application Matching

Solutions matched to load, temperature and space.


Contact Form

For a faster response, email [email protected] or complete the form below.
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Frequently Asked Questions

Emergency lights commonly use rechargeable sealed lead-acid, NiCd, NiMH or lithium batteries. The right choice depends on voltage, capacity, runtime and charging system. For cold rooms and freezer warehouses, UltraXel wide-temperature NCM and LiFePO₄ batteries support reliable discharge down to −40°C.
Yes. UltraXel wide-temperature lithium cells can discharge at temperatures as low as −40°C. Selected models retain approximately 70% capacity at −40°C under specified test conditions, helping emergency lights maintain usable backup runtime in freezer environments.
Selected UltraXel cells support charging down to −20°C. The battery pack can incorporate NTC temperature monitoring and charging protection according to the emergency light’s charging system and operating environment.
Yes. UltraXel develops custom and replacement battery packs for OEM and bulk projects. Cell chemistry, voltage, capacity, BMS, NTC, connector, wiring and pack dimensions can be customized for emergency lights and exit signs. We do not supply individual retail replacement batteries.

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[email protected]

+86 18122950916

+86 18122950916