Speras Battery LTH45 Low Temperature 21700

Cold-resistant 21700 Lithium-Ion Battery for Extreme Applications
The Speras LTH45 Low Temperature 21700 is a powerful lithium-ion battery specifically designed for use in extreme temperatures. With a high capacity of 4500 mAh and a maximum discharge current of 20 A, it reliably powers high-performance flashlights and other energy-intensive devices – even at icy −40 °C or high heat up to +60 °C.
Optimal Performance in Cold and Heat
Especially during winter hunting operations or demanding outdoor adventures, a stable power supply is crucial. The Speras LTH45 has been specifically designed for low temperatures and maintains a constant performance even under extreme conditions. This makes the battery ideal for thermal imaging devices, high-performance flashlights, and other outdoor equipment.
High Capacity & Strong Output
With 4500 mAh capacity, the battery offers long runtimes and reliable energy. The maximum discharge current of 20 A makes it particularly suitable for high-performance devices with high energy demands. The stable voltage of 3.6 V ensures a consistent power delivery.
Robust, durable and rechargeable
The high-quality 21700 lithium-ion battery impresses with its robust construction and long lifespan. Even with repeated charging and discharging, the performance remains consistent. As a rechargeable solution, it is also sustainable and economical in use.
Advantages at a Glance

4500 mAh for long runtimes
Max. 20 A discharge current
Extremely temperature resistant from −40 °C to +60 °C
Ideal for high-performance flashlights
Rechargeable and durable
Perfect for hunting & outdoor

Technical Data

ModelSperas LTH45 Low Temperature
Battery Type21700 Lithium-Ion
Capacity4500 mAh
Voltage3.6 V
Max. Discharge Current20 A
Operating Temperature−40 °C to +60 °C
Diameterapprox. 21 mm
Lengthapprox. 70 mm

FAQ
For which devices is the Speras LTH45 suitable?

The battery is ideal for high-performance flashlights and other devices with high energy demands, especially at low temperatures.

Is the battery rechargeable?

Yes, it is a rechargeable 21700 lithium-ion battery.

Can the battery be used in extreme cold?

Yes, the Speras LTH45 is specifically designed for temperatures down to −40 °C.