Description

The Speras LTH35 is a high-performance 18650 lithium-ion rechargeable battery designed to deliver consistent power even in extremely cold conditions.
With a capacity of 3500mAh, this battery provides excellent runtime and stable discharge under freezing temperatures — maintaining reliable operation down to –40°C.

Featuring a continuous discharge current of 5A and a peak output up to 10A, the LTH35 is perfect for use in flashlights, outdoor tools, and high-drain electronic devices. Its rugged design ensures dependable performance and long service life, making it a great choice for users who demand endurance and cold-resistance.

Key Features:

  • 3500mAh high-capacity lithium-ion battery

  • Works efficiently in temperatures as low as –40°C

  • Continuous discharge: 5A / Peak discharge: 10A

  • Stable output voltage (3.6V nominal)

  • Ideal for outdoor, tactical, and cold-environment flashlights

  • Rechargeable, long-lasting power cell

Specifications:

Specification Details
Capacity 3500mAh
Nominal Voltage 3.6V
Continuous Discharge 5A
Peak Discharge 10A
Operating Temperature –40°C to +60°C
Dimensions 69.4mm × 18.4mm
Weight 50g
Battery Type 18650 lithium-ion
Rechargeable Yes

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Product form

Speras 18650 3500mAh Low Temperature Lithium Battery | LTH35

Speras

    SKU: LTH35

      Description

      The Speras LTH35 is a high-performance 18650 lithium-ion rechargeable battery designed to deliver consistent power even in extremely cold conditions.
      With a capacity of 3500mAh, this battery provides excellent runtime and stable discharge under freezing temperatures — maintaining reliable operation down to –40°C.

      Featuring a continuous discharge current of 5A and a peak output up to 10A, the LTH35 is perfect for use in flashlights, outdoor tools, and high-drain electronic devices. Its rugged design ensures dependable performance and long service life, making it a great choice for users who demand endurance and cold-resistance.

      Key Features:

      • 3500mAh high-capacity lithium-ion battery

      • Works efficiently in temperatures as low as –40°C

      • Continuous discharge: 5A / Peak discharge: 10A

      • Stable output voltage (3.6V nominal)

      • Ideal for outdoor, tactical, and cold-environment flashlights

      • Rechargeable, long-lasting power cell

      Specifications:

      Specification Details
      Capacity 3500mAh
      Nominal Voltage 3.6V
      Continuous Discharge 5A
      Peak Discharge 10A
      Operating Temperature –40°C to +60°C
      Dimensions 69.4mm × 18.4mm
      Weight 50g
      Battery Type 18650 lithium-ion
      Rechargeable Yes

      Read more

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