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

Speras 18650 3500mAh Low Temperature Lithium Battery | LTH35

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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