Description

The Speras S34 is a premium 18650 lithium-ion battery designed for long runtime and stable performance. Rated at 3400 mAh, it’s ideal for high-drain devices like flashlights, electronics, and portable gear. The cell includes integrated overcharge and over-discharge protection to safeguard against misuse.

With low self-discharge and reliable output, the S34 offers dependable energy storage even during standby periods. It’s a solid choice for users seeking a balance between capacity, safety, and durability.

Key Features:

3400 mAh rated capacity
Nominal voltage ~ 3.7 V
Overcharge & over-discharge protection built in
Low self-discharge for better shelf life
Stable performance under varying loads
Compatible with flashlights and high-drain electronics

Specifications:

Specification	Detail
Brand	Speras
Model	S34
Capacity	3400 mAh
Voltage	3.7 V
Protection	Overcharge / Over-discharge
Charging Current	1 A recommended, up to 2 A max
Length	~ 69 mm
Diameter	~ 18.6 mm
Weight	~ 50 g
Watt-hours	~ 12.58 Wh

Speras 3400 mAh 18650 Rechargeable Li-ion Battery | S34

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SKU: S34

Description

The Speras S34 is a premium 18650 lithium-ion battery designed for long runtime and stable performance. Rated at 3400 mAh, it’s ideal for high-drain devices like flashlights, electronics, and portable gear. The cell includes integrated overcharge and over-discharge protection to safeguard against misuse.

With low self-discharge and reliable output, the S34 offers dependable energy storage even during standby periods. It’s a solid choice for users seeking a balance between capacity, safety, and durability.

Key Features:

3400 mAh rated capacity
Nominal voltage ~ 3.7 V
Overcharge & over-discharge protection built in
Low self-discharge for better shelf life
Stable performance under varying loads
Compatible with flashlights and high-drain electronics

Specifications:

Specification	Detail
Brand	Speras
Model	S34
Capacity	3400 mAh
Voltage	3.7 V
Protection	Overcharge / Over-discharge
Charging Current	1 A recommended, up to 2 A max
Length	~ 69 mm
Diameter	~ 18.6 mm
Weight	~ 50 g
Watt-hours	~ 12.58 Wh