Description

The Speras S50 21700 5000mAh Rechargeable Battery is engineered for high-performance applications such as tactical flashlights and high-drain devices. It features a powerful 5000 mAh capacity and integrated safety circuits that protect against overcharging, over-discharging, and short circuits. This battery utilizes a premium LG cell for long-lasting reliability and superior power output. Its robust structure also enhances shock resistance, making it suitable for demanding environments.

Features:

Long-lasting 5000 mAh capacity for extended runtime
Built-in protection circuits for safety and reliability
High discharge rate supports powerful devices
Premium internal LG cell ensures consistent performance
Shock-resistant structural design
Ideal for flashlights, tools, and backup power

Specifications:

Specification	Detail
Battery Type	21700 Li-ion
Capacity	5000 mAh (18.0 Wh)
Nominal Voltage	3.6 V
Continuous Discharge Current	9.8 A
Maximum Discharge Current	15 A
Recommended Charging Current	1 A
Maximum Charging Current	2 A
Cell Brand	LG
Length	Approx. 75 mm
Diameter	Approx. 21.4 mm
Net Weight	Approx. 71.1 g
Gross Weight	Approx. 78.8 g
Protection Circuit	Overcharge and over-discharge
Impact Resistance	Yes
Warranty	1 Year

Speras 21700 5000mAh Rechargeable Battery | S50

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SKU: S50

Shipped today? Order within: Sep 28, 2026 17:00:00 +0300

Shipped today? Order within: Sep 28, 2026 17:00:00 +0300

Description

The Speras S50 21700 5000mAh Rechargeable Battery is engineered for high-performance applications such as tactical flashlights and high-drain devices. It features a powerful 5000 mAh capacity and integrated safety circuits that protect against overcharging, over-discharging, and short circuits. This battery utilizes a premium LG cell for long-lasting reliability and superior power output. Its robust structure also enhances shock resistance, making it suitable for demanding environments.

Features:

Long-lasting 5000 mAh capacity for extended runtime
Built-in protection circuits for safety and reliability
High discharge rate supports powerful devices
Premium internal LG cell ensures consistent performance
Shock-resistant structural design
Ideal for flashlights, tools, and backup power

Specifications:

Specification	Detail
Battery Type	21700 Li-ion
Capacity	5000 mAh (18.0 Wh)
Nominal Voltage	3.6 V
Continuous Discharge Current	9.8 A
Maximum Discharge Current	15 A
Recommended Charging Current	1 A
Maximum Charging Current	2 A
Cell Brand	LG
Length	Approx. 75 mm
Diameter	Approx. 21.4 mm
Net Weight	Approx. 71.1 g
Gross Weight	Approx. 78.8 g
Protection Circuit	Overcharge and over-discharge
Impact Resistance	Yes
Warranty	1 Year