SUPERFIRE 18650 Battery 2300 mAh 3.7V Li-ion Rechargeable with Protection (Button Top)

Where generic 18650 cells cut corners, the SUPERFIRE 18650 Battery delivers a dependable 2300 mAh capacity and a built-in protection circuit that guards against overcharge, over-discharge, and short circuits. This rechargeable lithium-ion cell is a direct fit for flashlights, portable electronics, and DIY power packs that demand a stable 3.7 V nominal output.

Highlights

• 2300 mAh capacity for extended runtime in medium-drain devices
• Button top terminal ensures compatibility with a wide range of battery holders
• Integrated protection circuit prevents common failure modes
• Up to 500 charge/discharge cycles for long-term value
• CE and RoHS certified for safety and environmental compliance

In daily use

The SUPERFIRE 18650 performs reliably across a broad temperature range, from -20 °C during discharge to 60 °C, and charges safely between 0 °C and 45 °C. Its low self-discharge rate of less than 5 % per month means it stays ready when you need it. With a maximum continuous discharge current of 5 A, it suits most consumer flashlights and portable gadgets without voltage sag.

Full specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Form factor: 18650
• Nominal voltage: 3.7 V
• Full charge voltage: 4.2 V
• Capacity: 2300 mAh
• Energy rating: 8.51 Wh
• Terminal type: Button top
• Protection circuit: Yes (overcharge, over-discharge, short-circuit)
• Max continuous discharge current: 5 A
• Cycle life: up to 500 cycles
• Chemistry: LiCoO2 (Lithium Cobalt Oxide)
• Operating temperature (discharge): -20 °C to 60 °C
• Operating temperature (charge): 0 °C to 45 °C
• Self-discharge rate: <5 % per month
• Certifications: CE, RoHS
• Intended use: Flashlights, portable electronics, DIY power packs
• Quantity per pack: 1

Final note

For users who value safety and consistency, this protected 18650 cell from SUPERFIRE offers a practical balance of capacity, cycle life, and peace of mind.