Product Description Ultra Fire A Pair Of Eight Rechargeable Batteries in Blue is a premium 8-pack of high-capacity 18650 3.7V lithium-ion cells (real 3800mAh each) with built-in PCB protection, perfect for high-drain devices like torches, vapes, power tools, or emergency lights – rechargeable over 1000 cycles with USB charging capability and distinctive blue wrapper for easy identification and long-lasting, reliable power.

Product Attributes

Material: Lithium-ion with steel casing, blue wrapper Dimensions: Standard 18650 size (18 × 65 mm) Weight: Approx. 50 g per battery (400 g set) Features:

• 3800mAh real capacity per cell
• 3.7V nominal voltage
• Built-in PCB protection (over-charge, over-discharge, short-circuit)
• Flat-top design
• Up to 1000+ recharge cycles
• High discharge rate (max 10A)
• Includes 8 batteries in protective case
• USB rechargeable versions available

Accessories: Plastic storage case Color: Blue Capacity: 8 × 3800mAh

Best Uses

• High-power LED torches & headlamps
• Vape mods & e-cigarettes
• Power banks & solar lights
• Gifting for outdoor & tech enthusiasts