Aspire K3 Vape Battery (1200mAh Tube)

The Aspire K3 Vape Battery (1200mAh Tube) is a genuine 1200mAh tube-style replacement battery unit featuring 510 threading and carbon fiber styling for the K3 kit.

Engineered by Aspire, an internationally recognized pioneer in high-reliability vaping hardware, this component delivers exceptional performance, durable manufacturing standards, and authentic flavor fidelity. Whether you are maintaining a dependable daily mouth to lung setup or operating an advanced sub-ohm cloud system, Aspire hardware provides industry-leading coil longevity, resilient materials, and user-friendly operation.

Advanced Engineering & Performance Features

Keep your favorite mouth to lung setup fully operational with this authentic Aspire K3 replacement power tube. Offering a substantial 1200mAh internal cell, it delivers regulated 3.7V output to your coil, maintaining consistent vapor density across hours of active use.

Step-by-Step Setup & Maintenance Guide

Attach your 510 tank to the top connector. Activate the device by pressing the fire switch 5 times rapidly. When power runs low, simply connect any micro-USB charging cable into the base of the battery.

Key Specifications

• Manufacturer: Aspire
• Capacity: 1200mAh Rechargeable Cell
• Output: Constant 3.7V Regulated Output
• Thread: Standard 510 Connection
• Diameter: 18mm
• Charging: Micro-USB Charging Port
• Protections: Low Voltage, Short Circuit, 10s Over-Fire Cut-Off

Compatibility & E-Liquid Pairing Recommendations

To achieve peak performance and prolong coil longevity, pairing this Aspire hardware with the correct e-liquid formulation is essential. For higher-resistance mouth to lung configurations (0.8 Ohm to 1.8 Ohm), we strongly recommend balanced 50% VG / 50% PG nicotine salts or 50/50 freebase e-liquids. These thinner blends flow efficiently through micro-wicking channels, preventing dry hits while delivering smooth throat sensation. Conversely, lower-resistance sub-ohm setups operate optimally with thicker 70% VG / 30% PG high-VG shortfills to produce dense vapor clouds without leaking.

Why Choose This Product

• All-Day 1200mAh Life: Enjoy full-day vaping confidence with generous battery reserve.
• Flush 18mm Diameter: Provides a perfect flush fit with 18mm mouth to lung tanks like the K3 and Nautilus Nano.
• Textured Carbon Fiber Wrap: Sleek modern styling with a tactile non-slip grip.
• 5-Click Lock Function: Prevents unwanted firing when placed in bags, pockets, or car consoles.

Frequently Asked Questions

Q: How do I turn the battery on or off?
A: Press the fire button 5 times quickly within two seconds.

Q: Can I use this with sub-ohm tanks?
A: No, the K3 battery is optimized for mouth to lung coils with resistances of 1.2 Ohm to 2.0 Ohm.

Q: What does the LED light indicate?
A: A blue light indicates sufficient battery voltage; an orange light indicates the battery is depleting and requires recharging.

Free UK Delivery on all orders over £30. Standard delivery takes 2-3 working days.

We offer a hassle-free 14-day return policy for unopened and unused items.

Always store batteries in a safe case. Never leave them charging unattended.

You must be 18 years or older to purchase from this site.