RELX Herc 12000 Puffs Review: Best High-Capacity Disposable 2026

RELX has raised the bar for disposable vapes with the Herc 12000. This isn't just another disposable – it's a thoughtfully engineered device that combines massive capacity with smart technology. In this RELX Herc 12000 Puffs Review, we explore every aspect of this high-capacity device: from its impressive 2600mAh battery and 18ml e-liquid capacity to its innovative Auto-Tuned Power Technology and smart side display. Whether you're an outdoor adventurer, a heavy user tired of recharging, or simply someone who wants a premium, maintenance-free vaping experience, the Herc 12000 deserves your attention.

• Brand: RELX
• Model: HERC 12000
• Puff Count: Up to 12,000 puffs
• E-Liquid Capacity: 18ml
• Battery Capacity: 2600mAh (Charge-Free)
• Power System: Auto-Tuned Power Technology
• Activation Method: Draw-activated with consecutive-draw power adjustment
• Coil Type: Mesh Coil
• Body Material: Aluminum
• Display: Smart side display for usage tracking

The Herc 12000 is designed for users seeking a large-capacity disposable vape with automated power control, a durable aluminum build, and a clear usage display – all in a simple, maintenance-free format.

The RELX Herc 12000 comes in 15 distinct flavours. Use the interactive gallery below to explore each flavour. Click on any flavour card to enlarge the image for a closer look.

Flavour Profiles

Each flavour in the Herc 12000 line is carefully crafted for a distinct experience:

• Tobacco: A classic, robust tobacco flavour with earthy notes and a smooth finish.
• Iced Cola: Crisp cola taste with a cool menthol finish. Refreshing and nostalgic.
• Blueberry: Sweet, ripe blueberry flavour with balanced sweetness and a light cooling finish.
• Lemon Lime Bitters: Zesty citrus blend with a slightly tart kick and refreshing cool exhale.
• Blackberry Ice: Deep, dark berry flavour with an icy menthol blast.
• Blackberry Pomegranate Cherry: Complex berry-cherry blend with sweet and tart notes balanced by cooling.
• Fresh Mint: Clean, crisp peppermint with intense cooling – perfect for mint lovers.
• Sea Salt Lemon: Unique savoury-sweet lemon profile with a hint of sea salt and cooling finish.
• Mango Pineapple: Tropical fusion of sweet mango and tangy pineapple with balanced cooling.
• Watermelon Crush: Juicy, sweet watermelon with a refreshing icy finish.
• Fresh Mango: Authentic ripe mango flavour with natural sweetness and light cooling.
• Passion Guava: Tropical passionfruit and guava blend with balanced sweetness and cooling.
• Strawberry Lollipop: Candy-like sweet strawberry reminiscent of classic lollipops.
• Milk Strawberry Lollipop: Creamy strawberry candy flavour with a smooth, milky finish.
• Rainbow Candy: Sweet, fruity candy medley with a playful, sugary profile.

1. No Charging, No Hassle

The 2600mAh built-in battery lasts the entire life of the device. No cables, no power banks, no waiting – just consistent performance from first puff to last.

2. Massive 18ml Capacity

Most disposables offer 10-12ml at best. The Herc 12000 gives you 18ml – nearly 50% more e-liquid for extended use.

3. Smart Side Display

Unlike traditional disposables that leave you guessing, the Herc's smart display shows you exactly how much battery and e-liquid remain.

4. Auto-Tuned Power Technology

As you take consecutive draws, the device automatically adjusts power output to maintain consistent temperature and flavour – no manual settings required.

5. Premium Aluminum Build

The solid aluminum body feels substantial in hand and can withstand the bumps and knocks of daily life, including outdoor adventures.

• Heavy vapers – If you go through multiple disposables per week, the Herc 12000's 12,000 puffs will last significantly longer
• Outdoor enthusiasts – No charging means it's perfect for camping, hiking, fishing, or any situation without power access
• Travelers – One device lasts entire trips without needing to pack chargers or spare batteries
• Anyone tired of recharging – If you're sick of hunting for USB cables, the Herc's charge-free design is liberating
• Flavour seekers – With 15 distinct flavours, there's something for every palate

For other RELX options, check out our RELX MagicGo 4000 Puffs Review and our comprehensive Best RELX Vape Australia Buying Guide.