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RELX HERC 12000 vs IGET Moon K5000: Flagship vs Pocket Classic

By ONEWING GROUP LIMITED · Updated 2026 · Reading time: 7 min

The IGET Moon K5000 is one of the most likeable devices in the category: a pebble-shaped, splatter-painted pocket device with a 1750mAh charge-free cell, a 1.35Ω dual mesh coil, an LED screen and 13ml of liquid, weighing a modest 81.5 grams. It is also — like the HERC — a no-cable design, which makes this a family argument rather than a format war. This is the comparison for buyers weighing compactness against capacity, and it deserves a more careful answer than “bigger number wins”.

The charge-free family, two generations apart

The Moon’s 1750mAh cell driving 13ml of liquid and the HERC’s 2600mAh driving 18ml share the same promise: the battery outlasts the juice, no charger exists in the box, the device dies exactly once. IGET deserves real credit here — the Moon was one of the first mid-size devices to take single-charge delivery seriously, and it executes the promise cleanly at 5,000 rated puffs.

The HERC scales the same architecture to the endurance tier: 38% more liquid (18ml vs 13ml), 49% more battery (2600mAh vs 1750mAh), and a rated life of 12,000 puffs against the Moon’s 5,000. Same covenant, different congregation.

Compactness is a real feature, not a consolation prize

Here the Moon wins and it is not close. At 81.5 grams and pebble dimensions (49.5 x 25.3 x 99.4mm), it is a genuinely pocketable device — the class of hardware that disappears into jeans and reappears unmarked. The HERC, housing 5ml more liquid and 850mAh more cell, is necessarily a larger object. Physics charges a toll for capacity, and the HERC pays it in volume.

Channels know this trade intimately: customers who value discretion and portability return compact devices repeatedly even at lower total value. The Moon is not the “lesser” device for those customers — it is the correct one. Our travel device guide makes the same argument from the use-case side.

Screens: LED economy versus smart display

The Moon’s LED screen shows battery and juice status in the compact idiom of the mid-size class — small, functional, honest. The HERC’s smart side display presents the same two values in a larger, glanceable format. On equal instrumentation philosophy (both show the two things that matter), the difference is readability and placement rather than capability. Both approaches beat the category’s light-or-nothing majority; neither device leaves the customer guessing.

Coil philosophy: dual mesh at 1.35Ω

The Moon’s 1.35Ω dual mesh coil is a restrained, efficiency-first design — higher resistance, gentler power draw, liquid stretched further per puff. That is precisely how 13ml supports a credible 5,000-puff rating. The HERC’s constant-output mesh tunes for a fuller draw over a longer life; more liquid per puff, more device in the hand. Users describe the Moon’s draw as cigarette-adjacent and the HERC’s as fuller-bodied — both valid positions on the airflow spectrum our MTL versus RDL explainer maps out.

Verdict: two correct answers to different questions

Scored honestly: the Moon wins compactness, weight, pocketability and price; the HERC wins capacity (18ml vs 13ml), battery (2600mAh vs 1750mAh), endurance rating (12,000 vs 5,000), display size and build material. The comparison is genuinely two correct answers — the question is which one your shelf is asking. If your customers buy devices the way they buy lighters, stock the Moon. If they buy devices the way they buy tools — one object, weeks of service, information on board — the HERC is the flagship that earns the word.

Family Argument: Pocket vs Flagship

Frequently Asked Questions

Both are charge-free - which lasts longer?

The HERC, by scale: 18ml and 2600mAh against the Moon’s 13ml and 1750mAh, for a rated 12,000 versus 5,000 puffs. The Moon delivers its smaller promise just as completely.

Is the Moon too small to be good value?

No - compactness is its value proposition. Customers who prioritise pocketability and discretion get a fully honest device in the Moon. Value depends on what the customer is buying: portability or endurance.

Which has the better screen?

Both show battery and e-liquid status - the two readings that matter. The HERC’s smart side display is larger and easier to read at a glance; the Moon’s LED screen is compact but honest. It is a presentation difference, not a capability one.

Can a shelf carry both?

Yes, and many should: they cannibalise almost nothing from each other. The Moon serves the portability buyer, the HERC serves the endurance buyer, and both protect the shelf from the recharge-cycle failure class that hurts repeat custom.