Does the Vaporesso DOJO 0+10 Really Have a 1,000 mAh Battery? We Measured 826

A 0+10-marked dry-core/refill-bottle design, a slick activation mechanism, and a battery rating that does not survive contact with a bench. We disassembled a retail Vaporesso DOJO 0+10 down to all 33 parts — here is what the spec sheet leaves out.

Quick answer: The Vaporesso DOJO 0+10 is a 2025 replaceable-oil-bottle pod kit built around the classic 0+10 idea: a dry or near-dry atomizer/core section paired with a separate 10 mL oil bottle that the user connects through a push-to-fill activation step before vaping. The mechanism is genuinely clever, but on the bench the product does not all line up with the box. Its 18300 cell carries a 1,000 mAh nominal rating, yet delivered just 826 mAh of usable capacity (discharged to 3.27 V) on the unit we tested; output settles around 9.85 W in ECO, and stable draw resistance is 322.6 Pa half-open / 220 Pa full-open. Most importantly, our panel found the actual vape underwhelming — airy draw, low atomization efficiency, faint aroma, weak sweetness. The activation-refill engineering is clever; the experience and the headline battery number are where it falls short.

This is an independent VapeRisk Labs hardware teardown of a single retail unit. Every value below is physically measured on our bench or read off the component, and is specific to the unit we tested. The exact retail model name of this 2025 Vaporesso DOJO could not be confirmed; we describe it by its on-unit “0+10” designation and do not generalise our findings to other DOJO models.

VapeRisk Labs Scorecard

Key specs (as measured / as marked)

Marketing claim vs. VapeRisk measurement

This is the table no spec sheet or affiliate review will give you — we bought the unit and put each claim on the bench.

The single most useful line for a buyer: the headline 1,000 mAh is really ~826 mAh, and the vape underdelivers — exactly the kind of gap only a teardown and a bench surface.

Methodology & disclosure

VapeRisk Labs is our independent in-house testing lab. We are independent media, buy retail units through normal channels, accept no manufacturer review samples for teardowns, and publish part-by-part findings so they can be checked. About this unit: we tested a single 2025-production Vaporesso DOJO replaceable-bottle pod kit carrying an on-device “0+10” designation; we could not confirm its exact retail model name, so all findings here describe this specific unit and are not generalised to other DOJO models. Usable battery capacity was measured by controlled discharge to a 3.27 V cutoff (the figure we report is usable capacity to that endpoint, against the cell’s printed nominal rating); output (RMS/AVG voltage, duty cycle, power) was captured on a real cell and a battery simulator across loads; draw resistance and sensitivity were measured at defined flow rates. Full method: VapeRisk Labs methodology · teardown checklist · puff-count / draw method.

For the running comparison table across teardown findings, see VapeRisk Teardown Findings: Claimed vs Measured.

Finding 1 — The push-to-fill activation is the best part

Inserting the atomizer mouthpiece pushes the internal oil-seal component upward, opening the oil path; the same motion drives a pressurizing component that force-feeds oil into the chamber for rapid wetting of the core. Pulling the mouthpiece back down slides the seal closed again, re-sealing the oil. The brand-marketed “0-second” language should be treated as shorthand for this activation process, not as permission to ignore saturation. It is a clean, reusable mechanism and the part of the doJo most worth studying — VapeRisk’s verdict is that the refill engineering is genuinely good even though the vape is not.

Finding 2 — Engineered for “two bottles,” with a real anti-leak trick

doJo markets the ability to run a second oil bottle. The teardown shows this was designed for, not just claimed: a combination wicking pack (including a racetrack ring cotton) catches oil flowing from the side wall during push-fill and “backstops” it, reducing blow-out and leakage when a second bottle pressurizes the chamber. The all-in-one wick holds ~1.7 mL and an auxiliary reservoir cotton ~1.1 mL.

Finding 3 — Where the design fails: the wick fights itself

The atomizer’s mouthpiece wick is in direct contact with the all-in-one core wick, so after push-fill, oil in the core is drawn back into the mouthpiece wick — partly defeating the wicking design. Combined with our panel’s findings (airy draw, low atomization efficiency, faint aroma, weak sweetness, mediocre sensitivity), the result is a device that fills brilliantly but vapes poorly. On the plus side, our panel saw no char or carbon build-up late in life and low airflow noise.

Finding 4 — The numbers: airflow, draw, output, and the battery shortfall

• Draw resistance: 322.6 Pa (half-open) and 220 Pa (full-open) at 22.5 mL/s — a fairly airy MTL-to-RDL feel that matches the panel’s “too airy” note. Fully closed, the device won’t fire.
• Sensitivity: continuous vapor only appears around 21.5 mL/s (half) / 29 mL/s (full); below that the output is intermittent — i.e., it needs a firmer pull than its size suggests.
• Output: constant-voltage, ~3.14 V RMS / ~9.85 W in ECO at full charge; PWR mode pushes higher.
• Battery: the 18300 cell carries a 1,000 mAh nominal rating, but on our sample the usable capacity discharged to a 3.27 V cutoff was 826 mAh — about 17% less than the headline figure. To be fair, printed mAh on small Li-ion cells is a nominal spec, not guaranteed usable capacity, and a gap like this is not unusual; we report what we measured on one unit, to a stated cutoff, rather than alleging the rating is false. The practical takeaway for buyers is simple: plan for noticeably less runtime than “1,000 mAh” implies.
• Standby: < 10 µA, fine for shelf life.

What this means

For buyers: it looks and activates like a premium 0+10 pod kit, but the experience is the weak point and the usable runtime is shorter than the headline battery number suggests. If flavor and vapor matter to you, this is a hold-or-skip; if you mainly want the slick reservoir-to-core activation and the look, go in expecting usable capacity nearer 826 mAh than the 1,000 mAh nominal.

For brand and retail teams: the push-to-fill, second-bottle anti-leak, and seal-on-removal mechanisms are worth studying and reusing. The cautionary lessons are equally clear: don’t let push-fill over-deliver oil into an under-atomizing core, don’t let the mouthpiece wick siphon the core, and remember that a nominal cell rating can overstate real usable runtime by a wide margin — set buyer expectations accordingly.

Pros & cons (engineering)

Strengths
– Inventive push-to-fill activation that reseals on removal.
– Real anti-leak wicking engineered for the “two bottle” use case.
– Adjustable airflow + ECO/PWR power; clean pink CMF with a protective metal oil-cup collar.
– No char/carbon late in life; low airflow noise; <10 µA standby.

Weaknesses
– 1,000 mAh nominal cell delivered ~826 mAh usable (to 3.27 V) on our unit — less runtime than the headline implies.
– Poor atomization: airy draw, low vapor, faint aroma, weak sweetness, mediocre sensitivity.
– Mouthpiece wick siphons the core wick, partly defeating the design.
– Long-term seepage risk when swapping bottles.

FAQ

Does the Vaporesso DOJO 0+10 really have a 1,000 mAh battery?
The 18300 cell carries a 1,000 mAh nominal rating, but on the unit we tested the usable capacity, discharged to a 3.27 V cutoff, was 826 mAh — about 17% lower. Printed mAh is a nominal cell spec rather than guaranteed usable capacity, so this is a measured single-unit result, not a claim of false labelling; either way, expect less runtime than “1,000 mAh” suggests.

How does the doJo 0+10 activation work?
Inserting the mouthpiece opens an internal oil seal and simultaneously drives a pressurizing component that force-feeds e-liquid from the 10 mL bottle into the dry or near-dry core for rapid wetting; pulling it back out re-seals the oil path.

What is the doJo’s draw resistance and coil?
Stable draw resistance is 322.6 Pa half-open and 220 Pa full-open at 22.5 mL/s, on a dual 0.9 Ω coil (single element 1.8 Ω). Output is ~9.85 W in ECO mode.

Does the doJo leak?
It adds combination anti-leak wicking to support a second oil bottle, but our teardown found the mouthpiece wick draws oil back from the core and notes long-term seepage risk when swapping bottles.

How does it actually vape?
Our panel rated it poorly for flavor and vapor — airy draw, low atomization efficiency, faint aroma, weak sweetness — though with no late-life char and low noise.

Sources & evidence

• Primary: VapeRisk Labs physical teardown and bench testing of a retail Vaporesso DOJO 0+10 (German market), 2025-09-26. 33-part BOM, controlled battery discharge, output/draw/sensitivity measurement, 3-person sensory panel, component photography.
• Manufacturer/market listing: Vaporesso DOJO 0+10 product/retail listing (dimensions, 10 mL, “0+10”, second-bottle support).
• Method: VapeRisk Labs methodology · teardown checklist.

Key parts (the citable ones) — full BOM on request

Headline numbers worth remembering: 33 parts, dual 0.9 Ω coil, 826 mAh usable (vs 1,000 mAh nominal), 322.6 Pa half-open draw, ~9.85 W ECO.