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Critical Prime Pen 3.5 – Full Set

Critical

Product code: 4723854

3.470,00 Lei

Available for pre-order

Ships when back in stock

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Specifications

Brand: Critical
Stroke: 3.5 mm
Voltage: 4-13 V
Battery life: 7 hours
Dimensions: 32x140 mm
Weight: 180 g
Quantity: 2 batteries
Format: USB C

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Guide & full description

Complete guide: Critical Prime Pen 3.5 – Full Set

A wireless pen-style tattoo machine, developed in collaboration between Critical Tattoo and Prime Tattoo Supply, equipped with a Japanese Bishop motor and a 3.5 mm stroke. The soft, controlled hit makes it especially recommended for black and grey, shading, and fine lines, but the voltage range of 4–13 V covers practically all techniques. Being a 'Full Set', you receive in the package the machine, two 2000 mAh batteries, a two-port charging station, and four Prime cartridges — you can start working immediately, you only need the rest of the session consumables.

How to use

Charge both batteries in the two-port charging station using the included USB-C cable before the first session.
Attach the battery to the machine body via the magnetic connection; the body can rotate 360°, so orient the display as comfortable in your hand.
Mount a cartridge (in the set you receive Prime 5RL, 7RL, 9M, and 9CM) and adjust the needle protrusion from the stepless system according to the technique.
Wrap the machine and grip in protective wrap; in the set you also have a 34 mm disposable grip that you can use instead of direct handling.
Turn on the machine with one press (the Jumpstart function eliminates the need for a foot pedal) and set the voltage from the large buttons, usable even through the wrap — the display shows voltage and battery status.
Start with a low voltage in the 4–13 V range and gradually adjust until you achieve the desired behavior for lining or shading.
When the battery runs low, quickly swap it with the second battery from the set — the magnetic connection makes replacement almost instantaneous, without interrupting the session for long.
At the end, turn off the machine, discard everything disposable (cartridge, wraps, disposable grip), and sanitize the machine body according to the procedure below.

Tips from us

Take advantage of the two batteries in the set: always keep the second one charged in the station, so you are not dependent on the autonomy of a single one on days with multiple appointments.
The 360° rotation of the body is useful during work: reposition the display when changing the attack angle, so you can always see the voltage without twisting your wrist.
If you predominantly work with bold lines and color packing, compare with the Prime Pen 4.2 version (4.2 mm stroke, stronger hit) — the 3.5 model is designed for a soft hit, black and grey, and delicate linework.
The PRIME battery is interchangeable with Critical V3 and Bishop Power Wand batteries, so if you already have equipment from these ecosystems, you can use them as spares.
The RCA connector in the package allows you to power the machine from a classic cable source — a good plan B if you run out of charged batteries.
The weight of 180 g and 32 mm diameter provide a balance that reduces hand fatigue, but regular breaks during long sessions are still worthwhile.

Warning: The tattoo machine cannot be sterilized in an autoclave, so always work with protective barriers: wrap on the machine body and on the grip for each client, plus the disposable grip where applicable. After the session, wipe the machine body with a surface disinfectant compatible with electronic equipment — do not submerge it in liquids and keep the battery magnetic contacts away from moisture. Cartridges are strictly single-use and are disposed of in the sharps waste container. The equipment is intended for professional use, under hygiene conditions appropriate for a studio.

Frequently asked questions

What exactly do I get in this Full Set?▾

The package includes: Critical x Prime Pen 3.5 machine, 2 batteries of 2000 mAh, a 2-port charging station, USB-C cable, Prime tool, a 34 mm disposable grip, an RCA connector, 4 Prime cartridges (5RL, 7RL, 9M, and 9CM), and the user manual with a QR code linking to a video. You basically have everything machine-related to start immediately; you only need the usual session consumables and your preferred cartridges.

How long does the battery last and what do I do if it runs out mid-session?▾

The PRIME 2000 mAh battery provides up to 7 hours of autonomy from a full charge — actual autonomy depends on working voltage and needle configuration. Since the set comes with two batteries and the connection is magnetic, swapping takes a few seconds: remove the discharged battery, put on the spare one, and continue. As a last resort, you can use the included RCA connector for cable power.

Is it suitable for beginners or only for experienced artists?▾

It is a professional machine, but the Full Set format makes it accessible even for beginners: you get batteries, charger, starter cartridges, and a manual with a tutorial video. Operation is simple — on/off with one press via the Jumpstart function, no foot pedal needed, and the display shows only what you need: voltage and battery status. The soft, controlled hit of the 3.5 mm stroke forgives pressure mistakes more easily than a hard-hit machine, which helps with learning shading.

Which cartridges and batteries is it compatible with?▾

The Prime Pen 3.5 is compatible with most membrane cartridge brands, so you are not tied to a single needle manufacturer. Regarding batteries, besides its own PRIME battery, it also accepts Critical V3 and Bishop Power Wand batteries — if you already have equipment from these ecosystems, you can use them directly without additional investment.

How do I sanitize and maintain the machine to ensure it lasts?▾

Use protective barriers (wrap) on the body and grip for each client — the large buttons are designed to be pressed through the wrap. After the session, disinfect surfaces with a solution suitable for electronic equipment, without submerging the machine in liquid. Cartridges and the disposable grip are discarded after each client. Charge the batteries with the station and cable from the package, and keep the magnetic contacts clean and dry. The product comes with a 1-year warranty provided by Critical Tattoo.

What is the difference between Prime Pen 3.5 and Prime Pen 4.2 — which one should I choose?▾

The difference is the stroke and motor behavior: 3.5 has a 3.5 mm stroke with a softer hit, ideal for black and grey, shading, and fine lines; 4.2 has a 4.2 mm stroke with a stronger hit, oriented towards bold lines and color packing. Dimensions, weight, and battery compatibility are identical. If your style is predominantly black and grey and realism, 3.5 is the natural choice; for old school with thick lines and compact color, 4.2 is a better fit.

Product description

Explore the power of the wireless tattoo machine Critical x Prime Pen equipped with a Japanese Bishop motor. With a 3.5 mm stroke, it excels in every technique, from lining to shading. A wireless tattoo machine you can always rely on – that's the Critical x Prime Pen. Large, intuitive buttons allow you to adjust voltage easily, even when the machine is wrapped in protective film. The display shows only the operating voltage and battery status – everything you need for work.  The adjustable, stepless needle protrusion allows for precise machine settings tailored to your technique and work preferences. The magnetic battery connection enables easy battery replacement and allows the machine body to rotate 360 degrees, adjusting the display position for maximum work comfort. The Critical x PRIME Pen is equipped with a precise Japanese Bishop motor, enabling operation within the 4-13 V voltage range.  PACKAGE INCLUDES : 1 x Machine  2 x Battery  1 x Charging station (with 2 ports) 1 x USB C cable  1 x Prime tool 1 x Disposable 34mm grip 1 x RCA connector 4 x Cartridge Prime 5RL / 7RL / 9M / 9 CM User manual with QR code for the video  TECHNICAL SPECIFICATIONS:  Stroke: 3.5 mm  Voltage range: 4-13 V  Battery: 2000mAh The Critical Prime Pen 3.5 Full Set is a next-generation wireless tattoo machine developed through the collaboration between Prime Tattoo Supply and Critical Tattoo, specifically designed for black and grey artists and those who prefer a fast machine with a soft, controlled hit. The complete set includes the Prime Pen with 3.5mm stroke, a 2000mAh PRIME battery with up to 7 hours of autonomy, charger, and all necessary accessories to start working immediately. The precision Japanese motor delivers consistent, reliable performance with a voltage range of 4.5V to 13V covering all techniques from fine lines to delicate shading. The compact dimensions of 32mm diameter and 140mm length, combined with a weight of only 180 grams, create an exceptional ergonomic balance that reduces hand fatigue. The Jumpstart system allows instant on/off of the machine with a simple press, eliminating the need for a foot pedal. The PRIME battery connects magnetically and is interchangeable with Critical V3 and Bishop Power Wand batteries, offering maximum versatility. Compatible with most membrane cartridge brands, the Prime Pen 3.5 offers the freedom to choose preferred consumables. The 1-year warranty is provided by Critical Tattoo, one of the most respected names in the tattoo equipment industry. The Prime Pen 3.5 was designed by artists for artists, with every design detail reflecting the real needs of professional tattoo sessions. The extensive compatibility with the Critical and Bishop battery ecosystem ensures this machine integrates perfectly into any existing studio equipment configuration. Frequently Asked Questions What is included in the Critical Prime Pen 3.5 full set? The Critical Prime Pen 3.5 full set includes the Prime Pen machine with 3.5mm stroke, the 2000mAh PRIME battery with up to 7 hours of autonomy, charger, and all necessary accessories for immediate use. All you additionally need are your preferred needle cartridges to start tattooing. What is the battery life of the Critical Prime Pen 3.5? The 2000mAh PRIME battery provides up to 7 hours of runtime from a full charge, sufficient for multiple tattoo sessions in a day. Actual runtime varies depending on working voltage and needle configuration used. The battery connects magnetically and can be quickly swapped with a spare battery for uninterrupted continuity. What is the difference between the Prime Pen 3.5 and Prime Pen 4.2? The Prime Pen 3.5 has a 3.5mm stroke with a softer hit, ideal for black and grey, shading, and fine lines. The Prime Pen 4.2 has a 4.2mm stroke with a more powerful hit, oriented toward bold lines and color packing. Both variants share the same dimensions, weight, and battery compatibility, with the difference being strictly in stroke and motor behavior. Is the Critical Prime Pen 3.5 compatible with Bishop batteries? Yes, the Critical Prime Pen 3.5 is compatible with Critical V3 and Bishop Power Wand batteries, in addition to its own PRIME battery. This cross-compatibility offers maximum flexibility to artists who already own equipment from the Bishop or Critical ecosystem, allowing them to use existing batteries without additional investment. What motor does the Critical Prime Pen 3.5 use? The Critical Prime Pen 3.5 is equipped with a precision Japanese motor delivering consistent, reliable performance across the entire voltage range of 4.5V to 13V. The Japanese motor is recognized for its extended lifespan, low noise level, and minimal vibrations, ensuring superior control for shading and delicate linework techniques. What does the Jumpstart function on the Prime Pen mean? The Jumpstart function allows instant on/off of the machine with a simple press, without requiring a foot pedal. This gives the artist complete freedom of movement and simplifies workflow. Jumpstart activates the motor instantly at the preset voltage, eliminating the startup delay specific to other wireless machines. How much does the Critical Prime Pen 3.5 weigh? The Critical Prime Pen 3.5 weighs 180 grams with compact dimensions of 32mm diameter and 140mm length. This low weight combined with the machine's exceptional ergonomic balance minimizes hand fatigue, allowing extended tattoo sessions without loss of precision and control. What cartridges is the Prime Pen 3.5 compatible with? The Critical Prime Pen 3.5 is compatible with most membrane cartridge brands available on the market, including Kwadron, Cheyenne, Bishop, Peak, and many others. This universal compatibility gives the artist the freedom to choose preferred consumables without being limited to a single cartridge manufacturer. What is the voltage range of the Critical Prime Pen 3.5? The Critical Prime Pen 3.5 operates across a voltage range of 4.5V to 13V, covering all tattooing techniques from delicate fine lines to intense shading and color packing. This extended range allows precise power adjustment based on needle configuration, skin type, and the artist's working style. What warranty does Critical offer for the Prime Pen 3.5? The Critical Prime Pen 3.5 comes with a 1-year warranty provided by Critical Tattoo, covering manufacturing defects and functional components. Critical Tattoo is one of the most respected brands in the tattoo equipment industry, with a reputation built on quality and exceptional technical support.

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