Critical Universal Battery

£249.99 ex.VAT Klarna
Finance options available (6-60 Month)
Contact us for more info:

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Get up to 10 hours of working time from one battery! Now that's wireless freedom!

The battery is lightweight and balanced adding only 2oz of weight to your machine. The ergonomic and intuitive interface is designed for easy operation while tattooing.

The RCA option powers almost all rotary machines on the market that work from 4V - 13V (for Cheyenne machines have a look at the 3.5mm jack option).

Universal Battery Features:

  • Compatible with most rotary brands RCA connection
  • Critical Core = consistent and stable voltage output
  • Dual charging dock optional extra
  • Lightweight and balanced Intuitive user interface
  • Up to 10+ hours of tattoo time (depending on voltage use and machine) Voltage Range 4V - 13V Universal Battery
  • Length: 2.47" / 6,96cm
  • Width: 1.26" / 3,2cm
  • Weight: 2oz / 57g
  • Colour: Black

This only includes one Critical Universal Battery. Charging Dock not included. Individual batteries can be charged via the supplied cable.


Dispatch of orders is only Monday-Friday (excluding public holidays)

Order cut off for same day dispatch is 2:00PM Monday-Friday (excluding public holidays)

Special delivery is only available for a Monday-Friday delivery and does not include Saturday, Sunday or public holiday deliveries.

Collection is available from our Portsmouth location Monday-Friday 09:00-17:00 only, or by special prior arrangement on Saturday.

For more information, see our Delivery Policy.


Don't want to pay in full? We've got you covered. Offering Klarna to bring you flexible payment options at checkout, simply pay in 3 equal interest-free instalments.


For any course above £1000 we now offer flexible finance options to suit you. Ranging from 6 - 60 months at 17.99% apr.

You can call us on +44 (0333) 777 7689 or WhatsApp us on 07754 759346 to talk about a payment plan that suits your needs.

Find out more here.

If you have any questions, about what we do, what's the best product to use, or which course is right for you - you can call us on +44 (0333) 777 7689 for a chat, or you can WhatsApp us on 07754 759346, or email Want us to call you?

Here's how to get to us!

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