Description
The Dogtra charging rubber cap #T12 seals the charging port on the 2300NCP, 2302NCP and RR Deluxe transmitters. Sold singly.
Will the Dogtra Charging Rubber Cap #T12 fit?
It’s listed for the 2300NCP, 2302NCP and RR Deluxe transmitters.
Why the cap matters
It’s a tiny part with a big job. The charging cap seals the port so the unit stays waterproof. Without it, water gets to the charging pins, and corroded pins mean a unit that won’t charge.
Signs it needs replacing
If the cap pops out on its own, or you can see light around the edge when it’s closed, it isn’t sealing. Swap it.
Fitting a new cap
Push the new cap in until it sits flat. Run a fingernail round the edge to make sure there’s no gap. The manual on Dogtra’s website shows the cap position for your model.
Keeping the port clean
Grit in the port wears the cap and can stop the charger making contact. A quick blow and wipe before charging prevents most problems.
Which cap is mine?
A quick guide to the caps we stock. The #T14 is for the Edge and Edge RT. The #T12 fits the 2300NCP and RR Deluxe transmitters. The #T11 covers the 1900S transmitter and many older NCP models. The #T15 is for the 2700T&B remote and the #T16 for the T&B Dual remote. X-Series remotes take the #17, and 1900X and CUE receivers the #R7. Launcher units use the #R5, #T6 and #T3.
Keep a spare
Buy two. One goes on the unit, one goes in the kit bag for the day the first one disappears in the grass.
Other 2300NCP and RR Deluxe parts
The RR Deluxe remote runs on the BP72T. The 2300NCP charges with the BC10V Auto.
Ordering tips
Ordering for more than one dog or system? Put it all in one order and it arrives in one box. If you’re not completely sure which part matches which unit, list your models in the order notes or message us first and we’ll check every part against your list before anything ships. Easy.
Why genuine
No copies here. Everything is original Dogtra. That matters with small parts too, because a part that’s slightly the wrong size can affect fit, waterproofing or contact.
Dogtra Charging Rubber Cap #T12 questions
Does the Dogtra charging rubber cap #T12 fit the 2300NCP collar?
It’s listed for transmitters. Ask us for the right receiver cap.
Is it sold in pairs?
No, individually.
Do you ship outside the US?
Yes, with tracking. Details are on the shipping and returns page.
Order the Dogtra Charging Rubber Cap #T12 here. More small spares are in caps, knobs and small parts.





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