Description
The Dogtra Battery BP74T3P is a 7.4V, 1000mA lithium-polymer pack for the 3500X transmitter and the dual dial transmitter. Those remotes run two dials and a bigger screen, so they use one of the larger batteries in the Dogtra range.
Will the Dogtra Battery BP74T3P fit my unit?
It’s made for the 3500X transmitter and the dual dial transmitter used on the T&B Dual. It isn’t a receiver battery. Check the model name on the back of your remote or on the receiver label before you order. If it’s worn off, send us a photo and we’ll tell you which battery you need.
Signs it’s time for a new battery
If a full charge used to get you through a day in the field and now it’s dying by lunch, the battery is worn. Other giveaways are a unit that shuts off when you press a button, a battery light that drops from full to empty in minutes, or a charge light that never goes green. Rechargeable cells lose capacity with every cycle, so after a few seasons this is normal.
Fitting the new battery
Switch the unit off and open the battery compartment, which on most models means removing a few small screws. Unplug the old pack, holding the plug and not the wires. Fit the new one, tuck the wires so they won’t get pinched, and check the seal is seated before tightening the screws evenly. Give it a full charge before the first session. The owner’s manual for your model, on Dogtra’s website, shows where the battery sits.
Charging and care
Li-Po packs like this one don’t have a memory, so you can top them up whenever you like. What hurts them is heat and being left flat for a long time. Don’t leave the unit charging on a hot dashboard, and give it a charge every few months if it’s in storage. The BC10V Auto charger covers the 3500X and the T&B Dual.
Keeping a spare
A spare is worth thinking about if you hunt for several days at a time or run more than one dog. It costs a lot less than a lost day in the field. Label it with the date you bought it so you know which pack is older.
Why genuine matters
We only sell genuine Dogtra batteries. They’re the same size, voltage and plug as the pack that came in your unit, so there’s no guessing about fit, and the compartment closes properly over them. That matters on a waterproof unit, where a cover that doesn’t sit flat can let water in.
Dogtra Battery BP74T3P questions
Is the Dogtra Battery BP74T3P the same one used in the T&B Dual remote?
Yes, it’s listed for the dual dial transmitter, which is the remote on the T&B Dual.
How do I know it’s the remote battery and not the collar?
The remote dies early or resets when you press buttons. A worn collar battery shows up as a receiver light that goes off early.
What if I order the wrong battery?
Unused parts in their original packaging can go back within 30 days. Details are on our shipping and returns page. Better still, ask us before ordering and we’ll check the fit.
Get the Dogtra Battery BP74T3P here. If the dial knobs on your remote are cracked, the replacements are in caps, knobs and small parts.
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