Description
The Dogtra Battery BP37X850 is a 3.7V, 850mA lithium-polymer pack for the 280X transmitter. The 280X charges over USB-C, which makes it easy to keep topped up, but the battery still wears with use like any other.
Will the Dogtra Battery BP37X850 fit my unit?
It’s for the 280X transmitter (the remote). The 280X collar takes the BP37X370. 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
Batteries don’t usually fail all at once. You’ll notice the unit needs charging every day instead of every few days, then it starts switching off in the cold, then the low-battery warning comes on soon after you’ve unplugged it. Once you’re seeing those signs, a new pack is the cheapest fix.
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 280X charges by USB-C, and the 5V2500 dual USB-C charger lists it as compatible.
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
Everything we sell is original Dogtra stock, brand-new. An exact match means the cover closes flat, the gasket seals, and the charger reads the battery correctly. Those are the three things that tend to go wrong with packs that only roughly fit.
Dogtra Battery BP37X850 questions
Will the Dogtra Battery BP37X850 fit the 280X Pro?
It’s listed for the 280X transmitter. If your remote says 280X Pro, send us a photo of the label and we’ll check.
Can I charge it from a car USB port?
A good-quality USB charger works, but a weak car port can charge slowly. Dogtra’s own charger is the safe choice.
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 BP37X850 here. 280X receivers and parts are under additional receivers.
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