Can I use the Garmin TT15 Mini with a Dogtra handheld?

No. The TT15 Mini pairs with Garmin Alpha 10, 100, 200, 200 Plus, 200i, 300 and 300i handhelds. The Dogtra BP37W battery fits Dogtra Arc 800-series receivers only.

Which battery lasts longer on a charge?

The Garmin collar's 1,200 mAh battery, roughly four times the capacity of the 280 mAh Dogtra cell. Expect several times the runtime per charge, though real hours depend on tracking mode and terrain.

Is the refurbished TT15 Mini worth it without a warranty?

Only if the price is well below a new collar and you accept the risk. Garmin has discontinued service on the TT15 Mini, so a failure means no repair path. The Dogtra battery is a low-cost part, so warranty matters less.

Does the TT15 Mini come with a charger?

No. The box has the refurbished collar and a Garmin strap. You buy the charging clip and wall charger separately.

Will the Dogtra BP37W fit my Arc 800 Free Plus receiver?

Yes. Dogtra lists it for the Arc 800, Arc 800 Free Plus receiver and Arc 802. It is a 3.7 V, 280 mAh lithium polymer pack.

Which one should I buy?

Match it to your handheld. Garmin Alpha owners buy the TT15 Mini collar. Dogtra Arc owners buy the BP37W battery. Neither works in the other brand's system.

Battery Upgrade for Garmin T5 and TT15 Mini Tracking Dog Collars vs Dogtra BP37W replacement battery for Arc StarWalk

These are not substitutes. Product A is a refurbished Garmin TT15 Mini tracking collar with a 1,200 mAh battery, for Alpha handhelds. Product B is a 280 mAh Dogtra receiver battery for Arc 800-series units. Buy A if you run a Garmin Alpha and need a collar; buy B if your Dogtra Arc receiver battery has died. Product B's lowest price was $11.95 on November 1, 2026, against a high of $19.99 on November 2, 2026.

Ask our shopping agent