It is one of the most common questions we get, and a fair one. You are wiring an always-on device into your car, so does it drain the battery? The honest answer: a properly installed, quality tracker is designed to sip power and should not flatten a healthy battery. But the details matter, so here is the straight version.
How a hardwired tracker uses power
A hardwired tracker draws power from the vehicle so it never needs charging. To do that without causing problems, it is engineered for very low power use, especially when the car is parked. When the vehicle sits, the unit drops into a low-draw state and simply keeps watch, ready to report the moment anything happens.
We are not going to throw made-up numbers at you. What matters is the principle: a well-designed unit takes only a tiny fraction of what your battery holds, far less than the things that genuinely flatten cars, like interior lights left on or a dying battery that was already on its way out.
Why a proper install is the difference
A tracker draining your battery is almost always a sign of a bad install, not a bad device. Wired in correctly by a professional, the unit connects cleanly, manages its draw, and stays within safe limits. This is a big reason we insist on professional fitting rather than plug-in gadgets. See how car trackers are installed for what a proper job looks like.
Our Standard, Secure, and Elite units are all hardwired and built to run quietly in the background without you ever thinking about power.
When you actually might see battery trouble
Being honest, there are situations where any small drain can matter, and they usually have nothing to do with the tracker being faulty:
- A car that sits unused for weeks or months at a time. Every parasitic draw adds up when nothing is recharging the battery.
- A battery that is already old, weak, or on its last legs. A tired battery can struggle with any load.
- Short trips only, where the alternator never fully tops the battery back up.
If your car sits for long stretches, that is exactly the case a self-powered unit is built for. Our Scorpion Go has its own power source and does not tie into the vehicle’s wiring at all, so it is a natural fit for classics, seasonal vehicles, and anything parked up for weeks. It needs charging attention from time to time, which is the fair trade for not touching your electrics.
The bottom line
A quality hardwired tracker, installed properly, is designed for low draw and should not kill a healthy battery on a car you drive regularly. If a battery is dying with a tracker fitted, look first at the battery’s age and the install, not the concept. And if the vehicle sits for long periods, a self-powered option sidesteps the question entirely.
Either way, the real value is what the tracker is watching for. Our Secure Operating Center monitors 24/7 and contacts you the moment your vehicle moves, so you never have to spot a theft first. Prevention beats recovery, and a tracker that runs quietly in the background is prevention doing its job. Compare the range here to find the right fit for how you actually use your car.