Honestly? No. Not a single one you can buy right now that works without some kind of power source. GPS receivers need electricity — it's just how they work. They've gotta power those chips, grab satellite signals, and send your location somewhere. But here's the thing: tech's been creeping forward. There are now some clever workarounds using energy harvesting and passive transmission. This piece digs into where we're at with battery-free GPS, what's close, and what might actually show up down the road. Most trackers you'll find run on one of three things: a rechargeable lithium-ion battery, disposable alkaline or lithium cells, or they're wired straight into your car's electrical system. The GPS chip itself? It pulls somewhere between 20 and 100 milliwatts when it's hunting for satellites. That's not nothing. And that's why going completely battery-free is such a pain. Even the most efficient ones need some way to store power for when they're really working hard to lock onto signals. Some devices are getting smarter about power. They'll use solar cells or even movement to keep things running. Take the Invoxia Solar GPS Tracker — it's got a little solar panel that keeps its internal battery charged. In the right conditions, you might go months without plugging it in. Livestock trackers sometimes use motion to generate tiny bits of electricity too. But here's the catch: they all still have a battery tucked inside for backup when it's cloudy or the thing's just sitting still. Short-range stuff like passive RFID and Bluetooth Low Energy can actually work without a battery. They harvest energy from whatever reader is pinging them. Problem is, you've gotta be close — like a few meters to maybe 100 meters. And they don't give you actual GPS coordinates. Instead, they just tell a fixed reader "I'm here," and that reader figures out the position. Great for tracking stuff in a warehouse. Useless if you want to know where your dog is roaming outside. There are some experimental systems using something called backscatter communication. Basically, the tracker bounces off ambient cellular or Wi-Fi signals to send data. Researchers at the University of Washington showed off devices that could transmit location using reflected signals from TV towers or cell towers. We're talking microwatts of power here. Sounds amazing, right? But it's not something you can buy. And the range and accuracy are still pretty limited. As of 2025, you won't find a major company selling a completely battery-free GPS tracker for regular people. The closest you'll get are solar-assisted ones like the LandAirSea 54 or Tracki Solar. They still have a small rechargeable battery inside. For businesses, there are some energy-harvesting GPS tags used on shipping containers — these combine solar cells with supercapacitors. But they're pricey and hard to get your hands on. A few research paths look promising. Maybe we'll see real battery-free GPS trackers in the next 5 to 10 years: Companies like Everactive and Wiliot are already making battery-free sensors for industrial IoT. But they use BLE or LoRaWAN, not GPS. Making the jump to GPS will need some real breakthroughs in low-power signal processing. Yeah, hardwired GPS trackers connect to a vehicle's electrical system. No battery needed in the tracker itself. You see these a lot in fleet management and anti-theft systems. But let's be real — they're still drawing power from the car's battery. Most solar-assisted trackers have a small internal battery that'll last 2 to 7 days without sunlight. Depends on the model and how you've got it set up. The Invoxia Solar Tracker claims up to 4 months with daily sun, but only 2 weeks in total darkness. Not something you can buy. But researchers have built prototypes using thermoelectric generators that turn body heat into electricity. They're still in the lab though. And they only produce microwatts — not nearly enough for continuous GPS use. The smallest ones are passive RFID tags. Some are as tiny as a grain of rice. But they only work within a few meters of a reader and don't give you GPS coordinates. For actual GPS, the smallest devices are about the size of a coin and still need a battery. If you just want something that doesn't need constant battery babysitting, try these:Is there a GPS tracker that doesn't need a battery
How do GPS trackers typically get power?
What technologies come closest to battery-free GPS tracking?
Energy harvesting trackers
Passive RFID and BLE tags
Cellular-based passive trackers
What are the main challenges in creating a battery-free GPS tracker?
Challenge
Description
Current solutions
Power consumption
GPS chips need 20-100 mW for satellite acquisition
Energy harvesting, sleep modes, assisted GPS
Signal processing
Must decode weak satellite signals from 20,000 km away
Dedicated low-power chips, cloud-based processing
Data transmission
Need to send location to a server
Backscatter, LoRaWAN, cellular IoT
Energy storage
Peak power demands exceed harvesting capacity
Supercapacitors, small rechargeable cells
Are there any real-world battery-free GPS trackers available?
What does the future hold for battery-free GPS tracking?
Frequently Asked Questions
Can a GPS tracker work without a battery if it is plugged in?
How long do solar GPS trackers last without sunlight?
Is there a GPS tracker that uses body heat?
What is the smallest battery-free tracking device?
Practical alternatives to battery-free GPS tracking
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