If you want a secure, hands-free navigation system that charges your phone instantly without cables or fiddling, choose LISEN 15W; if you need a tidy power hub with retractable cords to charge multiple devices at once while adding ambient lighting, choose BERTHALESS Retractable Car Charger. This decision isn't about which gadget is more expensive or what others are saying online; it comes down to whether your primary goal in the car is safe driving and quick charging for a single device, or organized power distribution for an entire passenger group. For pet owners specifically, who often juggle phones, tablets, and extra chargers while managing animals in the back seat, this choice defines how much clutter stays on your dashboard versus how securely your GPS stays in your line of sight.
• BERTHALESS Retractable Car Charger: It shines by offering four simultaneous charging ports with retractable cables that vanish when not in use to keep the cabin neat, yet it lacks any mounting mechanism, meaning you must find your own way to secure the unit itself.
• The LISEN pick is for drivers who prioritize safety, one-handed operation, and keeping their device visible and charged without tangled wires.
• The BERTHALESS pick is for families or road-trippers who need to power several gadgets simultaneously and prefer a clean, cable-free aesthetic over a dedicated phone mount.
The LISEN 15W is engineered for the driver who treats their smartphone as an essential cockpit instrument rather than just an accessory. Its core value proposition lies in the "One-Step Mount & Charge" design. Unlike traditional clamp-style holders that demand two hands to squeeze a lever and thread a cable through every time you enter the vehicle, this unit relies on magnetic alignment. You simply bring your phone near the mount, and the intelligent cooling system engages the ~70% charge rate within an hour. This is critical for anyone who drives frequently and needs their battery topped up during short commutes or long hauls without stopping to plug in.
The mounting technology here is where the real engineering advantage shows. This isn't just marketing fluff; it means the device stays firmly attached to your windshield or dashboard even when you hit potholes, take sharp corners, or slam on the brakes. The base can withstand temperatures ranging from -40°C to 220°C, ensuring it won't detach during a scorching summer noon or a freezing winter morning. For the pet owner, this stability is non-negotiable. A vibrating phone holder is a distraction; a falling phone is a hazard. With 24 N52 magnets providing 2800 gauss of holding force, your device remains locked in place regardless of how energetic your dog gets in the back seat.
However, this product is not for everyone. It is strictly designed for users with MagSafe-compatible devices, specifically the iPhone 12 series and newer, including the 13, 14, 15, 16, and 17 models. If you have a Samsung Galaxy, Pixel, or an older iPhone without magnetic rings, this charger will not function wirelessly unless you add a separate magnetic ring case. You cannot stick this on a curved pillar or a textured dashboard panel; it demands a smooth expanse of glass or plastic. The tri-axis metal arm allows for 360-degree rotation and folding, saving space when not in use, but it still occupies a specific footprint on your dash. If you drive a vehicle with a highly contoured dashboard or limited clear glass space, you might struggle to find a suitable mounting location.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-11-06 · 7 min read · Independent comparison
The BERTHALESS Retractable Car Charger serves a completely different demographic: the mobile power station operator. Its design philosophy centers on versatility and organization rather than screen visibility. The standout feature is the 4-in-1 connectivity, supporting four ports used simultaneously. In a family car, this eliminates the "charging arms race" where passengers fight over the single available USB port. Whether you have a tablet for a child in the back, a smartwatch for yourself, a secondary phone for navigation, and a dashcam all drawing power, this adapter handles them all from a single cigarette lighter socket.
The retractable cable system is the defining convenience factor. This solves the perennial problem of loose cables dangling across the center console, getting stepped on, or tangling around gear shifts. When you aren't using them, they disappear, leaving a sleek profile. Additionally, the unit features an 180-degree adjustable direction, allowing you to swivel the head left or right to direct the ports toward whichever seat needs power most easily. This flexibility is invaluable for rear-seat passengers who might otherwise have to stretch awkwardly to reach a fixed port.
For the pet owner, this unit offers a different kind of relief. While the LISEN keeps the driver focused, the BERTHALESS keeps the cabin organized. Pets can chew on loose cords, creating dangerous electrical shorts or distracting the driver. By retracting these cables, you minimize the risk of entanglement. The device also includes a "Purple Starry Sky Light," which adds a romantic atmosphere to the car roof. While this is subjective, it does provide a low-level ambient light that can be helpful for locating items in the dark without blinding the driver. However, this unit does nothing to hold your phone. You still need a separate stand or mount to view your GPS. If your priority is keeping the car tidy and powering multiple devices, this is the logical choice, but you must accept that your phone will still require a separate physical mount to be useful for navigation.
• Best for Safety and Focus → LISEN 15W: The secure magnetic hold and hands-free operation ensure your eyes stay on the road, whereas a separate charger leaves you juggling cables.
• Best for Multi-Device Households → BERTHALESS: Four simultaneous ports mean no fighting for power, a scenario the single-port LISEN cannot address.
• Best for Cable Management → BERTHALESS: The automatic retraction feature keeps the center console free of tangles, a significant advantage for active households.
• Best for Extreme Weather Stability → LISEN 15W: The nano-gel suction and wide temperature tolerance (-40°C to 220°C) guarantee it won't fall off in heat or cold.
• Best for One-Handed Convenience → LISEN 15W: The snap-and-charge mechanism takes seconds, unlike plugging in and adjusting a separate cable.
• Best for Ambient Atmosphere → BERTHALESS: The starry sky light adds a unique visual element that the utilitarian black LISEN does not offer.
• Best for iPhone Ecosystem Users → LISEN 15W: Specifically optimized for MagSafe iPhones to deliver fast wireless charging without a physical connector.
• Best for Mixed Device Compatibility → BERTHALESS: Works with USB-A and USB-C devices broadly, including tablets, notebooks, and various phone brands.
After weighing the functional differences between these two distinct categories of accessories, I would personally buy the LISEN 15W. As someone who drives daily and values the integrity of my navigation setup above all else, the security of the 118-lb suction mount and the ability to charge via a simple snap are unbeatable advantages. The BERTHALESS charger is undeniably clever with its retractable cables, but it fails to solve the primary problem of the driver: keeping the phone visible and powered without distraction. For pet owners, the LISEN is the safer bet because it eliminates the temptation to fiddle with cables while managing animals, ensuring the GPS remains stable and visible regardless of how chaotic the back seat becomes. If you need a power hub, get the BERTHALESS; if you need a reliable cockpit companion, the LISEN is the superior tool.
No, the LISEN 15W relies on MagSafe technology for its wireless charging and magnetic hold. It is compatible with iPhone 12 and newer models (including 13, 14, 15, 16, and 17 series). Non-MagSafe devices like Samsung or older iPhones will not charge wirelessly unless you attach a magnetic ring accessory separately.
This keeps the cables stored inside the adapter, preventing them from dangling or tangling in the car interior when not in use.
Yes, the LISEN 15W is built with nano-gel technology and a suction cup designed to resist extreme temperatures ranging from -40°C to 220°C, ensuring it stays firmly attached to your windshield or dashboard regardless of the weather outside.
The BERTHALESS charger features a "Purple Starry Sky Light" intended to create a romantic atmosphere. While it provides ambient lighting, users should consider whether this level of brightness fits their personal preference for nighttime driving conditions.
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