My Best Usb 12v 2018 Ultimate Buying Guide and Reviews

Universal compatibility: works with all usb-powered devices including android & apple smartphones & tablets. Optimal charging: charge two devices simultaneously at full speed with 5v 2.4a of dedicated adaptive power output per usb port. Package contents: aukey cc-s1 24w dual-port car charger, user manual.45-day money back guarantee and 24-month product replacement warranty card. Ultra compact: turn an unused 12v / 24v outlet in your car into 2 powerful usb charging ports that sit flush to the edge of the outlet. Entireprotect: built-in safeguards protect your devices against excessive current, overheating, and overcharging.

Dual usb output: two 2.4a usb ports are powerful enough to charge even the largest and most power-demanding devices. The smallest car charger: outputs a powerful 4.8a punch packed inside a tiny thumb-sized body for incredible performance from such a small size. Suitable for your 12volt/ 24v car. Sturdy and sleek body: includes a compact aircraft-grade aluminum alloy body with a scratch-resistant finish to always keep it looking new. Lifetime warranty, and friendly customer service: premium circuitry with built-in high-temperature, over-charging, and short-circuit protection guarantees a 100% safe charging experience.

Charge smart: ismart 2.0 always learns and outputs the optimal ampere current for your devices (don’t support qualcomm quick charge).

4.2a dual usb car charger – dual usb charging ports with single output of 2.1 a enables you simultaneously chargers 2 devices at high speed. Note: the car charger will consume 30ma current at most when it is idle. Drill size – diameter of hole is 1.15in. It fits most vehicles dash panel and rocker switch panel. + to positive pole, – to negative pole. 10a fuse built in 10a fuse protects your devices from over-heat, over-current, over-voltage, overload, under-voltage and short-circuit. Led digital display – built-in led digital display voltage monitor helps to monitors the health of your vehicle’s battery and electrical system in real-time.

Waterproof and heat resistant – made of super nylon materials with ip66 waterproof grade, does good job on high temperature and low temperature environments ( – 4 f to 176 f). Ideal for car, motorbike, boat and marine.

Cost-effective 2-pack provides a spare portable car charger to keep in your travel bag or a second vehicle; lightweight car charger weighs less than 1/2 of an ounce. Intelligent usb charger has an integrated over-current fuse to protect attached equipment and regulate the charging rate; fcc and c e complaint. Smartphone compatible with lightning and micro-usb cables for apple and android devices such as the iphone 8/8s/7/7s/6/6s/5s/5c/5/4s/4, samsung galaxy s7/s5/s4/s3/s2, galaxy note 4/3/2, and google nexus 5x/7/10. Compact travel charger will not block anything near the cigarette lighter socket unlike a larger cell phone charger; edge ridge design provides easy insertion and removal from vehicle lighter socket.

Low profile usb car charger provides usb charging for two devices; dual usb charging ports output a shared 2 amps for charging two devices simultaneously at 1a or one device at 2a.

Automatically adjusts the voltage received from the vehicle so your device always charges at a constant rate. Ismart technology automatically adapts suitable input current for your devices and maximizes the charging speed. Ultra slim & small: this compact aluminum alloy coated car charger (2.32 x 0.98 x 0.98 inches) packs a powerful punch with a combined 4.8a output. Extreme power requires protection: sophisticated circuit design ensures devices are safe from over-heating, over-current and over-charging; also you can get lifetime warranty (if register) and friendly customer service from us. Charge both at the same time with two 2.4a charging ports (don’t support quick charge function).

Compatible with iphone x.8 plus.8.7 plus.7.6s plus.6s.6 plus, galaxy s7, s6, edge, plus, ipad pro, ipad air, air 2, ipad mini, lg, nexus, htc, and more. Device detection allows for charging at the fastest speed possible up to 2.4 amps per port or 4.8 amps total (does not support qualcomm quick charge). 2-port 24-watt usb car charger plugs into a car s dc adapter and can charge up to 2 devices at a time great for phones, tablets, and other devices. Built-in safety system includes overload, short-circuit, and overvoltage protection (ce, fcc, and rohs certified); lightweight and compact for easy portability.

12 / 24 volt input; discrete, non-distracting led confirms connection; charging cable not included; backed by amazonbasics limited 1-year warranty.

Intelligent charging, dual 5v/2.1a charging port, built-in smart charging ic, will auto detects your devices and charges them at optimal speed, better charging performance. Wide compatibility, this usb socket fits for almost input dc 12v-24v car, boat, marine, atv, rv etc. Suitable for charging mobile phones, gps, digital cameras, pdas and other usb accessories. Overcharge protection, meets ce/rohs certification, charges safely, without risk of overheating or damaging devices. Safety driving, with built-in led digital display voltage monitor, shows the accurate voltage status of device in real-time, prevent your devices from starting hard, off and on intermittently and the headlights not enough bright cause by too low battery voltage, or prevent your devices from engine instability or horns stopping working cause.

Waterproof and heat resistant, with ip66 waterproof grade, made of high and low temperature resistant nylon flame retardant materials, high or low temperature-resistant.

: 12v~24v input.5v 1200ma output, regulator box size: about 2-1/2″x 1′ (4.5cm x 2cm). Simple solution of adding an onboard usb charging port for your apple iphone, smartphone, gps, xm sirius satellite radio and many other mobile devices. For apple lightning 8 pin.30 pin, micro, mini usb cable. Kit includes one ultra compact usb port direct hardwire kit for car or motorcycle only. Cable length: approx 5-1/2′ in total.1′ from type a female usb to regulator box.4-1/2′ from regulator box to wire end. Additional wires can be added to the kit’s end to increase the total length. Easy installation: use a fuse tap or wire tap to draw power from fuse block or wire.