ReviewsReverse Polarity Protection

RioRand™ Upgraded 6V-90V 15A DC Motor Pump Speed Controller

Fully automatic on-board charger that reliably maintains charge of 12-volt battery.
Keeps battery properly charged for sure starting and reliable power to lights and accessories.
LED indicator reports the charging status.

Connection Methoed: the red cable connect battery positive, the blue cable connect equipment positve..
The motorcycle button fit for 7/8" 22mm handlebar of all motorcycles motorbike and scooter.
The light switch adopts aluminum-alloy material which is durable and waterproof.
The package includes 2 pack motorcycle handlebar mount on off switch which is enough for your need.
This handlebar fog switch offers you Output circuit protection, overload protection, reverse polarity protection, multiple protection, safety to use.

This is Three-Wire Voltmeter. Three-Wire connection enable the Voltage Test Rang from 0.00 to 30V. (Two-wire meters cannot measure the voltage that is below 3V).
Measurement Accuracy: 0.01(0.01 - 9.99V) / 0.1(10.0 - 30.0V).
And the meter is CALIBRATABLE: The screw on the back is used to Calibrate the meter..
BRIGHT & NICE Reading: Display: Three 0.36" digital LED Tube.
Reverse Polarity Protection: The meter won't burn out if reverse polarity is applied, but the screen will display nothing.
NOTE: When measured voltage is larger than 30V, the voltmeter will be damaged..

Charge 1 or 2 batteries at the same time.
Compatible Batteries 10440 14500 16340 18650 21700 26650 Ni-MH / NiCd: AA, AAA and C.
Multiple levels of protection Short-Circuit Protection Over-Current protection, Over-Voltage protection, Reverse Polarity protection,.
Bundle includes EdisonBright BBX5 battery carry case.

350 lumen max output using a Luminus SST20 LED with a lifespan of 50,000 hours.
One-handed operation with all-in-one reverse tail switch.
Made from A6061-T6 aluminum with a premium type HAIII hard-anodized anti-abrasive finish.
Reverse polarity protection protects the light from improper battery insertion.
Bundle includes 2 x EdisonBright AA alkaline battries.

X6F 6CH receiver only compatible with DUMBORC X4/X5/X6 transmitter, suitable for rc vehicle and rc boat..
Easy to bind, press the binding button for one second until the green indicator light is always on. You just need to bind with the controller for the first time..
Circuit safety protection: With reverse polarity protection circuit, the receiver will not be damaged even if the polarity is inserted. 4.8-10v DC support high voltage servo..
Stable long-distance control：With the FHSS spread spectrum, reduce the interference of the other radio system, provide 400 control distance and 12ms fast response speed.
Small size: 35*20*13mm, fits most model size.

...r, external speaker, 5V 12V 24V LED strips Lights and more. (Check dc jack before buy: 5.5x2.5mm, compatible 5.5x2.1mm).
【Worry-Free Shopping】Package includes 1 x 4~24V 120W universal ac/dc adapter, 14 x DC tips, 1 x reverse polarity converter. Built-in multiple safety protection systems and safe to use. All products tested and shipped. If you have any questions about the product, please feel free to contact us before returning. We support 30 days money back guarantee, 24 months free exchange..

POWER SPECS: AC 100-240V, 50/60 Hz, 67W. OUTPUT: 24V, 2.0A.
DISPLAY: Indicates charging status with dual LED display - Power : Red.
Charge : Red - Charging | Power : Flash Red.
PROTECTION: Equipped with thermal overload protection, multiple reverse polarity protection, and short circuit protection | 1 YEAR WARRANTY.
CHARGING METHOD: Provides three-stage charge cycle through XLR connector male 3-pin charger plug.
COMPATIBILITY: ActiveCare | Bladez XTR | Currie | Drive Medical | Golden Technologies | GT | IZIP | Jazzy | LASHOUT | Mongoose | Pacesaver | Pride....

...A) that is easily changed using the Multi-function Button.
Charge up to 6 batteries using the 0.68A charging mode.Only Slot 3 and Slot 4 can charge at 2.0A.
The single slot maximum charging current is 2A, the maximum total charging current is 4A.
Features over-current, over-voltage, short-circuit, and reverse polarity protectionDescriptionWith 6 charging slots, compatible with and identifies Li-ion (10440, 14500, 14650, 16340, 16650, 17650, 17670, 17350, 18350, 18490, 18500, 18650, 26500, 26650). Each slot has an independent monitoring and charging current function.High quality LCD display Screen to display battery charging status. With two optional charging modes (0.68A or 2A) that is easily changed using the Multi-function Button .Charge up to 6 batteries using the 0.68A charging mode.Only Slot 3 and Slot 4 can charge at 2.0A .The single slot maximum charging current is 2A, the maximum total charging current is 4A. Features over-current, over-voltage, short-circuit, and reverse polarity protection..