Will these work in a 6 volt, + ground, auto circuit?

According to the listed specifications, the operating voltage is 10V - 30V.

How do i slow the blink rate on a 2016 kia soul ev+?

You would have to change out your turn signal ballast to a different rate. Not sure you want to actually do this. All blinker rates are usually governed by road regulations.

This bulb (P21/1157) is what’s used for brake/tail lights on my motorcycle. Do the have built in resistors?

They are plug and play for a 12 VDC system.

Is this lamp also offered with a BA15S single pin base?

Hello buyer! This LED base is bay15d (1157), you need to buy single contact ba15s (1156), the link is: https://www.amazon.com/gp/product/B07VFRJWDP

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1157 Bay15D P21/5w LED Bulb, DC12V-24V 6W With Projector Super Bright 6000K, For Car Brake Lights, Parking Tail, Stop Light, Reverse Lights. (Pack Of 2)

Product ID: 205494248

Details

Brand
PYRJIN
Brightness
600 lumen
Colour temperature
6000 Kelvin
Light source type
LED
Specific uses for product
Projector

⚡6W ultra-efficient power

🔆6000K super bright white light

🌡️Aluminum alloy heat dissipation

¥3119

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Light up your ride with unstoppable brilliance!

BUILT TO LAST - Durable aluminum alloy housing resists heat and bumps for 30,000 hours of use
EYE FRIENDLY GLOW - No flicker, no strobe, no light pollution—protect your vision on every drive
PROJECTOR PRECISION - HD projector lens ensures crisp, focused illumination with 360° visibility
VERSATILE POWER RANGE - Operates smoothly from 12V to 24V, perfect for a wide range of vehicles
PLUG PLAY BRILLIANCE - Effortless installation with universal fit for seamless upgrade

The 1157 Bay15D P21/5w LED Bulb delivers a powerful 600 lumen output at a crisp 6000K white light, replacing traditional 35W halogen bulbs with just 6W of energy. Featuring a built-in HD projector and 24 SMD 2935 LEDs, it offers 360-degree visibility without flicker or glare. Crafted from heat-resistant aluminum alloy, these bulbs ensure long-lasting performance up to 30,000 hours. Designed for universal fit and easy plug & play installation, they are ideal for brake, tail, parking, and reverse lights across a wide voltage range of 12-24V.

Specifications

ASIN	B07VJWRKWB
Auto Part Position	Rear
Automotive Fit Type	Universal Fit
Best Sellers Rank	8,272 in Automotive ( See Top 100 in Automotive ) 32 in Automotive Back Up Lights
Brand Name	PYRJIN
Brightness	600 lumen
Color Temperature	6000 Kelvin
Colour	1157-12V-White
Country Of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (2,039)
Fit Type	Universal Fit
Light Output Maximum	600 Lumens
Light Source Type	LED
Manufacturer	PYRJIN
Manufacturer Part Number	DJ003
Model Number	bay15d
Number of Items	1
Operating Life	30000 Hours
Package Quantity	1
Specific Uses For Product	Projector Light
UPC	820913301441
Unit Count	2.0 count
Voltage	12 Volts
Wattage	6 watts

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¥3119

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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