Automotive Electrical Accessories for 12V & 24V Systems
Switches, Power Distribution and Circuit Protection for Vehicles, RVs and Marine Applications
Who we are
Practical Parts for Vehicle Electrical Projects
Daier is an online store for automotive electrical accessories used in 12V and 24V vehicle systems. The range supports common repair, upgrade and custom-installation projects.
Explore switches, switch panels, circuit protection, power distribution, charging accessories, connectors and other components for cars, trucks, off-road vehicles, RVs and boats.
Since 2003
Manufacturing Experience
12V / 24V
Low-Voltage Solutions
6 Categories
Core Product Range
Global Store
Worldwide Online Supply
MANUFACTURER BACKGROUND
Built on Daier Electron Manufacturing Experience
Daier is the direct-to-consumer store of Daier Electron, an electrical component manufacturer established in Yueqing, China in 2003.
Years of experience in switches, circuit protection, power distribution and connection components inform the practical product range available through this store. The focus here is on automotive electrical accessories for 12V and 24V repair, upgrade and custom-installation projects.
For OEM supply, wholesale purchasing and customized electrical component solutions, visit Daier Electron.
SHOP BY CATEGORY
Explore the Product Range
Products are organized around the parts needed to build, repair or upgrade a vehicle electrical system: switch and control components, power distribution and protection, charging and power ports, wiring and connectors, Starlink accessories, and specialty parts.
Each category is designed to make product selection more direct, with specifications and compatibility details shown on individual product pages.






PRODUCT INFORMATION
Specifications That Support Better Choices
Product pages provide available specifications, dimensions, wiring details and compatibility notes. Certification status and compliance information vary by item; check the relevant product page or contact support when documentation is required.
APPLICATIONS
For Road, Trail, Water and Travel
Components for the electrical jobs that keep vehicles, RVs, boats and outdoor projects powered, protected and under control.
CARS & TRUCKS
Power, control and protection parts for repairs, upgrades and custom vehicle electrical projects.
OFF-ROAD & UTV
Switches, panels, power ports and wiring accessories for demanding vehicle environments.
RVS & TRAILERS
12V and 24V components for mobile electrical upgrades, charging and power distribution.
BOATS & MARINE
Battery switches, circuit protection and panel components for onboard electrical systems.
ONLINE STORE
Support for Product Selection and Orders
This online store is operated by Eunik Technology Limited. Product questions, order updates and wholesale enquiries can be submitted through the support and contact channels.
Find the Parts for the Next Project
Shop automotive electrical accessories by category, application or component type.