Portable 12V Mini Power Control Box with Voltmeter USB-C Port QC 3.0 IP54 Protection Plastic for RV 4x4 Car Offroad Camping
USB Fast Charging: Offers fast charging for all USB devices, including smartphones and tablets, saving time.
Multi Color LED Voltage Meter: Provides real-time battery status visibility, enhancing usability in various conditions.
Robust Structure: Dust-resistant design with protective covers for sockets, suitable for harsh outdoor environments.
Automatic Reset Circuit Breaker: Protects against overloads and short circuits, safeguarding your devices from damage.




Er sheng: Your Premier Global Partner in Automotive Modification Electronics
With 22 years of expertise, Dongguan Er sheng Electronic Technology (Er sheng) is a leading manufacturer specializing in automotive modification electronics. Operating from a 10,000㎡ facility with 300+ staff, we offer full in-house production-from PCBA and tooling to injection and assembly.
Our core products, including automotive switches, chargers, and wire harnesses, are engineered for off-road and marine environments with superior waterproof, dustproof, and high-current resistance. We hold 160+ patents and are a certified National High-tech and SRDI Enterprise.
Quality is our priority. We are IATF16949 & ISO9001 certified, with products meeting UL, CE, RoHS, and GRS standards. Trusted by global hypermarkets and e-commerce leaders in North America, Europe, and Australia, we ensure 99%+ on-time delivery and 1-hour response. Partner with Er sheng to drive your business forward with reliable, high-performance solutions.














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