E-Bike DC2.1 DC2.5 Charging Plug for 36V 48V Li-Ion Battery
E-Bike DC2.1 DC2.5 Charging Plug for 36V 48V Li-Ion Battery
DC2.1 / DC2.5 E-Bike Charging Plug — 36V & 48V Compatible
Keep your electric bike battery topped up and road-ready with this versatile DC2.1 / DC2.5 round-head charging plug combo. Designed for 36V and 48V lithium-ion e-bike batteries, this quick-attach male and female connector set offers a secure, snug fit that makes swapping or replacing a worn charging port fast and hassle-free.
Key Features
- Universal DC Sizing: Supports both DC2.1mm and DC2.5mm barrel connectors — covers the most common e-bike charger output connector sizes.
- Wide Voltage Compatibility: Rated for 36V and 48V lithium-ion battery packs, the two most popular voltages in the e-bike market.
- Quick-Attach Design: Round-head plug with smooth, reliable male/female mating for a fast, positive connection every charge cycle.
- Durable Construction: Built from a sturdy plastic and metal combination that withstands repeated plugging and unplugging without losing contact integrity.
- Compact & Lightweight: Easy to carry as a spare or to keep in your toolkit for on-the-road fixes.
- Straightforward Replacement: Ideal for DIY e-bike builders, repair enthusiasts, and anyone looking to restore a damaged charging port.
Specifications
| Material | Plastic + Metal |
| Connector Type | DC Round Head (DC2.1 / DC2.5) |
| Compatible Voltage | 36V / 48V |
| Battery Type | Lithium-Ion (Li-Ion) |
| Configuration | Male + Female Combo |
| Package Contents | 1 × Charging Plug |
| Country of Origin | Made in China |
What's in the Box?
- 1 × DC2.1 / DC2.5 E-Bike Charging Plug (male and female base combo)
Important Notes
- Product images are for illustration purposes. Please refer to specifications above for exact sizing details.
- Minor measurement differences may occur due to manual measurement methods.
- Actual color may vary slightly from screen to screen due to monitor calibration differences.
For general e-bike safety and electric bicycle guidelines, visit the U.S. Consumer Product Safety Commission – Bicycle Safety Guide.
Frequently Asked Questions
Q: Is this DC2.1 / DC2.5 charging plug compatible with both 36V and 48V e-bike batteries?
A: Yes. This charging plug combo is specifically designed to work with both 36V and 48V lithium-ion e-bike battery systems, making it a versatile replacement or spare for the most common e-bike voltages on the market.
Q: What is the difference between DC2.1 and DC2.5 connectors, and how do I know which one I need?
A: DC2.1 and DC2.5 refer to the inner pin diameter of the barrel connector (2.1mm vs. 2.5mm). Check your existing charger plug or battery port specifications to determine which size fits your setup. This combo pack includes both sizes for maximum compatibility.
Q: Can I use this plug for a DIY e-bike battery build or repair?
A: Absolutely. This quick-attach male and female connector combo is popular among DIY e-bike builders and repair enthusiasts who need a reliable, easy-to-install DC charging connection for their 36V or 48V lithium-ion battery packs.
Q: How durable is this charging plug?
A: The plug is constructed from a combination of plastic and metal, providing solid durability for everyday charging use. The round-head design ensures a secure fit and maintains good contact integrity over repeated connections.