Rad Power RadExpand 5 Charger & Compatibility Guide
Rad Power RadExpand 5 Charger & Compatibility Guide
The CyberPika 48V Smart E-Bike Charger with built-in DC5521 connector is compatible with the Rad Power RadExpand 5 Standard setup documented here.
This guide covers a 48V lithium-ion battery system using 54.6V charging and DC5521. The CyberPika 48V Smart Charger provides 54.6V output at up to 3A and connects through Built-in DC5521 plug.
View Compatible Charger →
Rad Power RadExpand 5 Charger Compatibility
| Specification | Rad Power RadExpand 5 | CyberPika |
|---|---|---|
| Variants | Standard | ✓ Covered |
| Battery system | 48V lithium-ion | 48V charger |
| Battery capacity | 14 ah / 672 wh | ✓ Compatible |
| Charging voltage | 54.6V | 54.6V |
| Charging current | 2A OEM charger | Up to 3A |
| Connector | DC5521 | Built-in DC5521 plug |
| Charge levels | Standard full charge | 20% / 50% / 80% / 100% |
| Compatibility | — | ✓ Verified Setup |
Recommended setup: CyberPika 48V Smart E-Bike Charger with built-in DC5521 connector
Compatibility verification: manufacturer specifications, physical connector verification, original charger-label evidence
Why Does This Charger Work with the Rad Power RadExpand 5?
Choosing an e-bike charger requires matching both the electrical specifications and charging connector.
The documented Rad Power RadExpand 5 setup uses a 48V lithium-ion battery system. A compatible full-charge output is 54.6V, matching the 54.6V output of the CyberPika 48V Smart Charger.
The charging setup documented here uses DC5521. CyberPika connects through Built-in DC5521 plug. Connector shape, pin arrangement, and electrical configuration should all be verified before charging.
The documented OEM charger is rated at 2A, while CyberPika can provide up to 3A. Actual charging current and charging time depend on the battery and its battery-management system. CyberPika also adds selectable 20%, 50%, 80%, and 100% charge targets.
Rad Power OEM Charger vs. CyberPika
| Feature | Rad Power OEM | CyberPika |
|---|---|---|
| Output | 54.6V / 2A | 54.6V / up to 3A |
| Connector | DC5521 | Built-in DC5521 plug |
| 80% Daily | — | ✓ |
| 100% Full | ✓ | ✓ |
| 50% Storage | — | ✓ |
| 20% Shipping | — | ✓ |
Check the Charging Port on Your RadExpand 5
Charging connectors can look similar while using different dimensions, pin arrangements, or wiring. Compare your Rad Power RadExpand 5 charging port with the documented setup below before ordering.
Rad Power RadExpand 5 charging port
Charging port documented for the compatible Rad Power RadExpand 5 setup.
Compatible DC5521 connector
Connector used with the recommended CyberPika charging setup.
Check Your Original RadExpand 5 Charger Label
Your original charger label is another useful way to verify the charging requirements of your Rad Power RadExpand 5.
Rad Power RadExpand 5 charger label
Documented original charging specification: 54.6V / 2A.
If your charger shows a substantially different output or your charging port looks different, send us photos before using a replacement charger.
Which Rad Power RadExpand 5 Models Are Covered?
This guide applies to the Rad Power Bikes RadExpand 5 and RadExpand 5 Plus configuration documented here.
Smart Charging for Everyday RadExpand 5 Use
You don't necessarily need to charge your RadExpand 5 to 100% after every ride. CyberPika gives you four selectable charging targets.
The CyberPika charger defaults to 80% Daily Mode, allowing partial charging without continuously monitoring the battery.
🛡️ Worry-Free Compatibility Guarantee
If the charger or connector doesn't work with your bike as expected, we'll help troubleshoot the setup and provide a compatible replacement or refund when appropriate.
If your charging port or original charger looks different from the examples above, send us your exact bike model, a photo of the charging port, and a photo of the original charger label. We'll help verify compatibility before you charge.
View the RadExpand 5 Compatible Charger →Rad Power RadExpand 5 Charger FAQ
What charger does the Rad Power RadExpand 5 use?
The documented setup uses a 48V lithium-ion battery system and a 54.6V full charging output with a DC5521 charging connection.
What voltage charger does the Rad Power RadExpand 5 need?
The documented 48V lithium-ion battery system uses a 54.6V charging output.
What connector does the Rad Power RadExpand 5 use?
The setup documented on this page uses DC5521. CyberPika connects using Built-in DC5521 plug.
Do I need an adapter for the Rad Power RadExpand 5?
No additional adapter is required for the documented setup because the CyberPika charger uses its built-in DC5521 connector.
Is the CyberPika charger faster than the original Rad Power charger?
The documented OEM charger is rated at 2A, while CyberPika can provide up to 3A. Actual charging current and charging time depend on the battery and BMS.
Are there different Rad Power RadExpand 5 charger versions or generations?
The RadExpand 5 Plus variant uses a 15Ah (720Wh) Safe Shield Battery, but maintains the 48V system architecture.
Can I charge my Rad Power RadExpand 5 to 80%?
Yes. The CyberPika Smart Charger includes an 80% Daily Mode and defaults to this setting. You can switch to 100% when you need maximum available range.
CyberPika 48V Smart E-Bike Charger with built-in DC5521 connector
Rad Power RadExpand 5 · Standard · 54.6V Charging