Shimano Charge Port Bte803 Ewcp-100 Sat 550Mm
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Shimano EW-CP100 Satellite Charging Port (BT-E803 / 550mm Cable)
What Is It?
The Shimano EW-CP100 (550mm) is a satellite charging port for Shimano STEPS e-bike systems. It is a small external/remote charging socket that connects to a frame-integrated Shimano battery system, allowing you to charge the battery without directly accessing or removing it.
The “BT-E803 / 550mm” reference indicates compatibility with Shimano STEPS E8000 / E803 series battery setups, using a 550mm cable length version for frames where the charging port is mounted farther from the battery cradle.
Key Features
- Provides a convenient external charging point for integrated e-bike batteries
- Semi-integrated frame design (clean, hidden mounting on the frame)
- Compatible with Shimano STEPS charging ecosystem
- Available in different cable lengths (200mm / 550mm) for frame routing flexibility
- Enables charging without removing the battery
- Designed for OEM-style internal battery systems
- Clean, weather-resistant integration into e-bike frames
Specifications
- Model: EW-CP100
- System: Shimano STEPS e-bike system
- Type: Satellite frame charging port
- Cable Length: 550mm (this version)
-
Compatible Battery Mounts:
- BM-EN800-A
- BM-EN801-A
- BM-E8030-A
- BM-E8031-A
-
Compatible Chargers:
- EC-E6002
- EC-E8004
- Battery Compatibility (typical): Shimano BT-E8035 / BT-E8036 series (system dependent)
- Position: Integrated / frame-mounted
- Function: External charging interface for internal battery systems
Who Is It Suitable For?
- Riders with Shimano STEPS e-bikes using integrated batteries
- E-bike owners who want easy external charging access
- Commuter e-bike users who charge frequently
- OEM/stock Shimano e-bike frame systems
Who Should Use It?
- Anyone whose bike originally came with a Shimano internal battery + external charge port setup
- Riders replacing a damaged or missing charging port
- E-bike technicians servicing Shimano STEPS systems
- Users needing a longer 550mm routing option for frame compatibility
Riding Characteristics (Indirect Impact)
This part does not affect riding performance directly, but it impacts usability:
- Makes charging faster and more convenient
- Reduces wear on battery removal mechanisms
- Helps maintain a sealed, weather-resistant frame system
- No effect on power delivery, motor output, or ride feel
- Improves daily usability for commuting and frequent charging
