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Shimano EC-E6002 Portable 42V DC Charger for STEPS E-Bike Systems
The Shimano EC-E6002 is a meticulously engineered, compact 42V DC, 1.8A charger designed for optimal efficiency and reliability with 36V Shimano STEPS Li-Ion battery systems (418-630Wh). Utilizing a precise 2-stage Constant Current/Constant Voltage (CC/CV) charging algorithm, it ensures safe and extended battery life through comprehensive over-voltage, over-current, and thermal protection features. Its fan-less passive cooling design offers quiet operation and enhanced portability for the discerning e-bike enthusiast.
Quick Answer
The Shimano EC-E6002 offers precise 2-stage CC/CV charging for 36V Shimano STEPS Li-Ion batteries in a lightweight, passively cooled, and robustly protected portable design.
✓Optimized 2-Stage CC/CV Charging for 36V Shimano STEPS Li-Ion Batteries
✓Comprehensive Electrical and Thermal Protection Suite (OVP, UVP, OCP, SCP, OTP)
✓Compact 523g Fan-less Design for Portable, Quiet Operation
The Shimano EC-E6002 is the ultimate pick for STEPS E5000 to E8000 riders who prioritize portability. At just 523g, this compact brick is significantly lighter than standard units, making it perfect for your backpack or pannier. Buy this if you're a commuter or traveler needing a reliable, travel-friendly secondary charger. However, avoid it if you're in a rush; the 1.8A output is slower than the 4A quick-chargers. Note that off-bike charging requires an adapter, and you'll need a regional IEC C8 power cord.
✓ Who Should Buy
- •Owners of Shimano STEPS E5000, E6000, E7000, or E8000 series e-bikes seeking a reliable, compact, and compliant charger.
- •E-bike users prioritizing battery health and longevity through a precise CC/CV charging algorithm.
- •Commuters or tourers requiring a lightweight (523g) and portable charging solution for travel.
✕ Who Should Avoid
- •Users seeking a fast-charging solution, as this unit offers a standard 1.8A output.
- •Individuals with non-Shimano STEPS e-bike systems or batteries of different voltages/chemistries, due to proprietary connector and specific voltage output.
- •Those needing advanced smart features like Bluetooth, Wi-Fi connectivity, or detailed charging analytics.
Product Overview
The Shimano EC-E6002 is a purpose-built 42V DC, 1.8A (75.6W) E-Bike charger engineered specifically for Shimano STEPS E5000, E6000, E7000, and E8000 systems. Operating on a universal 100V-240V AC input at 50/60 Hz, it offers global compatibility, requiring an IEC C8 power cord (e.g., SM-BCC1) sold separately. Its core functionality revolves around a precise 2-stage Constant Current / Constant Voltage (CC/CV) charging algorithm, optimized for 36V Li-Ion batteries with capacities ranging from 418Wh to 630Wh. This ensures efficient power delivery while maintaining battery health and longevity. The compact brick form factor, weighing just 523g, and fan-less passive cooling make it an ideal travel charger, operating quietly within a 0°C to 40°C range. Integrated LED indicators provide clear status updates: blinking green for charging, solid green for charge complete. Robust protection mechanisms, including over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection, safeguard both the charger and the connected battery during the entire charging cycle. Estimated charge times are approximately 3.4 hours for 0-80% and up to 10.2 hours for a full charge on a 630Wh battery, demonstrating its balanced approach to efficiency and battery preservation.
| Brand | Shimano |
| Model Number | EC-E6002 |
| Type | E-Bike Charger |
| Application Sector | Electric Bike - Shimano STEPS E5000 / E6000 / E7000 / E8000 Systems |
| Country Of Origin | Japan (Designed) / China (Manufactured) |
| Launch Year | NA |
| Color | Black |
| Enclosure Type | Compact Brick (Lighter Travel Charger) |
| Standard Compliance | CE |
| Certifications | CE |
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Engineering Analysis
The Shimano EC-E6002 charger is architected as a high-frequency switching power supply, converting universal AC input (100-240V, 50/60Hz) into a stable 42V DC output at 1.8A, yielding a rated power of 75.6W. This output voltage is specifically tailored for 10-series (10S) Li-Ion battery packs, where 42V represents the peak charge voltage (4.2V/cell * 10 cells). The charging process strictly adheres to a 2-stage Constant Current (CC) / Constant Voltage (CV) protocol. Initially, the charger operates in the CC phase, delivering a constant 1.8A current until the battery voltage approaches 42V. Subsequently, it transitions to the CV phase, maintaining a constant 42V while the current gradually tapers off as the battery nears full charge. This precise algorithm is critical for preventing overcharging and maximizing the lifespan of 36V Shimano STEPS Li-Ion batteries, particularly those within the 418Wh to 630Wh range. Thermal management is entirely passive, relying on the compact plastic enclosure and internal heat sinks for dissipation. Operating within a 0°C to 40°C ambient temperature range, the fan-less design ensures silent operation and reduces potential points of failure from moving parts. Crucially, the unit incorporates a comprehensive suite of protection features: Over-Voltage Protection (OVP) and Under-Voltage Protection (UVP) on the input, Over-Current Protection (OCP) at the output, Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP) for internal components. These safeguards ensure stable operation and prevent damage to both the charger and the connected Shimano STEPS battery pack, complying with CE safety standards and featuring electrical isolation for user safety.
Technical Support & FAQs
Engineering Analysis
The Shimano EC-E6002 charger is architected as a high-frequency switching power supply, converting universal AC input (100-240V, 50/60Hz) into a stable 42V DC output at 1.8A, yielding a rated power of 75.6W. This output voltage is specifically tailored for 10-series (10S) Li-Ion battery packs, where 42V represents the peak charge voltage (4.2V/cell * 10 cells). The charging process strictly adheres to a 2-stage Constant Current (CC) / Constant Voltage (CV) protocol. Initially, the charger operates in the CC phase, delivering a constant 1.8A current until the battery voltage approaches 42V. Subsequently, it transitions to the CV phase, maintaining a constant 42V while the current gradually tapers off as the battery nears full charge. This precise algorithm is critical for preventing overcharging and maximizing the lifespan of 36V Shimano STEPS Li-Ion batteries, particularly those within the 418Wh to 630Wh range. Thermal management is entirely passive, relying on the compact plastic enclosure and internal heat sinks for dissipation. Operating within a 0°C to 40°C ambient temperature range, the fan-less design ensures silent operation and reduces potential points of failure from moving parts. Crucially, the unit incorporates a comprehensive suite of protection features: Over-Voltage Protection (OVP) and Under-Voltage Protection (UVP) on the input, Over-Current Protection (OCP) at the output, Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP) for internal components. These safeguards ensure stable operation and prevent damage to both the charger and the connected Shimano STEPS battery pack, complying with CE safety standards and featuring electrical isolation for user safety.