The YOSE POWER Hailong battery represents a significant step forward in e-bike energy solutions, offering versatility and reliability for riders seeking to optimise their electric-assist cycling experience. Designed to accommodate a range of motor outputs from 350W to 900W, this lithium-ion power source combines practical engineering with safety-focused features, making it a compelling option for commuters and leisure cyclists alike.
Key Technical Specifications
Central to its appeal is the battery’s dual voltage capability (36V/48V), allowing compatibility with diverse e-bike systems. The 15.6Ah to 17.4Ah capacity variants cater to different range requirements, with the higher-capacity model reportedly delivering up to 30 miles of throttle-only operation on mixed terrain according to user experiences. Weighing 3.8kg, the Hailong strikes a balance between energy density and portability, employing top-grade lithium-ion cells managed by an intelligent Battery Management System (BMS). This safeguards against overcharging, excessive discharge, and short circuits while maintaining stable performance across temperatures. Physical dimensions (367x111x90mm) follow the Hailong case standard, ensuring compatibility with most down tube mounting systems.
Performance and Real-World Application
Multiple users highlight the battery’s consistent power delivery, particularly noting its ability to maintain voltage under load. One rider described achieving 22 miles of canal path riding using combined pedal-assist and throttle, with remaining capacity suggesting potential for extended journeys. The inclusion of a USB-C port adds practical utility for charging cycling computers or lights mid-ride, though some note the 1A output proves marginal for simultaneous use of power-hungry accessories.
Charging times emerge as a consideration point, with the included 3A charger requiring 8-10 hours for full replenishment. While this aligns with standard lithium-ion charging protocols to maximise cell longevity, performance-oriented users might consider pairing the unit with an optional rapid charger. The BMS’s conservative voltage cutoff at ≈25% residual capacity, noted by several reviewers, effectively preserves battery health at the expense of accessing total stored energy – a trade-off that aligns with industry best practices for cycle life preservation.
Compatibility and Integration
Mounting reliability receives mixed feedback, underscoring the importance of verifying frame compatibility before purchase. The Hailong’s sliding rail system and mechanical lock mechanism generally provide secure attachment, but some riders encountered alignment issues with proprietary mounting points. A recurring theme in user comments advises cross-referencing frame measurements with the specified 367mm length, particularly for older bicycle models. Those reporting installation challenges often resolved them through the manufacturer’s UK-based support team, who provide guidance on alternative mounting solutions.
Safety and Durability Features
Beyond the fundamental BMS protections, YOSE POWER incorporates flame-retardant materials in the casing and employs cell-spacing techniques to mitigate thermal runaway risks. These safety redundancies have been specifically praised by long-term users, with one noting consistent performance across multiple ownership years. The IP65 rating against dust and water ingress further enhances suitability for year-round commuting, though direct pressure washing remains inadvisable.
User Experiences and Practical Considerations
Range anxiety appears notably reduced among users of the 17.4Ah variant, with multiple reports of 40+ mile ranges achievable through disciplined pedal-assist usage. Throttle-dependent riders should anticipate more conservative distances, particularly in hilly regions where one user recorded 17 miles with 31% residual capacity. The battery’s weight distribution receives favourable mention for maintaining low centre-of-gravity handling characteristics, crucial for technical trail riding or loaded touring setups.
A minority of users reported premature capacity loss, though subsequent support interactions typically resulted in warranty replacements. The manufacturer’s 18-month battery warranty and 30-day return policy provide substantial consumer protection, with several reviews commending the responsiveness of UK-based technical staff in resolving performance queries.
Comparative Advantages
When evaluated against competing offerings, the YOSE POWER Hailong distinguishes itself through its balanced approach to energy density and safety. The decision to prioritise cell quality over maximum capacity aligns with best practices in battery design, particularly for riders prioritising long-term reliability over marginal range gains. The dual voltage flexibility further future-proofs the investment, allowing adaptation to different motor configurations as cycling needs evolve.
Environmental and Maintenance Factors
The battery’s 1,000+ cycle lifespan (subject to proper maintenance) positions it as a sustainable choice within the e-mobility sector. Users are advised to store the unit at 40-60% charge during prolonged inactivity and avoid complete discharges. Periodic terminal cleaning with isopropyl alcohol ensures optimal contact with the mounting plate, a simple maintenance step noted by experienced owners as crucial for consistent performance.
Conclusion
For cyclists seeking a robust, adaptable energy solution that balances performance with safety, the YOSE POWER Hailong battery presents a compelling proposition. Its combination of intelligent power management, dual-voltage capability, and rigorous safety certifications addresses core concerns of the discerning e-bike enthusiast. While not without minor compromises in peak charging speed, the overall package delivers reliable performance across diverse riding conditions, supported by strong aftercare provisions.
ASIN: B0BRP7SJRK
OneSportLife C29 Electric Bike, 29'' E-Mountain Bike with 48V 15Ah Removable Battery & 250W Powerful Motor, Professional 21-Speed with LCD Display, Electric Commuter Bicycle for Adults Men and Women
8% Off
JANSNO Electric Bikes for Adults with 65Nm Motor, 48V/14Ah New upgraded battery and Dual Shock Absorber, 20" x 4.0 All-terrain wide tire Electric Bicycle, Multiple performance modes can be unlocked
£799.00 (as of June 26, 2025 02:26 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Eleglide Electric Bike, M1 Plus 27.5‘’/29'' E Mountain Bike, Electric Bicycle for Adults, Commute E-bike with 12.5Ah Removable Battery, LCD Display, Dual Disk Brake, Specialist 21 Speed (Inches, 27.5)
14% Off
URLIFE 14" Electric Bike, Portable E-bike with 48V 7.5AH Removable Battery 250W Powerful Motor, 60 KM Max Range, Folding Ebike LCD Display, Electric Commuter Bicycle for Adults and Teens(Black)
£389.99 (as of June 26, 2025 06:35 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Finbike EB3 Electric Bike for Adults, 100KM Max Range, 3-4H Fast Charging, 26inch Electric Mountain Bike with Removable Battery, Front Fork Suspension, 7-Speed Derailleur, 150KG Capacity Ebike
11% Off
DYU A5 Electric Bike, 14" Portable Electric Bike, 48V 7.5AH Removable Battery,60KM Max Range, Folding Ebike with LCD Display, Remote Control,Shock Absorption System,Dual Disc Brakes,for Adults/Teens
17% Off
URLIFE 20"*3" Electric Bikes for Adults, Fat Tire Mountain Bike E20 with Colorful LCD Display, 48V 13AH Removable Battery, 7-Speed Derailleur 80-100KM Max Range Ebike Commute MTB BLACK
£549.99 (as of June 14, 2025 05:39 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
GSOU 26" Electric Bikes for Adults. 2603 E-Bike with 250W High-Speed Mid-Drive Brushless Motor. Electric Bicycle Built-in 36V-8AH Removable Li-Ion Battery, 7-Speed, LCD Display, Dual Disc Brake
£449.99 (as of June 26, 2025 02:26 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Ebikes for Adults,13Ah Battery 40-70Km Range,Hidoes B10 Fat Tire Electric Bike for Adults Up to 25Km/h, 60N·M Motor Electric Bicycle Retro E Bike,with Leather Bags,20" Offroad Tire
£799.00 (as of June 26, 2025 02:26 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Leave a Reply