Meet the Polly 48V 25Ah Ebike Battery Downtube, a high-performance power source designed for reliable daily rides. With a nominal 48V and a 25Ah capacity (within the 21–30Ah range), it delivers solid range for urban commutes and weekend adventures. The downtube enclosure ensures secure mounting on compatible ebikes, while the 21700 cells maximize energy density for better performance. A 40A BMS provides robust protection and consistent power delivery, helping safeguard your battery and ride. CE certified and manufactured in Mainland China, this lithium battery meets established safety standards for dependable operation.
The Polly battery is engineered for effortless integration with 48V systems and compatible downtube frames. Its compact, integrated design keeps weight balanced and fits neatly within existing bike geometry, so you can ride with confidence.
Key features
-
Voltage: 48V nominal
-
Capacity: 25Ah (within 21–30Ah range)
-
Cell type: 21700 for enhanced energy density
-
BMS: 40A protection for safe, steady power
-
Design: Downtube mounting for easy installation
-
Certification: CE certified
-
Chemistry: Lithium battery, designed for reliable performance
-
Origin: Mainland China
Designed to be a dependable, long-lasting power source for compatible ebikes, this battery combines high energy density with essential safety features. Choose the Polly downtube battery for a balanced blend of performance, safety, and value in your everyday rides.
