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36V 13Ah 17.5Ah downtube electric bike lithium battery pack
1. Self-built million-level laboratory, strictly implement domestic and international lithium battery standards;
2. Manufacturing execution system( MES), the product is traceable globally;
3. First-class automated production and testing equipment;
4. Set up service center in Europe, fast after-sales service;
5. Our own R&D department can provide one-stop battery solutions for you.
6. Passed UL2271, UL2054, UL2595, ISO13849, IEC62133, CE, ROHS, and other certifications




Founded in 2009, Shenzhen World Electronic Co., Ltd (WorldPower) is a National High-Tech enterprise, specializing in R&D, manufacturing, sales of Lithium-ion batteries, with over 10 years of experience.
Our main products are mainly applied in electric bikes, electric scooters, power tools, medical devices, etc.
Our R&D department can provide one-stop lithium battery solutions, OEM and ODM are available.
We have a service center in Europe and attend exhibitions in Europe and the USA every year. Up to know, we have been one of the most popular lithium battery suppliers in Europe.

WorldPower Work Shop


Battery Test and Equipment






Mob/WhatsApp: +86-135-3776-6085
Tel: +86-755-2919-6252
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