ZSD-SS Seatpost Mount Ebike Lithium Battery Pack 36V 10Ah for Electric Bicycle

Maximum Number of Batteries: 18650 (20 pcs)/21700 (20 pcs)

Maximum Capacity: 36V 10Ah

Dimensions: 630 × 63.6 × 131.5 mm

Product Description

ZSD-SS is a slim cylindrical seatpost style lithium battery specially developed for light city electric bicycles, it is a perfect solution for lead-acid battery upgrade. The long tube shape can be installed around the seat tube under the saddle, saving space and keeping the bike original appearance.

✅ Key Highlights

1. Unique Cylindrical Seatpost Design Slim long tube structure, installed under the bicycle saddle, does not occupy extra frame space, keeps your ebike beautiful and integrated.
2. Two cell options available Support 18650 or 21700 cells, total 20pcs inside, stable performance, high energy density.
3. Built-in smart BMS protection Real-time monitoring each cell, multiple safety protection, prevent overcharge, over-discharge, short circuit and overheating, extend battery service life.
4. Lightweight & easy to remove Much lighter than traditional lead acid battery. Quick detach design, you can take it indoors for charging conveniently.
5. Ideal for lead-acid replacement Designed for old light ebike renovation, directly replace heavy lead-acid packs, upgrade your old bike.
6. Compact size Dimension 630 × 63.6 × 131.5 mm, fit most light city commuter ebikes.

   FAQ

   Q1: What bikes fit this ZSD-SS seatpost battery? A: It fits light city ebikes. Please check your bike seat tube space, dimension 630 × 63.6 × 131.5 mm, controller voltage must match 36V.

   Q2: Can I choose 18650 or 21700 cells? A: Yes, both options available, max 20 cells inside, capacity 36V10Ah.

   Q3: Is BMS built inside? A: Yes, built-in BMS multi-protection board for safe use.

   Q4: Can replace old lead acid battery? A: Yes, it is designed for lead-acid to lithium upgrade, lighter weight and longer cycle life.

   Q5: What certifications can you provide? A: CE, UN38.3, MSDS documents ready for shipment.

   Q6: What is MOQ? A: 1 set sample is acceptable, bulk order will get better price.