52V 30Ah Lithium Polly Ebike Bicycle Battery With Samsung 21700 5Ah Cells

Product Description:
1) With USB port can charge cell phone and bluetooth speaker

2) New shark style case battery with on/off button, help you save more power

3) Convenient charge port support 4A faster charge

4) Lighted battery LED power Indicator, inform you battery power in anytime

5) Lock with keys securely locks the mount on bike frame

Smart BMS Protection & Safety

• 6-in-1 Intelligent BMS:
  ✅ Over-charge protection (prevents swelling)
  ✅ Over-discharge protection (extends lifespan)
  ✅ Over-current protection (avoids short-circuit fires)
  ✅ Over-temperature protection (auto-shuts down in extreme heat)
  ✅ Short-circuit protection (safe cutoff in emergencies)
  ✅ Cell balancing (optimizes overall performance)

Long Lifespan & High-Discharge Performance

• Built-in 21700 Grade A+ cells from Samsung ,LG or Made in China.
• 1000+ Cycles @ 80% DOD: Retains 80% capacity after 1000 cycles

Battery LED indicator and ports:

4 Levels LED Capacity Indicator

Charging port

Safe Lock+ Key

USB Port for protable device charging.

Say Goodbye to Range Anxiety

Why Choose Hailong 52V 30Ah?
✅ Versatility: From commuter bikes to industrial equipment.
✅ Cost-Efficiency: Lower lifetime cost than lead-acid + faster ROI for commercial users.
✅ Future-Proofing: Supports firmware updates for BMS optimization.

Welcome to contact us anytime : 86 139 2659 5297 or leadyo@leadyo-battery.com

Leadyo Power Technology Co., Ltd., established in 2007, is at the forefront of high-tech manufacturing, specializing in the development and production of comprehensive Lithium and LiFePO4 Battery Pack solutions, including Battery Management Systems. We proudly offer OEM/ODM services to meet the diverse needs of our clients.

Our expertise spans across a broad spectrum of the energy industry, catering to applications in Energy Storage Systems (ESS), mobile power, Recreational Vehicles (RVs), Yachts, Marine, Electric Vehicles (E-bikes, Scooters), Telecom Energy Storage, Solar Off-Grid systems, Medical Equipment, Power Tools, Lighting, and Intelligent Robotics.

With nearly 15 years of industry acumen and a track record of rapid growth, Leadyo Power has emerged as a premier developer and supplier of Lithium Battery Packs integrated with advanced Battery Management Systems. We have secured our place in the supply chains of renowned domestic and international manufacturers. Leveraging our professional R&D team, extensive production expertise, cutting-edge technology, and robust management systems, Leadyo delivers high-quality, safe, convenient, and eco-friendly battery pack to our customers.

Leadyo Power will continuously bring together great ideas and innovations, provide customers with higher quality, higher cost-effective products and services. Deliver new combinations and innovations to the energy industry.

Leadyo Power provides the most professional, effective and reliable services and products to fit every one of our customers' individual requirement!

One-stop Battery Solutions Manufacturer With 15 Years Experience .

We are online 24/7 waiting for your inquiry : leadyo@leadyo-battery.com or online service : 86 139 2659 5297