48V 36V Silverfish Li-Ion E-Bike Battery 25Ah + Charger

SUYIJIA 48V/36V Silverfish Li-Ion E-Bike Battery — 17Ah, 20Ah & 25Ah with 54.6V 2A Charger

Power up your electric bicycle, e-scooter, or trolling motor with the SUYIJIA Silverfish Lithium-Ion Battery. Available in 36V or 48V configurations and capacities of 17Ah, 20Ah, and 25Ah, this CE-certified 18650 cell battery pack is engineered for reliable, long-lasting performance. Compatible with popular e-bike builds including BURCHDA R8S Pro, JINGHMA R8 Pro, and Bafang motor kits ranging from 250W to 1000W. Every pack ships with a 54.6V 2A smart charger included.

Key Features

• Versatile Voltage Options: Available in 36V and 48V to match your motor's requirements
• High Capacity Range: Choose from 17Ah, 20Ah, or 25Ah for extended range per charge
• Built-In Smart BMS: Protects against overcharging, over-discharge, overcurrent, short circuits, and includes cell balancing
• Long Cycle Life: Up to 1,000 full charge cycles at 80% depth of discharge (DOD)
• Silverfish Form Factor: Slim, streamlined profile fits neatly onto bicycle down tube or beam
• Wide Motor Compatibility: Supports 250W–1,000W motors including Bafang kits
• Charger Included: 54.6V 2A smart charger in the box — no extra purchase needed
• CE Certified: Meets European safety and electromagnetic compatibility standards

Technical Specifications

In the Box

• 1× Silverfish Li-Ion Battery Pack (36V or 48V, selected capacity)
• 1× 54.6V 2A Smart Charger

Compatible Applications

Designed for electric bicycles, e-scooters, and trolling motors. Works with BURCHDA R8S Pro, JINGHMA R8 Pro, and most Bafang mid-drive or hub motor kits from 250W to 1000W.

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What e-bike motors is this Silverfish battery compatible with?

A: This 36V/48V Silverfish lithium-ion battery is compatible with a wide range of e-bike motors from 250W to 1000W, including popular Bafang hub and mid-drive kits, and fits models such as the BURCHDA R8S Pro and JINGHMA R8 Pro. Always verify your motor's voltage rating matches the battery option you select (36V or 48V).

Q: How long does it take to fully charge this e-bike battery?

A: Using the included 54.6V 2A smart charger, a fully depleted 17Ah pack takes approximately 8–9 hours to charge, while the 25Ah version takes around 12–13 hours. Charging temperature should be kept between 0°C and 45°C for optimal battery health.

Q: What does the built-in BMS protect against?

A: The integrated Battery Management System (BMS) provides multi-layer protection including overcharging prevention, over-discharge cutoff, overcurrent limiting, short-circuit protection, and automatic cell balancing — helping to extend battery life and maintain safe operation over its 1,000-cycle lifespan.

Q: Can this battery be used on an e-scooter or trolling motor, not just an e-bike?

A: Yes. This Silverfish Li-Ion battery pack is suitable for electric bicycles, e-scooters, and trolling motors, provided the voltage and connector type are compatible with your specific device.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.