48V 25Ah Down Tube Silverfish Lithium Battery for Electric Bike – Long Range & BMS Protected

Product Description

Upgrade your electric bike with the Silverfish 48V 25Ah Down Tube Lithium Battery. Built with high-capacity 18650 cells and an integrated BMS, it ensures long-range rides with overcharge, over-discharge, and short-circuit protection. Compatible with 500–1000W motors and most Down Tube frames, it is easy to install, removable with a key lock, and features a battery level indicator. Ideal for commuting, long-distance cycling, and daily use. CE & UN38.3 certified.

Key Features

• High Capacity & Long Range: 25Ah large-capacity battery supports extended rides, perfect for commuting and long-distance cycling.

• Safety Protection: Built-in BMS offers overcharge, over-discharge, and short-circuit protection for safe operation.

• Wide Compatibility: Compatible with 500–1000W motors and most Down Tube bike frames.

• Easy Installation: Removable design with a key lock for convenience and security.

• Battery Level Indicator: Check remaining power easily before every ride.

Installation Instructions

1. Unlock and remove the battery using the key.

2. Slide the battery into the Down Tube frame battery slot, aligning the connectors.

3. Connect the motor and controller plugs, ensuring a secure fit.

4. Turn on the power switch and start riding.

FAQ 

Q1: Which e-bikes is this battery compatible with?

A: Compatible with most Down Tube frame electric bikes and supports 500–1000W motors. Please check your bike’s frame size and motor/controller specifications before purchasing.

Q2: How far can the battery go on a single charge?

A: The 48V 25Ah battery provides long-range rides under moderate power. Actual distance depends on motor wattage, terrain, rider weight, and riding style.

Q3: How do I install or remove the battery?

A: Unlock with the key, slide the battery into or out of the Down Tube battery slot, connect the motor and controller plugs, and turn on the power switch.

Q4: What safety features does the battery have?

A: Built-in BMS provides overcharge, over-discharge, and short-circuit protection, along with battery balancing. The key lock prevents unauthorized removal.

Q5: How should I charge the battery?

A: Use a 2–5A dedicated charger. Charging takes approximately 3–8 hours. Avoid prolonged high temperatures or deep discharge to extend battery life.

Q6: What is the battery lifespan?

A: Under normal conditions, the battery lasts approximately 800–1000 charge cycles. Actual lifespan varies with usage and environmental conditions.

Q7: Does this battery have certifications?

A: Yes, it is CE and UN38.3 certified, meeting international safety and transport standards.