3SCORE 48V 21Ah Second Battery Kit | Dual Power Extension with Lock

3SCORE 48V 21Ah Second Battery Kit – Dual Power Extension with Lock

⚠️ Note: This battery extension kit works only with the 3SCORE Rear Drive Motor Etrike.

Go farther with confidence. Add a second 48V 21Ah battery to your 3SCORE Rear Drive Electric Etrike and enjoy longer rides with seamless power switching and secure locking.

• Double (or more) your range for longer rides and errands
• Complete kit: holder + dual battery selector + lock & key
• Clean integration engineered for the 3SCORE Rear Drive Electric Etrike

Quick tip: Watch the installation video below, then add the kit to your order.

🔋 Double (or more) Your Riding Range

Ride longer without range anxiety. The 48V 21Ah battery adds meaningful distance so your electric etrike keeps going when you need it most.

⚙️ Complete Dual Battery System

Includes the 48V 21Ah Battery, a sturdy frame battery holder, a dual battery selector switch, and a secure lock with key so you can switch power sources smoothly.

🔐 Secure & Reliable

The keyed locking system helps protect your second battery during storage and while riding—built for everyday use.

🚲 Smooth Integration

Engineered specifically for the 3SCORE Rear Drive Electric Etrike for a clean install and a solid fit.

🌦️ Everyday Performance

Designed with durable, ride-ready components to support commuting, wellness rides, and recreational trips.

📦 What’s Included

• 48V 21Ah Lithium Battery
• Frame Battery Holder
• Dual Battery Selector Switch
• Battery Lock with Key
• Connection Hardware

Ideal for long-distance outings, daily errands, and anyone who wants more flexibility from their electric etrike.

Ride farther. Explore more. Power your lifestyle with 3SCORE.
Get Your Freedom Back.