🔋 48V 24.5Ah Downtube E-Bike Battery – Grade A 18650 Cells • 50A BMS

1178Wh Capacity • High-Performance Hard Case • 54.6V Charger Included

Power your e-bike with the MCR Electric 48V 24.5Ah Downtube Battery, built using Grade A 18650 3500mAh cells for dependable performance, excellent range and long service life. Delivering approximately 1178Wh of energy and protected by a 50A Battery Management System (BMS), this battery is ideal for everything from everyday commuting to high-performance e-bike conversions.

Designed for bikes with larger frames and lower bottle cage mounting points, this hard-case downtube battery provides a secure, professional installation while supporting motors from 200W up to 2000W.

⚡ Features

• ✔️ 48V 24.5Ah Downtube Battery
• ✔️ Approx. 1178Wh capacity
• ✔️ Grade A 18650 3500mAh lithium-ion cells
• ✔️ 50A Smart Battery Management System (BMS)
• ✔️ Suitable for 200W–2000W motor systems
• ✔️ Durable hard-case construction
• ✔️ Ideal for larger bike frames
• ✔️ Includes 54.6V charger
• ✔️ XT90 discharge connector
• ✔️ Anderson and XT60 adaptors included

📏 Specifications

• Nominal Voltage: 48V
• Battery Capacity: 24.5Ah
• Energy: Approximately 1178Wh
• Cell Configuration: 13S7P (91 Cells)
• Cell Type: Grade A 18650 3500mAh
• Battery Management System: 50A Continuous (90A Peak)
• Maximum Charge Current: 4A
• Charge Cut-Off Voltage: 54.6V
• Discharge Cut-Off Voltage: 39.2V–42V
• Battery Dimensions: 380 × 90 × 145mm
• Approximate Weight: 9kg

🔌 Charger & Connections

• ✔️ 54.6V 3A UK Battery Charger Included
• ✔️ XT90 Male/Female Discharge Connectors
• ✔️ Anderson Adapter Included
• ✔️ XT60 Adapter Included

🚲 Compatibility

Suitable for many e-bike conversion kits and custom builds using:

• ✔️ 48V Systems
• ✔️ Motors from 200W to 2000W
• ✔️ Larger bicycle frames with lower bottle cage mounting positions

If you're unsure whether this battery is compatible with your bike, contact MCR Electric and we'll be happy to help.

📦 Package Includes

• ✔️ 1 × 48V 24.5Ah Downtube Battery
• ✔️ 1 × 54.6V 3A UK Battery Charger
• ✔️ XT90 Connectors
• ✔️ Anderson Adapter
• ✔️ XT60 Adapter
• ✔️ Mounting Base (where applicable)

💳 Payment Options

• ✔️ Klarna – Pay in 3 interest-free instalments (subject to approval)
• ✔️ PayPal Accepted

🛡️ Warranty

✔️ 12-Month Warranty

Warranty does not cover:

• ❌ Water damage
• ❌ Physical or impact damage
• ❌ Modified wiring or connectors
• ❌ Removal or tampering with labels or identification marks

Please Note: The customer is responsible for the cost of returning warranty items to MCR Electric.

🚚 Shipping & Returns

Shipping

• 📦 Orders dispatched within 24 hours (Monday–Friday) when ordered before 1:00 PM
• 🚛 Fully tracked UK delivery
• ⏱️ Estimated delivery: 2–3 working days
• 📧 Tracking information provided upon dispatch

Returns

• ↩️ 14-day returns policy
• ✔️ Items must be unused and returned with all accessories and packaging
• ❗ Return postage costs are the responsibility of the buyer

⚠️ Lithium Battery Safety

• ⚠️ Never leave batteries charging unattended.
• ⚠️ Only use the supplied or approved charger.
• ⚠️ Do not puncture, crush or expose the battery to fire.
• ⚠️ Do not use a battery that is damaged, swollen or water affected.
• ⚠️ Store in a cool, dry location away from heat sources.
• ⚠️ Keep out of reach of children.
• ⚠️ Installation should be carried out by a competent person.

🤝 Why Choose MCR Electric?

• 🇬🇧 UK-based expert support
• 🚚 Fast UK dispatch
• 🔧 Batteries tested before dispatch
• ⚡ Trusted by custom e-bike builders across the UK
• 🛒 Wide range of batteries, motors, controllers and accessories available

If you have any questions about this battery or need help choosing the right option for your build, the MCR Electric team is always happy to help.