Rear Rack Battery 48V 14Ah 18650 13S4P Li-ion for Electric Bike
Summary of Rear Rack Battery 48V 14Ah 18650 13S4P
The Rear Rack Battery 48V 14Ah 18650 Li-ion Pack delivers a massive 672Wh of energy, enabling longer rides and outstanding power efficiency. Built with high-consistency cells and an advanced BMS (Battery Management System), it ensures minimal capacity loss, low internal resistance, high discharge efficiency, and robust multi-layer protection. Designed for up to 1500W e-bikes, this rear-rack battery combines long lifespan, safety, and intelligent balance management in a water-resistant housing with integrated taillight for superior night visibility and performance across -20°C to 65°C.
48V Rear Rack Ebike Battery Parameters
Battery Model: INR18650 13S4P
Battery Type: Lithium ion Batteries
Battery Cell: 18650 3500mAh
Nominal Voltage: 48V
Charge Voltage: 54.6V
Cut-off Voltage: 35.1V
Nominal Capacity: 14Ah
Minimum Capacity: 13.5Ah
Energy: 672Wh
Max Continuous Discharge Current: 30A
Peak Discharge Current: 60A
Max Charge Current: 5A
Cycle Life: ≥500 Cycles @80% DOD
Weight: 4.8kg
Size: 55*150*438.5mm
Charging Temperature: 0°C to 50°C
Operating Temperature: -20°C to 65°C
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
Key Features – Rear Rack Battery 48V 14Ah
⚡ Powerful Performance – 672Wh for Extended Range
With its 48V 14Ah (672Wh) configuration, this battery provides exceptional range and runtime for urban commuters and long-distance riders. It supports up to 30A continuous discharge, making it ideal for high-power e-bikes up to 1500W.
👉 Experience smooth acceleration, consistent torque output, and extended rides without frequent charging.
🔋 High-Quality 18650 Cells – Superior Consistency and Efficiency
The pack uses high-grade 18650 Li-ion cells with excellent consistency, ensuring stable performance and longer lifespan.
✅ Low internal resistance → less heat generation
✅ High charge/discharge efficiency → minimal energy loss
✅ Optimized cell matching → lower overall capacity degradation in the finished pack
🛡️ Advanced BMS Protection with Active Balancing
Equipped with a smart protection board, this 48V 14Ah battery features comprehensive safety mechanisms:
✅ Overcharge & Over-discharge protection
✅ Overcurrent & short-circuit protection
✅ Overtemperature protection
✅ Active cell balancing for uniform voltage across all cells
This system not only extends battery life but also maintains peak performance and charging safety throughout every cycle.
🌡️ Wide Temperature Adaptability – Ride Anytime, Anywhere
The battery’s durable design ensures reliable operation from -20°C to 65°C. Whether you’re commuting on a cold morning or riding under summer heat, it maintains stable discharge performance and temperature control, guaranteeing dependability in every environment.
🔁 Long Cycle Life – Built to Last
Designed for over 500 charge cycles, the battery retains more than 80% of its original capacity after long-term use. This longevity makes it a cost-effective solution for riders seeking sustainable, durable energy storage.
🚴♂️ Rear Rack Design – Safety, Visibility & Compatibility
Its integrated taillight enhances nighttime visibility and rider safety. The rear rack mounting keeps the battery elevated and protected from water splashes, ensuring excellent waterproof performance.
✅ Universal fit – compatible with most e-bikes using a rear rack system
✅ Modular design – same housing can be configured for 36V or 24V versions for higher capacities or different voltage needs
❓Frequently Asked Questions (FAQ)
Q1: Is the battery compatible with all e-bikes?
A: Yes, it fits most electric bikes that use a rear rack and 48V system. Always confirm the connector type and voltage before installation.
Q2: What makes the BMS “intelligent”?
A: It not only protects against overcurrent, short circuits, and overheating but also actively balances cell voltages, improving lifespan and charge consistency.
Q3: Can I customize the voltage or capacity?
A: Yes, the same case can be made into 36V or 24V versions with higher Ah options to suit your e-bike’s specific requirements.
Q4: How long does it take to fully charge?
A: With a 2A standard charger, full charging takes around 6–7 hours. Faster chargers can reduce this time.
Q5: What is the lifespan of the battery?
A: The pack lasts over 500 cycles while retaining ≥80% capacity, 3–5 years of typical use.
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