36V 15Ah Frog Battery Lithium Ion for 500W Ebike Seat Post
Summary of 36V 15Ah Frog Battery
The 36V 15Ah Frog Battery Pack is a high-capacity, cost-effective lithium-ion battery designed for 500W electric bikes that require reliable long-range power and fast charging performance. Built with 2500mAh 18650 cells, this battery offers excellent value, low internal resistance, and consistent energy output. Featuring a built-in smart BMS (Battery Management System) with balanced charging and multiple safety protections, it ensures stable operation, long cycle life, and safety in all conditions. Its seat post mounting design provides a low center of gravity, improving bike balance and easy installation—making it ideal for e-bike enthusiasts seeking durability, affordability, and long endurance.
E Bike Frog Battery Pack Parameters
Battery Model: INR 18650 10S6P
Battery Type: Lithium-ion Batteries
Battery Cell: 18650 2500mAh Cell
Nominal Voltage: 36V
Charge Voltage: 42V
Cut-off Voltage: 27V
Nominal Capacity: 15Ah
Minimum Capacity: 14.5Ah
Energy: 540Wh
Max Continuous Discharge Current: 20A
Peak Discharge Current: 40A
Max Charge Current: 20A
Cycle Life: ≥500 Cycles @80% DOD
Weight: 4.5kg
Size: 152*152*320mm
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 – Frog Battery 36V 15Ah
🔋 Large 15Ah Capacity for Long Rides
With a massive 15Ah capacity, this Frog-style battery delivers extended range—ideal for daily commuting and long-distance cycling.
Key benefits include:
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Longer riding distance per charge (up to 60–80 km on a 500W e-bike)
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More energy storage for sustained performance
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Less frequent recharging, ensuring more ride time
💰 Cost-Effective 2500mAh Cells with Excellent Value
Each pack uses high-quality 2500mAh 18650 lithium-ion cells, known for affordability, stability, and long-term performance.
Advantages:
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Lower cost per Wh — excellent choice for mid-range e-bikes
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Consistent voltage and energy output
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Easy maintenance and cell replacement compatibility
🧠 Built-In Smart BMS with Active Balancing
Safety and stability come first.
This 36V Frog battery integrates an advanced Battery Management System (BMS) that provides:
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✅ Overcharge protection
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✅ Over-discharge protection
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✅ Overcurrent protection
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✅ Short-circuit protection
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✅ Overtemperature protection
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⚙️ Active cell balancing during charging
This ensures every cell maintains equal voltage and health, preventing premature aging and maximizing the battery pack’s efficiency and lifespan.
⚡ High Power Output for 500W Motors
Engineered to support up to 20A continuous charge/discharge, this pack is perfectly matched for 36V 500W electric bikes.
Performance highlights:
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High discharge current — supports strong torque and acceleration
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Fast charging capability — compatible with 42V 5A chargers
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Low heat generation even under sustained heavy load
This combination ensures stable power delivery, quick charging, and smooth riding experience even on hilly or long routes.
🌡️ Wide Operating Temperature Range
Built for real-world conditions, this battery performs reliably in both hot and cold weather:
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Low-temperature discharge: down to -20°C
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High-temperature endurance: up to +65°C
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Stable voltage output across environmental variations
🔁 Long Cycle Life & Stable Performance
With 500+ charge cycles, the battery retains over 80% of its original capacity under standard use.
Its low internal resistance minimizes heat buildup and extends longevity.
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🔋 Consistent discharge efficiency (≥95%)
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⚙️ Reduced performance degradation over time
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🚴♂️ Long-term reliability for daily riders
A true long-lasting power source for dependable e-bike performance.
🧩 Ergonomic Frog Case Design for Seat Post Mounting
The frog-style housing is designed for seat post installation, offering several advantages:
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Easy to install and remove without tools
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Lower center of gravity — enhances e-bike stability
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Integrated lock for security
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Compact design that blends seamlessly with the bike frame
Compatible with most 36V 500W e-bike systems (including Bafang, Tongsheng, and similar motors).
⚠️ Important Usage Tips
To ensure best performance and safety, Following these practices will help extend your battery life and maintain consistent power output.
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Use a 36V lithium-ion charger (42V output) with proper balance charging.
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Avoid over-discharging below 30V.
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Store in a dry environment between 10°C–30°C.
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Ensure good ventilation during charging.
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Do not short-circuit or expose to water.
❓Frequently Asked Questions (FAQ)
Q1: Is this battery compatible with my 500W e-bike?
A: Yes. The 36V 15Ah Frog Battery supports most 36V 500W motors, including Bafang, MXUS, and other popular e-bike systems.
Q2: How far can I ride on a full charge?
A: Depending on motor efficiency, terrain, and rider weight, you can typically reach 40–60 km per charge.
Q3: Is the frog battery waterproof?
A: Yes. The battery housing is IP54-rated, providing protection against dust and splashes. It’s suitable for light rain or humid conditions, but we recommend avoiding full submersion in water.
Q4: What safety features are built in?
A: The integrated BMS provides overcharge, over-discharge, overcurrent, short-circuit, and overtemperature protection, plus active voltage balancing.
Q5: Can I customize the battery with my brand?
A: Absolutely. Cestpower Battery supports OEM/ODM services, including logo printing, custom labels, and packaging for business customers.
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