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:
Longer riding distance per charge (up to 60–80 km on a 500W e-bike)
More energy storage for sustained performance
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:
Lower cost per Wh — excellent choice for mid-range e-bikes
Consistent voltage and energy output
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:
✅ Overcharge protection
✅ Over-discharge protection
✅ Overcurrent protection
✅ Short-circuit protection
✅ Overtemperature protection
⚙️ 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:
High discharge current — supports strong torque and acceleration
Fast charging capability — compatible with 42V 5A chargers
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:
Low-temperature discharge: down to -20°C
High-temperature endurance: up to +65°C
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.
🔋 Consistent discharge efficiency (≥95%)
⚙️ Reduced performance degradation over time
🚴♂️ 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:
Easy to install and remove without tools
Lower center of gravity — enhances e-bike stability
Integrated lock for security
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.
Use a 36V lithium-ion charger (42V output) with proper balance charging.
Avoid over-discharging below 30V.
Store in a dry environment between 10°C–30°C.
Ensure good ventilation during charging.
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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