Description
Ampace JP50 21700 Battery – 5000mAh High-Output Lithium-Ion Cell
Datasheet Download
Overview
The Ampace JP50 21700 Battery is a high-performance lithium-ion rechargeable power cell designed for extreme high-drain applications. With a strong 5000mAh capacity and up to 60A maximum continuous discharge capability, the JP50 delivers exceptional power output, low voltage sag, and long-lasting performance for demanding energy systems.
This cell is ideal for professional battery packs, power tools, EV applications, and other high-current electronics when used with proper safety protections.
Key Features
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High Capacity: 5000mAh for extended runtime
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Extreme Discharge Capability: Up to 60A continuous output (with temperature management)
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Low Internal Resistance: Reduced voltage sag under heavy load
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Lithium-Ion Chemistry: Stable, efficient, and reliable power delivery
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Rechargeable & Durable: Designed for repeated charge cycles
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21700 Form Factor: Higher capacity and endurance than standard 18650 cells
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Flat-Top, Unprotected Cell: Intended for use in protected battery packs and engineered systems
Specifications
| Specification | Details |
|---|---|
| Brand | Ampace |
| Model | JP50 (JP50P1) |
| Battery Type | 21700 |
| Capacity | 5000mAh (Typical) / 4900mAh (Minimum) |
| Nominal Voltage | 3.58V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Max Continuous Discharge | 40A (no 80°C cutoff) / 60A (with 80°C cutoff) |
| Max Pulse Discharge | 180A (5s @ 25±2°C) |
| Standard Charge Rate | 0.5C (2.5A) |
| Rechargeable | Yes |
| Protected | No (Unprotected Cell) |
| Battery Top | Flat Top |
| Initial Internal Resistance | ≤ 4 mΩ (AC 1kHz) |
| Operating Temperature | Charge: -10°C to 60°C / Discharge: -20°C to 80°C |
| Cycle Life | Up to 600 cycles (≥60% capacity retention) |
| Diameter | ≤ 21.35mm |
| Length | ≤ 70.45mm |
| Weight | ≤ 72g |
Applications
The Ampace JP50 is suitable for high-drain and professional-grade uses such as:
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Electric Vehicles (EVs) & E-Bikes
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High-Performance Battery Packs (with proper BMS)
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Power Tools and Industrial Equipment
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RC Vehicles and Drones
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High-Output Flashlights
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Robotics and High-Current Electronics
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Energy Storage Systems
Safety Guidelines & Warnings
⚠ IMPORTANT SAFETY NOTICE
Lithium-ion batteries require proper handling and technical knowledge. Improper use may result in fire, explosion, serious injury, or property damage.
General Safety Guidelines
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Only purchase and use if you fully understand lithium-ion battery safety
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Always charge on a fire-resistant surface
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Never leave charging batteries unattended
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Use only a compatible charger designed for lithium-ion cells
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Store batteries in protective cases
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Keep away from metal objects to prevent short circuits
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Use only within manufacturer specifications
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Intended for use in protected battery packs with proper current and temperature management
🚫 Prohibited Uses & Handling
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Do NOT use in e-cigarettes, vaporizers, or similar devices
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Do NOT mix old and new or different-brand batteries
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Do NOT short circuit, puncture, crush, incinerate, or modify
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Do NOT use if the wrap or insulator is damaged
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Do NOT overcharge or over-discharge
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Do NOT expose to liquids, extreme heat, or direct sunlight
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Do NOT solder directly—spot welding only
User Responsibility & Risk Acknowledgment
By purchasing this battery, the user accepts full responsibility for safe handling, charging, storage, and usage.
No guarantee of compatibility with any specific device is implied.
Improper use may result in serious injury or damage.
Use at your own risk.