Description
EVE 50E 21700 Battery – High-Capacity Lithium-Ion Power Cell
Overview
The EVE 50E 21700 Battery is a high-capacity lithium-ion rechargeable power cell, designed for applications requiring long-lasting energy delivery and stable power output. With an impressive 5000mAh capacity and a continuous discharge rate of 10A, this battery is an excellent choice for moderate-drain devices that demand extended runtime and efficiency.
Key Features
✅ High Capacity: 5000mAh ensures prolonged battery life before requiring a recharge.
✅ Moderate Discharge Rate: 10A continuous discharge, ideal for low-to-moderate drain applications.
✅ Lithium-Ion Chemistry: Offers high efficiency, stability, and minimal power loss.
✅ Rechargeable & Durable: Supports multiple charge cycles while maintaining performance.
✅ Larger 21700 Size: Provides higher capacity and better endurance than standard 18650 batteries.
Specifications
| Specification | Details |
|---|---|
| Brand | EVE |
| Model | 50E |
| Battery Type | 21700 |
| Capacity | 5000mAh |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 10A |
| Rechargeable | Yes |
| Protected | No (Unprotected cell – use with proper safety measures) |
| Cycle Life | ~300+ charge cycles |
| Diameter | 21.4mm |
| Length | 70.0mm |
| Weight | ~70g |
Applications
The EVE 50E is a versatile battery commonly used in moderate-drain electronic devices, including:
🔋 Electric Vehicles (EVs) & E-Bikes – Delivers consistent and long-lasting energy for extended use.
🔋 Battery Packs – Frequently integrated into custom-built energy storage systems.
🔋 Power Banks & Backup Systems – Ideal for high-capacity power banks and UPS systems.
🔋 Medical Devices – Provides steady and reliable power for essential healthcare equipment.
🔋 Consumer Electronics – Used in laptops, wireless devices, and industrial tools.
🔋 Solar Energy Storage – Suitable for energy storage in solar-powered applications.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Lithium-ion batteries require proper handling and knowledge to ensure safe usage. Failure to follow safety guidelines may result in fire, explosion, serious injury, or property damage.
General Safety Guidelines
✔ Only purchase and use if you fully understand lithium-ion battery safety.
✔ Always charge in or on a fire-resistant surface—never leave batteries charging unattended.
✔ Use only a compatible smart charger designed specifically for this type of battery.
✔ Store batteries in a protective case—never carry them loose in a pocket, bag, or purse.
✔ Keep away from metal objects (keys, coins, tools) to prevent short circuits.
✔ Use only within manufacturer-listed specifications and in protected battery packs.
✔ Resellers must provide these warnings to all customers.
🚫 Prohibited Uses & Handling
⛔ DO NOT use this battery in e-cigarettes, vaporizers, or similar devices.
⛔ DO NOT mix old and new, or used and unused batteries.
⛔ DO NOT short circuit, puncture, cut, crush, incinerate, or modify the battery.
⛔ DO NOT use if the battery wrapper is torn or damaged in any way.
⛔ DO NOT overcharge or over-discharge—this can lead to battery failure.
⛔ DO NOT expose the battery to liquids, extreme heat, or direct sunlight.
⛔ DO NOT solder directly—only use spot welding for battery pack assembly.
⚠ User Responsibility & Risk Acknowledgment
- The user assumes full responsibility for proper handling, charging, and storage.
- Misuse or mishandling may result in serious injury or damage.
- No guarantee of compatibility with any specific device is provided.
- Usage of this battery is at your own risk.
By purchasing and using the EVE 50E 21700 Battery, you acknowledge and agree to follow all safety guidelines. Failure to comply may result in hazardous consequences. Prior knowledge of lithium-ion battery safety is required before purchase.
Stay safe and handle responsibly. 🔋