Description
Epoch 18650 3500mAh 10A Protected Button Top Battery – High-Safety Lithium-Ion Power Cell
Overview
The Epoch 18650 3500mAh 10A Protected Button Top Battery is a high-capacity lithium-ion rechargeable power cell with built-in protection circuitry for enhanced safety. Designed for moderate-drain applications, this battery features a 3500mAh capacity and a 10A continuous discharge rate, making it ideal for flashlights, battery packs, and consumer electronics that require added protection against overcharging, over-discharging, and short circuits.
Key Features
✅ High Capacity: 3500mAh ensures longer runtime before needing a recharge.
✅ Moderate Discharge Rate: 10A continuous discharge, suitable for low-to-medium-drain applications.
✅ Protection Circuit Included: Prevents overcharging, over-discharging, and short circuits.
✅ Lithium-Ion Chemistry: Provides stable, efficient, and long-lasting energy output.
✅ Rechargeable & Durable: Supports hundreds of charge cycles with minimal capacity loss.
✅ Button Top Design: Ensures compatibility with flashlights and devices requiring raised terminals.
Specifications
| Specification | Details |
|---|---|
| Brand | Epoch |
| Model | 18650 3500mAh 10A Protected Button Top |
| Battery Type | 18650 |
| Capacity | 3500mAh |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 10A |
| Protected | Yes (Built-in PCB for safety) |
| Rechargeable | Yes |
| Cycle Life | ~500+ charge cycles |
| Button Top | Yes |
| Diameter | 18.6mm (including protection circuit and wrap) |
| Length | ~71mm (including button top) |
| Weight | ~50g |
Applications
The Epoch 18650 3500mAh 10A Protected Button Top Battery is widely used in moderate-drain electronic devices, including:
🔋 Flashlights & LED Devices – Ideal for high-efficiency LED torches requiring a button top battery.
🔋 Battery Packs – Commonly used in custom-built power storage solutions with safety features.
🔋 Medical Devices – Provides stable power for essential healthcare equipment.
🔋 Consumer Electronics – Compatible with cameras, remote controls, and various household electronics.
🔋 Portable Power Banks – Provides steady energy output for emergency backup power.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
While this battery includes built-in protection circuitry, lithium-ion batteries still require proper handling to ensure safe operation. 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 using a compatible Li-Ion smart charger—never leave batteries charging unattended.
✔ 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 accidental short circuits.
✔ Use only within manufacturer-listed specifications and in protected battery packs.
✔ Ensure proper ventilation while charging and avoid extreme heat sources.
✔ 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 reduce battery lifespan or cause failure.
⛔ DO NOT expose the battery to water, extreme heat, or direct sunlight.
⛔ DO NOT attempt to remove the built-in protection circuit.
⚠ 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 Epoch 18650 3500mAh 10A Protected Button Top 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. 🔋