Description
Samsung 58E (CC5493F101) 21700 Battery – High-Capacity Lithium-Ion Power Cell
Overview
The Samsung 58E 21700 Battery is a high-capacity lithium-ion rechargeable cell, engineered for energy storage systems and low-to-moderate drain applications. With a robust 5330mAh capacity and a 10.7A continuous discharge rate, it’s an excellent choice for applications where runtime and reliability are paramount.
Key Features
✅ Massive Capacity: 5330mAh for long-lasting power in continuous-use scenarios
✅ Moderate Discharge Rate: 10.7A continuous discharge – optimized for efficiency over raw power
✅ Reliable Lithium-Ion Chemistry: Delivers stable voltage and performance throughout its cycle life
✅ Rechargeable & Durable: Supports hundreds of charge cycles with minimal degradation
✅ 21700 Form Factor: Offers enhanced energy density over traditional 18650 cells
Specifications
| Specification | Details |
|---|---|
| Brand | Samsung |
| Model | 58E (CC5493F101) |
| Battery Type | 21700 |
| Capacity | 5330mAh |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 10.7A |
| Rechargeable | Yes |
| Protected | No (Unprotected cell) |
| Cycle Life | ~500+ charge cycles |
| Diameter | 21.1mm |
| Length | 70.0mm |
| Weight | ~68g |
Applications
The Samsung 58E is ideal for long runtime, low-to-mid drain applications including:
🔋 Energy Storage Systems – Ideal for solar storage, home batteries, and backup units
🔋 Battery Packs – Excellent for low-to-moderate discharge custom pack builds
🔋 Power Banks – High capacity makes it a solid core for premium portable chargers
🔋 Medical Equipment – Suitable for devices requiring dependable, extended power
🔋 LED Lighting – Powers lanterns, utility lights, and long-duration LED systems
🔋 Portable Fans & Appliances – Provides efficient energy for everyday electronics
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Lithium-ion cells require safe, responsible handling and proper setup.
General Safety Guidelines
✔ Only use with compatible, properly-designed electronics
✔ Charge on a non-flammable surface—never leave unattended during charging
✔ Use a charger designed for lithium-ion cells
✔ Store cells in a protective case—never loose in bags or drawers
✔ Avoid contact with conductive materials (e.g., keys, tools)
✔ Always operate within listed specifications
🚫 Prohibited Uses & Handling
⛔ DO NOT use in e-cigarettes or vape pens
⛔ DO NOT mix new and old cells or different brands/models
⛔ DO NOT short circuit, crush, puncture, or expose to open flame
⛔ DO NOT use if the battery wrapping is damaged
⛔ DO NOT overcharge, over-discharge, or charge unattended
⛔ DO NOT expose to water or extreme temperatures
⛔ DO NOT solder directly—use spot welding for pack assembly
⚠ User Responsibility & Risk Acknowledgment
Use of the Samsung 58E 21700 Battery is at your own risk.
By purchasing, you acknowledge that this is a lithium-ion cell requiring responsible use and expert-level handling for safe integration into battery systems.
Improper handling may result in fire, explosion, injury, or death.