Samsung 58E 21700 5330mAh 10.7A Flat Top Rechargeable Battery

The Samsung INR21700-58E is a high-capacity rechargeable lithium-ion battery designed for applications where long runtime matters more than extreme current output. With a 5330mAh typical capacity and a 10.7A maximum continuous discharge rating, it is a strong choice for compatible flashlights, electronics, power banks, and professionally assembled battery packs.

This is an unprotected, flat-top 21700 cell. Before ordering, verify that your device accepts the battery’s size, terminal style, voltage, and discharge rating.

Features

• 🔋 5330mAh typical capacity for extended runtime

• ⚡ 10.7A continuous discharge rating

• 📏 21700 format for compatible high-capacity devices

• 🔘 Flat-top terminal

• 🔁 Rechargeable lithium-ion chemistry

• 🧩 Suitable for compatible single-cell devices and professionally built battery packs

• 🚫 Unprotected cell with no built-in protection circuit

Recommended Uses

• Compatible 21700 flashlights

• Portable electronics

• Power banks

• Battery testing and development

• Professionally assembled battery packs with appropriate protection and battery-management electronics

Specifications

Important Compatibility Notice

⚠️ This is a flat-top, unprotected 21700 battery.

The buyer must know which battery type their device requires. Confirm all of the following before purchasing:

• 21700 battery size

• Flat-top terminal compatibility

• Unprotected-cell compatibility

• Required discharge rating

• Physical battery-compartment dimensions

This battery may not work in devices that require a button-top cell, protected battery, proprietary battery, or shorter cell.

Lithium-Ion Safety

• Use only with a quality lithium-ion charger.

• Never short-circuit, crush, puncture, disassemble, or expose the battery to fire.

• Do not use the cell if the wrapper or insulating ring is damaged.

• Do not carry or store loose batteries with keys, coins, or other metal objects.

• Do not exceed the battery’s voltage or discharge limits.

• Battery-pack assembly should only be performed by experienced builders using appropriate protection and battery-management electronics.

Package Includes

• 1 × Samsung INR21700-58E 21700 Rechargeable Battery

Flashlight, charger, and other accessories are not included.