Xain-USA (2-Pack) Samsung SDI INR18650-35E 3.6V 3500mAh Rechargeable Li-ion Battery | 18650 Flat Top, 8A Continuous Discharge, Unprotected Industrial Cell

Product Description

The Samsung SDI INR18650-35E is a rechargeable 18650 lithium-ion cell designed for integration into professionally engineered battery packs and compatible industrial battery systems.

Featuring a 3.6V nominal voltage, 3500mAh capacity class, and an 8A maximum continuous discharge rating, this cell offers a combination of energy capacity and discharge performance for applications requiring rechargeable lithium-ion power.

The INR18650-35E features a flat-top terminal configuration and does not include an integrated Battery Management System (BMS) or individual cell protection circuit.

Important: This is an unprotected industrial battery cell intended for qualified battery-pack manufacturers and professional integrators. It is not intended for direct consumer use as a standalone rechargeable battery.

Key Specifications:

Specification                                           Details

Manufacturer                                           Samsung SDI

Model Number                                        INR18650-35E

Cell Chemistry                                        Lithium-Ion (INR)

Battery Size                                             18650

Nominal Voltage                                     3.6V

Capacity Class                                        3500mAh

Minimum Standard Capacity                3350mAh

Nominal Energy                                      Approximately 12.6Wh

Maximum Charging Voltage                 4.2V

Standard Charging Current                    1700mA

Maximum Charging Current                 2000mA

Maximum Continuous Discharge         8A

Discharge Cutoff Voltage                      2.65V

Terminal Configuration                         Flat Top

Protection Circuit                                    None – Unprotected Cell

Maximum Diameter                               18.55mm

Maximum Length                                   65.25mm

Maximum Cell Weight                          50g

Intended Applications

Designed for professional integration into:

• Custom rechargeable lithium-ion battery packs
• Industrial electronic equipment
• Professionally engineered battery assemblies
• Battery-pack manufacturing and prototyping

All applications must incorporate appropriate cell protection, charging control, temperature management, and electrical safety measures.

Safety Information

WARNING: UNPROTECTED LITHIUM-ION CELL

• This battery does not contain an integrated BMS or protection circuit.
• Not intended for standalone consumer use.
• For qualified battery-pack manufacturers and professional integrators only.
• Use appropriate external protection circuitry.
• Do not short-circuit, puncture, crush, disassemble, or expose to excessive heat.
• Do not exceed specified charging or discharging limits.
• Do not use with incompatible chargers or devices.
• Follow applicable lithium-ion battery storage, handling, shipping, and recycling requirements.

Manufacturer Information

Samsung SDI is the manufacturer of the INR18650-35E cell. Xain-USA is the reseller of this product.

Samsung and Samsung SDI are trademarks of their respective owners. Xain-USA is an independent reseller and is not affiliated with or endorsed by Samsung SDI.

To ensure the longevity and safety of your lithium-ion (Li-ion) batteries, follow these care instructions:

• Avoid Extreme Temperatures
• Partial Charge is Better
• Avoid Overcharging
• Minimize Exposure to High Discharge Rates
• Store Properly When Unused
• Use Proper Chargers and Cables
• Keep Battery Contacts Clean

We ship our products using USPS Ground Advantage 2-5 Delivery. Please note that USPS may experience delays in its network.

Refer to your receipt email for the tracking code to view updates.

Warranty: Products advertised with a one-year warranty are covered against manufacturing defects. Check this listing for the applicable warranty. Contact our U.S.-based team with your order number and photos for a warranty or performance issue.

Standard returns: Request within 30 days of delivery. Items must be unused, uninstalled and complete in their original packaging; exclusions apply.

Return shipping: The buyer pays return shipping and prints the label. For a damaged, defective or incorrect item, contact us first to confirm the resolution and shipping arrangements. A prepaid label is not automatic.

Read the full return policy and warranty guidance or email support@xain-usa-marketplace.com.