Tenpower INR21700-50ME 5000mAh - 15A
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PRODUCT DETAILS
TENPOWER | LONDON VAPE WHOLESALE
21700 RECHARGEABLE BATTERY SERIESTenpower INR21700-50ME 5000mAh 15A Battery Wholesale UK
Discover the Tenpower INR21700-50ME rechargeable lithium-ion battery at London Vape Wholesale. Featuring a high 5000mAh nominal capacity, 15A maximum continuous discharge rating and flat-top 21700 design, this rechargeable cell is intended for suitable electronic equipment that supports unprotected 21700 lithium-ion batteries.
PRODUCT HIGHLIGHTS
5000mAh Capacity • 15A Maximum Continuous Discharge • 21700 Battery Size • 3.6V Nominal Voltage • Flat-Top Design • Rechargeable Li-ion • Single Cell
Important: This is an unprotected lithium-ion cell for use only in suitable equipment with appropriate battery protection.
Tenpower INR21700-50ME – Product Overview
The Tenpower INR21700-50ME 5000mAh 15A is a rechargeable 21700 lithium-ion battery cell designed for applications requiring substantial energy capacity within the 21700 cylindrical battery format.
Featuring a 5000mAh nominal capacity and 3.6V nominal voltage, the Tenpower 50ME provides a balance between energy storage and moderate continuous discharge capability.
The battery is rated for a maximum continuous discharge current of 15A. This is an upper operating limit, not a recommended current for every device or application.
Its flat-top positive terminal and standard 21700 form factor make it suitable for equipment specifically designed to accept this battery type and electrical specification.
The INR21700-50ME is an unprotected battery cell, meaning it does not contain an integrated protection circuit. Appropriate protection must be provided by the host device or battery system.
London Vape Wholesale lists this product as one individual rechargeable battery cell, rather than a multipack.
Tenpower INR21700-50ME Battery Key Features
5000mAh Nominal Capacity
The Tenpower 50ME features a nominal capacity of 5000mAh, providing substantial energy storage for suitable electronic devices. Actual usable capacity varies with discharge current, temperature and battery condition.
15A Maximum Continuous Discharge
The cell has a maximum continuous discharge rating of 15A. Equipment must be designed to operate within the battery's electrical and thermal limits, with suitable safety margins.
Standard 21700 Battery Format
The cylindrical 21700 format has a nominal diameter of approximately 21mm and length of approximately 70mm. Check actual cell dimensions and device clearances before use.
Rechargeable Lithium-Ion Chemistry
The INR21700-50ME uses rechargeable lithium-ion cell chemistry and must be charged using equipment specifically suitable for this cell type.
3.6V Nominal Voltage
The battery has a nominal voltage of 3.6V and a standard full-charge voltage of 4.2V. It must not be connected directly to an unregulated charging power supply.
Flat-Top Positive Terminal
The flat-top configuration is intended for compatible battery contacts and holders. Some devices require button-top batteries and may not accept this cell.
Unprotected Cell Design
This cell has no built-in protection circuit. Use only with suitable equipment incorporating appropriate overcharge, over-discharge, overcurrent and short-circuit protection.
Individual Battery Supply
The Tenpower INR21700-50ME is listed as an individually priced battery cell, allowing trade customers to order the quantity required.
Tenpower INR21700-50ME Technical Specifications
| Brand | Tenpower |
| Model | INR21700-50ME |
| Product Type | Rechargeable Lithium-Ion Battery Cell |
| Battery Size | 21700 |
| Chemistry | INR / Lithium-Ion |
| Nominal Capacity | 5000mAh |
| Nominal Voltage | 3.6V |
| Full-Charge Voltage | 4.2V |
| Maximum Continuous Discharge | 15A |
| Discharge Cut-Off Voltage | 2.5V |
| Positive Terminal | Flat Top |
| Protection Circuit | Not Included / Unprotected |
| Rechargeable | Yes |
| Nominal Dimensions | Approximately 21 × 70mm |
| Listed Weight | Approximately 65.8g |
| Quantity | 1 Battery Cell |
| Battery Charger Included | No |
| Wholesale Supplier | London Vape Wholesale |
Dimensions and weight may vary slightly by manufacturing tolerance. Always refer to the latest manufacturer datasheet and actual cell markings.
Understanding the 5000mAh Capacity and 15A Rating
5000mAh – Energy Capacity
The 5000mAh rating describes the cell's nominal charge capacity under specified test conditions. It does not guarantee a particular runtime in every device.
15A – Maximum Continuous Discharge
The 15A rating represents the specified maximum continuous discharge current. A device's current requirements must remain within safe limits, accounting for operating conditions and appropriate margins.
3.6V – Nominal Voltage
The 3.6V nominal rating describes the cell's typical operating voltage. Its actual voltage changes during charging and discharging.
Tenpower 21700 Battery Compatibility
The Tenpower INR21700-50ME is intended for equipment specifically designed to accept unprotected flat-top 21700 lithium-ion cells with the appropriate voltage and discharge characteristics.
Check These Requirements Before Use
- The device explicitly supports 21700 cells.
- The battery compartment accepts a flat-top terminal.
- The device supports a single-cell nominal voltage of 3.6V where applicable.
- The device's maximum current demand is within the cell's rated limits.
- Suitable electronic battery protection is provided.
- The battery fits without damaging its insulating wrap.
Not interchangeable with: 18650, 20700 or other battery formats unless the device manufacturer explicitly supports the substitution.
Vape device compatibility: Do not assume that every removable-battery vape mod can safely use this cell. Check the device manufacturer's specified battery type and current requirements. This battery is not suitable for unprotected or unregulated use.
How to Charge the Tenpower INR21700-50ME Safely
Step 1 – Inspect the Battery: Check the outer wrap, insulating ring and terminals for damage before charging.
Step 2 – Select a Suitable Charger: Use a quality lithium-ion charger that explicitly supports 21700 cells and the appropriate charging profile.
Step 3 – Check Polarity: Insert the cell according to the charger's positive and negative terminal markings.
Step 4 – Use Appropriate Settings: Follow the latest manufacturer datasheet and charger instructions for permitted charging current and temperature conditions.
Step 5 – Monitor Charging: Charge on a stable, non-flammable surface away from combustible materials. Never leave charging batteries unattended.
Step 6 – Remove When Complete: Once charging has finished, remove the battery and place it in a suitable protective battery case if not being installed directly into a compatible device.
Important 21700 Lithium-Ion Battery Safety
Unprotected Battery – Handle With Care
This battery does not contain its own protection circuit. Incorrect use can cause overheating, fire or serious injury.
- Never carry a loose battery in a pocket or bag.
- Keep cells away from keys, coins and other metal objects.
- Always transport spare cells in individual protective cases.
- Never short-circuit, crush, puncture or dismantle the cell.
- Do not use a battery with damaged wrapping or insulation.
- Never exceed the maximum continuous discharge rating.
- Do not overcharge or over-discharge the battery.
- Do not expose the cell to excessive heat or moisture.
- Do not charge unattended or while sleeping.
- Do not mix cells of different models, ages or conditions in multi-cell equipment.
- Stop using the cell if it becomes unusually hot, swollen, damaged or behaves abnormally.
- Dispose of used cells through an appropriate battery recycling service.
How to Store Tenpower 21700 Batteries
- Store batteries in a cool, dry location.
- Keep individual cells separated and protected against short circuits.
- Avoid direct sunlight and excessive temperatures.
- Do not store loose cells together with metal objects.
- Follow the manufacturer's recommended charge level for long-term storage.
- Keep batteries away from children and pets.
What's Included?
- 1 × Tenpower INR21700-50ME 5000mAh 15A Rechargeable Battery Cell
Battery charger, vape device and protective storage case are not confirmed as included. Packaging may vary. The product is priced individually.
Frequently Asked Questions
What is the Tenpower INR21700-50ME?
It is a rechargeable 21700 lithium-ion battery with a 5000mAh nominal capacity and 15A maximum continuous discharge rating.
Is the Tenpower 50ME rechargeable?
Yes. It is a rechargeable lithium-ion cell and requires a compatible charger and appropriate battery protection.
What is the battery capacity?
The nominal capacity is 5000mAh. Actual usable capacity depends on operating conditions.
What is the maximum discharge rating?
The specified maximum continuous discharge current is 15A.
What voltage does the battery use?
The nominal voltage is 3.6V, with a standard full-charge voltage of 4.2V.
Is the Tenpower 50ME protected?
No. This is an unprotected battery cell without a built-in protection circuit.
Is it flat top or button top?
The Tenpower INR21700-50ME features a flat-top positive terminal.
Can I use this battery in a vape mod?
Only if the device manufacturer explicitly supports an unprotected flat-top 21700 cell and the device's current requirements are safely within the battery's rating.
Can I use it instead of an 18650 battery?
Not unless the equipment manufacturer specifically supports the 21700 format. The battery dimensions are different.
How many batteries are supplied?
The product is listed as one individually priced battery cell.
Does the battery include a charger?
No charger is listed as included. Use a suitable lithium-ion charger designed for 21700 batteries.
How should I carry a spare 21700 battery?
Always use an individual protective battery case. Never carry a loose battery with metal objects.
Where can I buy Tenpower 21700 batteries wholesale?
The Tenpower INR21700-50ME is listed at London Vape Wholesale. Log in to your trade account to check current pricing and availability.
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Tenpower INR21700-50ME 5000mAh 15A Wholesale UK
Explore the Tenpower INR21700-50ME rechargeable lithium-ion battery at London Vape Wholesale. Featuring 5000mAh nominal capacity, 3.6V nominal voltage, a flat-top 21700 configuration and a maximum continuous discharge rating of 15A, this cell is intended for compatible protected battery systems.
Log in to your wholesale account to check current trade pricing, stock availability and ordering information.
Important Battery Safety Information: This is an unprotected rechargeable lithium-ion cell, not a complete consumer battery pack. It must only be used with compatible equipment incorporating appropriate electrical and thermal protection. Incorrect handling, charging, storage or installation can result in fire, injury or property damage. Never short-circuit the battery, exceed its rated limits, use it with damaged insulation or transport it loose. Keep away from children and pets. Use suitable charging equipment and follow the manufacturer's latest specifications. Lithium-ion batteries must be transported, stored and disposed of in accordance with applicable regulations.