Description
Nitecore NL2150HP 21700 5000mAh 15A Protected Button Top Battery – High-Safety Lithium-Ion Power Cell
Overview
The Nitecore NL2150HP 21700 5000mAh 15A Protected Button Top Battery is a high-capacity, high-performance lithium-ion rechargeable power cell designed for maximum safety and reliability. Featuring built-in protection circuitry, this battery safeguards against overcharging, over-discharging, and short circuits. With a 5000mAh capacity and a 15A continuous discharge rate, this battery is ideal for high-drain flashlights, battery packs, and other demanding electronics requiring a button top battery.
Key Features
Ultra-High Capacity: 5000mAh ensures prolonged runtime for extended use.
High Discharge Rate: 15A continuous discharge, perfect for high-drain applications.
Built-in Protection Circuit: Prevents overcharging, over-discharging, and short circuits.
Lithium-Ion Chemistry: Delivers efficient, stable, and reliable power.
Rechargeable & Durable: Supports hundreds of charge cycles with minimal capacity degradation.
Button Top Design: Ensures compatibility with flashlights, power tools, and devices requiring raised terminals.
Specifications
| Specification | Details |
|---|---|
| Brand | Nitecore |
| Model | NL2150HP |
| Battery Type | 21700 |
| Capacity | 5000mAh |
| Nominal Voltage | 3.6V |
| Full Charge Voltage | 4.2V |
| Discharge Cutoff Voltage | 2.5V |
| Continuous Discharge Rate (CDR) | 15A |
| Protected | Yes (Built-in PCB for enhanced safety) |
| Rechargeable | Yes |
| Cycle Life | ~500+ charge cycles |
| Button Top | Yes |
| Diameter | 21.6mm (including protection circuit and wrap) |
| Length | ~77mm (including button top) |
| Weight | ~75g |
Applications
The Nitecore NL2150HP 21700 5000mAh 15A Protected Button Top Battery is widely used in high-drain electronic devices, including:
High-Performance Flashlights & Tactical Lights – Designed for powerful LED flashlights requiring high discharge rates.
Battery Packs – Commonly used in custom-built power storage solutions with safety features.
Consumer Electronics – Compatible with high-drain wireless devices, headlamps, and other gadgets.
Medical Devices – Provides stable and long-lasting power for essential healthcare equipment.
Portable Power Banks & Backup Systems – Ensures steady energy output for emergency power applications.
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 Nitecore NL2150HP 21700 5000mAh 15A 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.
WARNING:
The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium ion battery. Do not mix and match old and new, used and unused batteries.
- DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE
- MISUSING OR MISHANDLING LITHIUM ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY DAMAGE, OR DEATH
- BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
- ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK
- ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS
- DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX
- KEEP AWAY from metal objects to prevent short circuiting
- DO NOT short circuit
- DO NOT use if wrapper or insulator is damaged or torn
- DO NOT use if damaged in any way
- DO NOT overcharge or over-discharge
- DO NOT modify, disassemble, puncture, cut, crush, or incinerate
- DO NOT expose to liquids or high temperatures
- DO NOT solder, spot weld only
- User must be familiar with handling lithium ion batteries before purchase
- Usage of batteries is AT YOUR OWN RISK
- ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended
- RESELLERS MUST FORWARD ALL WARNINGS TO ALL CUSTOMERS FOR THEIR REFERENCE AND SAFETY