NL1836 Rechargeable Lithium Battery 3600mAh 3.6V High Performance for Flashlight USB-C Direct Charge

Flashlights require a reliable power source that can maintain consistent output during extended use. The NL1836 series lithium battery is designed to meet those demands, offering a nominal capacity of 3600mAh and a nominal voltage of 3.6V. With support for up to 500 charge cycles, this rechargeable battery reduces the need for frequent replacements and provides a sustainable power solution for your flashlight. Whether you need a standard battery, one with USB-C direct charging, or a high-current discharge variant, this series covers your requirements.

Features and Construction

The NL1836 battery comes in three distinct options to suit different flashlight models and user preferences. Each variant shares the same core lithium-ion chemistry and performance baseline.

Material and Build

The battery uses lithium-ion cells, a common rechargeable chemistry known for its energy density and suitability for high-drain devices like flashlights. The NL1836R variant integrates a USB-C charging port directly into the battery casing, allowing you to recharge without a separate charger. The NL1836HP model is engineered for high current and high discharge rates, making it suitable for flashlights that require a sudden burst of power.

Size and Practical Fit

No physical dimensions are provided in the source data. The battery is identified as model NL1836, which typically corresponds to a standard 18mm diameter and 36mm length form factor (common in many flashlights), but this should be verified against your device. All three variants (NL1836, NL1836R, NL1836HP) share the same physical size unless otherwise stated.

Uses and Placement

This battery is purpose-built for flashlights, providing a reliable power source for both everyday carry and professional use. The different variants address specific user needs.

Event or Professional Use

For security personnel, outdoor guides, or emergency responders who rely on flashlights for extended periods, the NL1836HP variant delivers high current and high discharge rates, ensuring the flashlight maintains bright output when needed most. The 3600mAh capacity supports long shifts without frequent recharging.

Everyday Home Use

For household flashlights used during power cuts or for general tasks, the NL1836R variant offers the convenience of USB-C direct charging, eliminating the need for a dedicated battery charger. Simply plug the battery into a USB-C cable to recharge, making it accessible for regular home users.

Benefits and Buying Value

Choosing a rechargeable lithium battery for your flashlight reduces ongoing costs and environmental waste compared to disposable batteries. The NL1836 series offers clear advantages through its high capacity and charging flexibility.

Reuse and Low Maintenance

With up to 500 charge cycles, this battery can be reused hundreds of times, reducing the number of batteries that end up in landfill. The NL1836R variant simplifies maintenance by allowing direct USB-C charging, so you only need a standard cable to refresh the power.

Why Choose This Product

The NL1836 series provides a rechargeable solution with three clear options: standard use, USB-C convenience, or high-current discharge. Instead of buying multiple types of disposable batteries, you can rely on one rechargeable battery that fits many common flashlight models. The 3600mAh capacity and 3.6V voltage are typical for high-performance flashlight batteries, ensuring compatibility with devices designed for this specification.