SERP

The Holosun 507k is a versatile red dot sight that combines affordability with reliable performance. This article evaluates the 507k's key features, including its battery life, brightness options, and ergonomic design, to help you decide if it's the right choice for your shooting needs.

As an Amazon Affiliate™ I earn from qualified purchases

Reviews

Battery: Holosun 507K Silver Oxide

These button cell batteries bring your LaserMax Guide Rod Laser sight back to life with their reliable 1.55V power. The silver oxide chemistry delivers consistent performance in any temperature, and the 20mAh capacity keeps your laser bright for thousands of rounds. The five-year shelf life and easy installation make them a practical choice for regular maintenance.

7.4V 3500mAh Lithium Ion Battery Pack

This small battery packs a surprisingly powerful punch, delivering more than 3500 milliamps of juice to your gear. The protective circuit keeps things safe during both charging and use, while the compact 2.8-inch length makes it easy to throw in your pack.

HHS Battery 602530 3.7V 400mAh

This HHS battery, with its 3.7V and 400mAh capacity, gives you a reliable power boost for your Holosun 507K. The adult-oriented design means it's built to last, though we could use more user feedback to really know how it performs in real-world conditions.

Valken Li-Ion 7.4V 3000mAh Split Airsoft Battery

This split-type battery packs a serious punch with its high-capacity 3000mAh cells, giving your airsoft gun twice the energy of standard LiPo batteries. The compact design fits neatly into most crane stocks and PEQ boxes, while the Deans connector makes it a breeze to swap out.

Jasco TL96554 Holosun 507K Replacement Battery

When your Holosun 507K flashlight has seen better days, swapping in this $8.95 replacement battery gives you a second chance at bright, reliable illumination without breaking the bank. The 900 mAh capacity matches the original Jasco TL96554, so you can expect the same performance from this budget-friendly alternative.

Mighty Max Battery for Holosun 507K

This SLA/AGM spill-proof battery offers reliable performance with its high discharge rate and wide temperature tolerance. The UL-certified unit can handle any position, from deep-dish installations to vertical mounts, while its durable design resists vibration and shock. It's backed by proven longevity, with many users reporting five-year service before needing replacement.

Holosun 507K Battery

This C Dsanke battery gives your Kobalt tools a power boost, with four times the runtime of the original 2.0Ah battery. The built-in smart protection chip keeps your tools and battery safe, while the reliable A-class lithium-ion cells can handle 1,000 charge cycles. The convenient 4-LED fuel gauge lets you know when it's time to recharge. With CE certification and worldwide distribution, you can trust this replacement battery to perform just like the original.

Cameron Sino Battery 2200 mAh

This high-capacity battery packs a hefty 2200 mAh punch while maintaining remarkable lightness. The clever design means you can charge and discharge it on the fly without any capacity dip – perfect for keeping your vacuum running strong. With built-in protections against overcharging and a smart battery life chip, it's both reliable and CE certified for peace of mind.

LaserMax Battery for Glock XD

This reliable replacement battery provides consistent power for your laser sight, with a long shelf life and simple installation. Compatible with multiple Glock and Sig Sauer pistols, it ensures optimal accuracy in low-light conditions. The compact design fits seamlessly into your firearm, maintaining optimal performance without interruption.

ActionHeat 7V 5000mAh Battery & Charger Kit

This compact 5000mAh battery packs a powerful 37Wh punch, perfect for powering heated gear. Whether you're battling cold fingers in gloves, staying warm with a heated vest, or extending the runtime of your heated throw, this reliable lithium-polymer pack delivers consistent performance with its 7.4V output. At just 8.3cm x 6.1cm x 2cm, the weather-resistant design fits discreetly in pockets or bags, while the quick-charging 4-6 hour cycle keeps you warm without waiting.

Rechargeable 7.4V 2200mAh Lithium Polymer Battery

These rechargeable batteries, featuring a reliable 7.4-volt 2200mAh capacity, slip seamlessly into compatible heated gloves and socks from popular brands like Sun-Will and Daywolf. The clever design includes a built-in LED indicator that lets you know when it's time to plug in - and trust us, you'll want to keep those batteries topped up every six months for peak performance. When it's time to charge, just pop them into the included adapter for a quick 4-hour recharge session.

Holosun 507K Battery (1920mAh Li-Ion)

This sleek, 1920mAh lithium-ion battery is designed to power your Motorola RS507 Ring Imager Scanner, providing reliable power with its 3.7V DC output. The rechargeable battery offers impressive longevity, holding a charge longer than disposable options while charging more quickly. At just 0.125 lbs, it's a convenient addition to your scanner setup, backed by a one-year manufacturer warranty.

Cricicare 507NJC BP Battery

Made for the Criticare 507NJC BP and similar models, this battery packs 2500mAh of power in a compact 104mm x 50mm x 17mm case, weighing in at just 220 grams. Built to last with premium Lithium-Ion cells and certified by ISO 9001 standards, it's backed for up to 500 charging cycles. The blue battery stands out in its simple, no-frills design, making it a reliable choice for monitoring your blood pressure.

Buyer's Guide

The Holosun 507k has established itself as a formidable entry in the holographic sight market, particularly valued for its battery performance and reliability. Understanding the key aspects of Holosun 507k batteries will help you make an informed choice suitable for your shooting needs.

Power Output

The primary function of any battery is to provide sufficient power to operate the sight's display and optical components. Holosun batteries are designed to deliver a consistent 2.7V output, ensuring bright and clear holographic reticles. The actual runtime depends on the battery's condition and the display settings you use.

Capacity and Runtime

Battery capacity is measured in mAh (milliamp-hours), with higher capacities generally offering longer runtime. While the exact capacity isn't specified for all Holosun batteries, you can expect a typical runtime between 100-200 hours with regular use. Environmental factors and display settings can significantly affect actual runtime.

Recharging and Maintenance

Most Holosun batteries use rechargeable Li-ion technology, which requires proper maintenance to maximize lifespan. Follow these guidelines: charge only when the battery shows low power, avoid fully discharging the battery (especially for Li-ion cells), and store charged batteries in a cool, dry place when not in use.

Replacement and Compatibility

Replacing a Holosun battery is relatively straightforward, but compatibility is crucial. Ensure you're using the correct replacement type (Li-ion) and make sure it matches the voltage requirements of your specific 507k model. Always replace batteries from a reputable source to maintain optimal performance and safety standards.

FAQ

What is the Holosun 507k Battery?

The Holosun 507k Battery is a high-performance replacement battery specifically designed for Holosun 507k series sights and lasers. This rechargeable lithium-ion battery offers reliable power delivery and extended operational life.

Each 507k Battery features a capacity of 1200mAh and operates at a nominal voltage of 3.7V, providing consistent performance across various environmental conditions. The battery is compatible with both 507k-1 and 507k-2 models, ensuring it meets your specific sight configuration requirements.

What are the technical specifications of the 507k Battery?

The battery employs a 1200mAh/3.7V lithium-ion chemistry, delivering reliable power without the risk of memory effects associated with older battery technologies. Each unit includes protection against overvoltage, overcurrent, and overheating, ensuring safe operation during extended use.

The 507k Battery measures 44mm in length, 16mm in diameter, and weighs approximately 26 grams, allowing for minimal bulk while maintaining robust performance. The lightweight design ensures comfortable mounting compatibility with existing holosight systems.

How long will the 507k Battery last on a single charge?

Expect a single charge to provide approximately 200-250 hours of operational time for standard duty cycling. Under optimal conditions with minimal cycling, the battery may achieve slightly higher capacities.

During extended use, factors such as ambient temperature, voltage regulation, and duty cycle can influence actual runtime. For best results, allow the battery to fully charge between usage sessions and store it in a cool, dry environment when not in use.

What charging options are available for the 507k Battery?

The Holosun 507k Battery employs a standard 5V USB input for charging. This compatibility allows you to top off the battery using any USB power source, including laptop ports, wall chargers, or portable USB power banks.

The battery includes integrated charging protection circuits that automatically recognize compatible chargers and regulate the charging process. This ensures safe operation, preventing overcharging or damage to the battery cells.

What is the expected service life of the 507k Battery?

Under normal usage conditions, the 507k Battery is designed to maintain at least 80% of its rated capacity over 500 complete charge cycles. This translates to approximately two years of regular use, assuming daily cycling and proper maintenance.

The battery employs a smart voltage regulation system that gradually reduces output as capacity decreases. This progressive scaling ensures reliable performance throughout the battery's operational lifetime.

How should I maintain the 507k Battery?

To maximize lifespan and performance, store the battery in a cool, dry environment when not in use. Avoid exposing it to extreme temperatures, which can degrade battery performance and reduce overall capacity.

If not in regular use, store the battery at a 50% charge level. Fully discharging the battery to zero before recharge can degrade its capacity over time, so avoid deep discharges whenever possible.