Finding the best batteries for Halo rangefinder is essential for consistent performance on the course or in the field. Most Halo rangefinder models rely on CR2 3V lithium batteries, which deliver the high-drain power needed for accurate laser measurements. Whether you prefer non-rechargeable lithium cells for long shelf life or rechargeable options for repeated use, this guide covers the top picks available in 2026.
What to Look for in a Halo Rangefinder Battery
Before buying, consider voltage compatibility (3V is standard for most Halo models), capacity in mAh, shelf life, and leak protection. CR2 lithium batteries outperform alkaline options by lasting 3 to 5 times longer in high-drain devices like rangefinders. Always verify your specific Halo model’s battery requirement before purchasing.
1. PKCELL CR2 Battery 4 Pack

The PKCELL CR2 Battery is a reliable non-rechargeable lithium cell rated at 3V with an 850mAh capacity and an impressive 10-year shelf life. It performs well in extreme temperatures ranging from -22 degrees Fahrenheit to 140 degrees Fahrenheit, making it ideal for outdoor rangefinder use in any season. Its high energy density means it lasts 3 to 5 times longer than standard alkaline batteries in high-drain devices.
2. Enegitech CR2 Battery 6 Pack

The Enegitech CR2 Battery offers a higher capacity of 1000mAh at 3V, making it a strong performer for extended rangefinder sessions. It features PTC high current discharge protection, which prevents explosions caused by high temperatures and keeps your device safe. This non-rechargeable cell also carries a 10-year shelf life and is compatible with a wide range of devices beyond rangefinders, including cameras and alarm sensors.
3. JESSPOW CR2 3V Lithium Battery 2 Pack

The JESSPOW CR2 Battery comes UL and RoHS certified, giving you confidence in its safety and environmental standards. It includes built-in PTC protection with short circuit overcurrent protection and intelligent voltage surge safeguards, which are critical for high-drain devices. This non-rechargeable CR2 lithium battery is compatible with golf rangefinders, smoke detectors, wireless security devices, and small electronics.
4. PKUNIN CR2 Battery 3V 6 Pack

The PKUNIN CR2 Battery delivers 850mAh capacity with a multi-seal anti-leakage design that protects your Halo rangefinder’s internal compartment from damage. It maintains power for up to 10 years in proper storage, making it an excellent option to keep as an emergency backup. This non-rechargeable lithium cell measures 0.61 by 1.06 inches and fits standard CR2 battery slots.
5. EBL CR2 Battery 6 Pack

The EBL CR2 Battery stands out with a 1000mAh high capacity and improved energy density, providing extended and reliable power for frequent-use electronics. Its advanced leak-proof design, built from high-grade lithium cells, helps prevent damage to sensitive rangefinder battery compartments. These non-rechargeable batteries also maintain performance for up to 10 years in storage, making them ideal for both active use and emergency kits.
6. Batteriol CR2 3V Lithium Battery 4 Pack

The Batteriol CR2 Battery offers 1000mAh capacity and a 10-year shelf life under proper storage conditions, giving it one of the longer backup readiness spans in this category. It is compatible with a broad range of devices including golf rangefinders, home alarm systems, smart locks, and glucose meters. As a non-rechargeable CR15H270 format cell, it fits all standard CR2 battery slots.
7. Enegitech CR2 Batteries 4 Pack

This second Enegitech offering provides 1000mAh at 3V with verified compatibility with popular devices like the SwitchBot Smart Switch, Fujifilm Instax Square cameras, and Streamlight TLR flashlights in addition to golf rangefinders. It directly replaces battery codes including DLCR2, CR15H270, KCR2, CR17355, ELCR2, EL1CR2, and CR2R. The non-rechargeable design and 10-year shelf life make it a consistent and dependable choice.
8. Duracell N 1.5V Alkaline Battery 2 Count Pack

The Duracell N Alkaline Battery is a trusted option for compatible rangefinder models that accept 1.5V N-size cells rather than CR2 lithium batteries. Duracell guarantees each battery for 5 years in storage, and the brand is widely recognized as the number one trusted battery brand in the market. This pack is especially useful for key fobs, GPS trackers, remote controls, and car alarm systems as well.
9. HALO Prime Rechargeable Lithium-ion Battery Pack

The HALO Prime Rechargeable Lithium-ion Battery Pack is a 12-Volt 5Ah pack specifically made for the Prime Series Pellet Grills but also used in compatible HALO-branded products. It delivers 15 to 20 hours of runtime per charge, making it exceptionally suited for extended outdoor sessions. If you own a HALO Prime Series device, this rechargeable option eliminates the ongoing cost of single-use batteries.
10. 3V CR2 Rechargeable Battery Two-Pack

The 3V CR2 Rechargeable Battery is a practical choice for golfers and hunters who want a sustainable long-term battery solution for their rangefinder. Rated at 300mAh with up to 1200 charging cycles, it carries MSDS safety certification and is designed for cameras, telescopes, and golf rangefinders. While its capacity is lower than non-rechargeable CR2 options, the ability to recharge it hundreds of times makes it a cost-effective pick over time.
Final Thoughts
For most golfers and hunters, a non-rechargeable CR2 3V lithium battery with 1000mAh capacity and a 10-year shelf life offers the best performance and value. Brands like Enegitech and EBL deliver both high capacity and leak protection, which are the two most important factors for protecting your rangefinder investment. If you use your Halo device frequently, a rechargeable CR2 two-pack can reduce your long-term battery costs significantly.

