Two Way Radio Battery Replacement 587-5700-374 - Long Run Time

In this review the Two Way Radio Battery replacement for EF Johnson VP400, VP600 and VP900 is evaluated for users who need reliable spare power in the field. The bottom line: this battery delivers long runtime and rugged protection, making it a practical choice for technicians, public safety personnel, and anyone who depends on their radio for extended shifts. The review focuses on fit, capacity, and durability, and explains why the 7.4V, 4400 mAh Lithium-Ion pack is the single biggest reason to choose this replacement over smaller or older cells.

Key Features

• Direct compatibility: Designed to replace the OEM 587-5700-374 and fit EF Johnson VP400, VP600 and VP900 radios without modification, so installation is straightforward.
• High capacity: The 4400 mAh capacity provides extended talk and standby time compared with lower capacity packs, which reduces the need to swap batteries during long shifts.
• Reliable chemistry: The 7.4V Li-Ion construction with Japanese cells offers stable performance and consistent voltage under load for reliable radio operation.
• Rugged rating: IP68 rating protects the pack against dust and immersion, useful for outdoor, industrial, and wet-weather use.
• Included belt clip: The package includes a belt clip (CL8299), adding convenience for mobile workers who need to keep the radio accessible.
• Warranty support: A 1 year manufacturer warranty provides assurance against defects through typical service life.

Who It's For

This battery is aimed at professionals and hobbyists who rely on EF Johnson VP400, VP600 or VP900 radios and need extended runtime and robust environmental protection. Field technicians, event staff, and outdoor crews will appreciate the higher capacity and IP68 rating that keep radios working longer and surviving adverse conditions.

Those who primarily use their radio for short periods or have a dedicated charging routine at a base station may not need the added capacity or rugged rating; casual users with minimal runtime demands could opt for smaller, lower-capacity packs instead.

Pros & Cons

Pros

• High 4400 mAh capacity increases operational time between charges for intensive users.
• IP68 rating provides solid protection against dust and temporary immersion.
• Includes belt clip for convenient carry and quick access on the job.
• One year manufacturer warranty gives added peace of mind for service users.

Cons

• Li-Ion packs of this capacity add weight compared with smaller batteries, which some users may notice during extended wear.
• Replacement is specific to EF Johnson VP400/VP600/VP900 models and will not fit other radio lines.

Specifications

Compatibility	EF Johnson VP400, VP600, VP900
Replaces	OEM 587-5700-374
Voltage	7.4V
Capacity	4400 mAh (32.6 Wh)
Chemistry	Li-Ion with Japanese cells
Ingress Rating	IP68
Included Accessory	Belt clip (CL8299)

Our Verdict

The Two Way Radio Battery replacement is a solid, practical upgrade for users who need dependable extended runtime and environmental protection for EF Johnson VP400/VP600/VP900 radios. Its high capacity, IP68 rating and included belt clip make it good value for professionals who need fewer battery swaps and durable operation in the field.

Frequently Asked Questions

Will this battery fit my EF Johnson VP600?
Yes, it is specified to replace the OEM 587-5700-374 and fits VP400, VP600 and VP900 models.

Is the battery waterproof?
The pack carries an IP68 rating, offering protection against dust and temporary immersion in water.

Does it come with a warranty?
Yes, the battery includes a one year manufacturer warranty against defects.