Synergy Digital Camera Batteries EN-EL9 Compatible - 5 Pack

Our review of the Synergy Digital Camera Batteries focuses on photographers who need dependable spares for older Nikon DSLRs. These 7.4V, 1400 mAh li-ion replacements come in a five-pack and are aimed at users who want long shooting sessions without hunting for intermittent charging. The bottom line: this set is best for hobbyists and pros who already own cameras that use the EN-EL9 series and value a low-cost multi-battery kit that claims high-quality Japanese cells and a three year warranty.

Key Features

• Compatibility: Works with Nikon EN-EL9, EN-EL9a and EN-EL9e models plus many third-party equivalents so it fits a wide range of camera models.
• Capacity: The 1400 mAh rating provides longer runtime than some original cells, reducing the need to swap batteries during events or travel shoots.
• Voltage: At 7.4V the batteries match the nominal voltage of original batteries for reliable camera operation and predictable performance.
• Pack size: The set of five offers immediate backup power for extended outings or multi-day shoots without carrying bulky chargers.
• Cell quality and warranty: Made with high quality Japanese cells and backed by a three year warranty for added confidence in everyday use.
• Physical fit: Compact dimensions make them compatible with cameras that require the EN-EL9 family, including D3000 and D40 series models.

Who It's For

This pack is ideal for hobby photographers, photo students, or event shooters who use older Nikon D3000, D40, D40X, D40A, D60 and D5000 series cameras and need multiple spare batteries for long days in the field. The five-battery format is also useful for anyone building a kit for travel where charging opportunities are limited.

Those who should look elsewhere include photographers using newer Nikon models with different battery families or professionals who require manufacturer OEM cells with extensive service networks; also avoid this if you need a single high-end OEM replacement rather than a multi-pack of third-party batteries.

Pros & Cons

Pros

• Five-battery pack gives ample backup power for extended shooting without recharging.
• Uses 7.4V, 1400 mAh li-ion cells that are 100% compatible with the specified EN-EL9 series for predictable run time.
• Includes high quality Japanese cells and a three year warranty, which is reassuring for repeated use.
• Physically compact and lightweight, making them easy to carry as spares.

Cons

• As third-party replacements, they may not match OEM long-term lifecycle exactly and some users prefer original manufacturer batteries for heavy daily professional use.

Specifications

Chemistry	li-ion
Voltage	7.4V
Capacity	1400 mAh
Pack Size	Set of 5
Compatible Batteries	Compatible with Nikon EN-EL9, EN-EL9a, EN-EL9e and many third-party equivalents
Compatible Cameras	Nikon D3000, D40, D40A, D40X, D5000, D60
Dimensions	1.42 in x 2.2 in x 0.56 in

Our Verdict

For users of older Nikon DSLRs who need reliable backup power at a budget-friendly price, the Synergy Digital five-pack is a sensible choice because it pairs a practical 1400 mAh capacity with broad compatibility and a reassuring three year warranty. It offers strong value for hobbyists and travelers, while professionals who prefer OEM cells may opt for manufacturer-branded batteries instead.

Frequently Asked Questions

Will these batteries work in my Nikon D40?
Yes, they are listed as compatible with Nikon D40 and other cameras that use the EN-EL9 family.

How long do these batteries last per charge?
Runtime depends on camera settings and use, but the 1400 mAh capacity typically provides comparable shooting time to original EN-EL9 style batteries for general photography.

Is there a warranty?
Yes, the batteries come with a three year warranty as stated by the manufacturer.