Kastar LCD Dual Smart Fast Charger & Battery for Canon LP-E4 - High

In this review the Kastar LCD Dual Smart Fast Charger & Battery is assessed for photographers who need reliable power for Canon EOS-1D series bodies. The single biggest reason to consider this kit is its combination of an ultra-high capacity 11.1V 4400mAh replacement battery and an intelligent dual charger that can handle a wide voltage range, letting a working shooter keep two batteries topped fast and monitored via an LCD. It reads like a practical, no-frills solution for long shoots where spare battery life and clear charging status matter.

Key Features

• Ultra-high capacity battery: The 11.1V 4400mAh pack uses high quality Japanese cells to deliver longer runtime with no memory effect so cameras run through long sessions with fewer swaps.
• Dual fast charging: The charger accepts 6.8V-16.8V batteries and can charge two batteries at once, reducing downtime between shoots.
• Intelligent MCU control: The charger automatically identifies battery voltage and switches to intelligent charging to prevent overcharge and improve safety.
• LCD status display: The built-in LCD shows charging status and battery capacity so users can monitor progress at a glance and plan shooting time.
• CC/CV charging with pre-charge: The CC/CV charging profile with pre-charge and 0V activation helps revive deeply discharged Li-ion cells and supports long-term battery life.
• Warranty and compatibility: The kit is described as fully compatible with original cameras and chargers and includes a 30-day money back and 3-year manufacturer warranty for peace of mind.

Who It's For

The Kastar kit is best for professional and enthusiast photographers using Canon EOS-1D C, EOS-1D Mark III, EOS-1Ds Mark III and EOS-1D Mark IV bodies who need extended run time and the convenience of charging two batteries between shoots. Wedding, event, and location shooters who swap batteries frequently will appreciate the capacity and the LCD feedback.

It is less appropriate for casual users with occasional shooting needs or for camera models outside the listed Canon LP-E4 family; users who prefer original-brand batteries for warranty or OEM support may choose the manufacturer's battery instead.

Pros & Cons

Pros

• High 4400mAh capacity provides noticeably longer shooting time per charge compared with many standard packs.
• Dual fast charging and LCD readout reduce downtime and make battery management straightforward during busy shoots.
• Smart MCU and CC/CV charging with pre-charge increase safety and help extend battery lifespan.
• Includes a multi-year warranty for added confidence in purchase.

Cons

• Third-party accessory buyers should accept that it is not the original manufacturer part, which some professionals prefer for brand consistency.
• Charger compatibility is wide but users must confirm plate fit for certain battery shapes before expecting plug-and-play convenience.

Specifications

Product	Kastar LCD Dual Smart Fast Charger & Battery (1 Pack)
Battery model	Compatible with Canon LP-E4 / LPE4
Battery voltage & capacity	11.1V, 4400mAh (48.4Wh)
Charger input range	Supports batteries 6.8V - 16.8V
Charging method	CC/CV with pre-charge and 0V Li-ion activation
Display	LCD shows charging status and battery capacity
Warranty	30-day money back and 3-year manufacturer warranty

Our Verdict

The Kastar LCD Dual Smart Fast Charger & Battery is a practical value choice for Canon LP-E4 users who need extended battery life and reliable, visible charging for two batteries at once. Its high-capacity cells, intelligent charging and multi-year warranty make it a sensible alternative to OEM packs for event and location photographers seeking lower cost per shoot without sacrificing safety or runtime.

Frequently Asked Questions

Is this battery compatible with my EOS-1D Mark IV?
Yes, the pack is listed as compatible with Canon EOS-1D Mark IV and other LP-E4-compatible cameras.

Can the charger charge two batteries at the same time?
Yes, the dual charger can charge two batteries simultaneously and the LCD gives independent status information.

Does the charger protect against overcharging?
Yes, the charger uses MCU control with intelligent charge detection and CC/CV profiles to prevent overcharge and support battery longevity.