Kastar LPE4 Replacement Battery 11.1V 4400mAh - Dual Fast Charger Kit

In this review the Kastar LPE4 replacement battery and matching LCD dual fast charger are evaluated for photographers who need long runtime and flexible charging for Canon LP-E4-compatible cameras. The single biggest reason to buy is the battery nd charger combination: a high-capacity 11.1V 4400mAh lithium-ion pack paired with a charger that accepts 110-240V worldwide input and can charge two batteries at once, making it useful for travel and back-to-back shooting sessions. This review focuses on real-world compatibility and reliability rather than marketing claims.

Key Features

• High capacity battery: The 11.1V 4400mAh lithium-ion cell provides substantially longer runtime than many original cells, so photographers can shoot longer between swaps.
• Wide compatibility: Works as a replacement for Canon LP-E4 and US 5751B002 models and is compatible with cameras such as Canon EOS 1D Mark IV and related Mark series bodies.
• Dual fast charging: The included LCD dual fast charger can charge two batteries at the same time, reducing downtime when multiple batteries are in rotation.
• Worldwide input: Charger accepts 110-240V, which makes it convenient for international travel without a separate power converter.
• Intelligent control: The charger includes an MCU that identifies battery voltage and applies CC/CV charging with pre-charge and 0V activation to protect and extend battery life.
• LCD status display: The chargerisplay shows charging status and battery capacity so users can monitor progress at a glance.

Who It's For

The Kastar LPE4 kit is aimed at professional and enthusiast photographers who use Canon EOS 1D series cameras and need dependable extended runtime and the convenience of charging multiple batteries quickly. It suits travelers and event shooters who benefit from the charger's 110-240V compatibility and the LCD feedback during busy shoots.

Budget-conscious buyers who value capacity and convenience will find good value here, while photographers who require official manufacturer support or factory warranties may prefer to source original-brand batteries and chargers. Those using camera models outside the listed compatibility should verify fit before purchase.

Pros & Cons

Pros

• High 4400mAh capacity provides longer shooting time than many stock batteries.
• Charger charges two batteries simultaneously with a clear LCD readout of status and capacity.
• Worldwide 110-240V input and intelligent MCU control improve safety and travel convenience.

Cons

• Replacement battery is third-party rather than factory original, so some users may prefer OEM support or warranty handling.

Specifications

Brand	Kastar
Battery Type	Lithium-Ion
Battery Voltage	11.1V
Battery Capacity	4400mAh
Compatible Battery Models	Canon LP-E4, US 5751B002
Charger Input Voltage	110-240V (worldwide)
Charger Features	LCD status, dual fast charge, MCU intelligent control, CC/CV, 0V activation

Our Verdict

The Kastar LPE4 11.1V 4400mAh battery plus LCD dual fast charger is a sensible choice for Canon 1D-series users who need increased runtime and the ability to charge two batteries quickly while traveling. It delivers clear practical benefits in capacity and charging convenience and represents solid value for shooters willing to use a high-quality third-party power solution.

Frequently Asked Questions

Is this battery compatible with Canon LP-E4 chargers?
The battery is listed as compatible with Canon LC-E4 and LC-E4N chargers and also includes a Kastar LCD dual charger for charging flexibility.

Can I use the charger abroad?
Yes. The Kastar dual charger accepts 110-240V input, so it works with international mains voltages; check plug type or use a local adapter if needed.

Does the charger protect the battery from overcharge?
Yes. The charger uses intelligent MCU control and CC/CV charging with pre-charge and 0V activation to prevent overcharge and help extend battery life.