Kastar Ultra Fast Charger Kit and Battery Pack for Nikon EN-EL23 - 3X

In this review the Kastar Ultra Fast Charger Kit and Battery Pack for Nikon EN-EL23 is assessed as a practical, budget-friendly solution for photographers who need reliable spare power. The single biggest reason to consider this kit is its fast charging capability: the charger delivers an output that claims to charge batteries over three times faster than a normal charger, which cuts downtime between shoots. The package includes three high-capacity replacement batteries and an intelligent charger with an LCD so users can monitor charge progress and USB output.

Key Features

• Ultra-fast charging: The charger provides 4.2V/8.4V at 1.0A to reduce wait time and restore camera batteries much faster than standard chargers.
• Worldwide input: Support for 110-240V input makes the charger usable on international travel without a voltage converter.
• High-capacity batteries: The included batteries use high quality Japanese cells to offer longer runtime and reduced memory effect compared with lower-grade cells.
• USB output: A 0.6A USB output lets the charger top up small USB devices like phones or tablets in a pinch.
• Intelligent LCD display: The charger shows charging status, battery capacity, charging voltage, and USB output voltage so users can confirm progress at a glance.
• Wake-up and 12V support: A wake-up function revives over-discharged batteries and the charger can accept 12V car power for field charging.

Who It's For

This kit is aimed at DSLR and compact camera owners who use Nikon cameras that accept the EN-EL23 battery and who value reduced downtime between charges. It is particularly helpful for travel photographers, event shooters, and hobbyists who need multiple spares and the convenience of a compact charger with USB passthrough.

Those who need OEM warranties or the absolute smallest charger footprint might look elsewhere; users requiring very fast USB charging for modern phones should not expect high-speed phone charging from the 0.6A USB output. For camera power and backup batteries this kit represents a practical, portable option.

Pros & Cons

Pros

• Faster charge times thanks to the 4.2V/8.4V 1.0A output help keep batteries available for long sessions.
• Three high-capacity replacement batteries increase on-camera runtime and reduce the need to recharge during shoots.
• LCD readout and wake-up function add useful monitoring and recovery for over-discharged cells.

Cons

• The USB output is limited to 0.6A, so it is only suitable for small device top-ups rather than rapid phone charging.

Specifications

Our Verdict

The Kastar Ultra Fast Charger Kit and Battery Pack for Nikon EN-EL23 is a strong value for photographers who need multiple spares and faster recharge cycles. With three high-capacity batteries, a worldwide-compatible charger, and a clear LCD, it reduces downtime and adds convenience for travel and event work. While the USB port is modest, the kit delivers reliable camera power at a competitive price.

Frequently Asked Questions

Will these batteries work in my Nikon that uses EN-EL23?
Yes, the batteries are designed as replacements compatible with cameras that accept the EN-EL23 form factor.

Can I charge a phone from the charger?
Yes, the charger includes a 0.6A USB output suitable for topping up phones and small devices but not for fast charging modern phones.

Does the charger work overseas?
Yes, the charger accepts 110-240V input and can also be powered from a 12V car outlet.