Very very fast delivery. midnight ordered and delivered evening. Rigged, and seems like quality product.
Never Miss a Moment – Stay Powered with the Nitecore USN4 Pro
For professional photographers and videographers, staying powered up is essential to capturing every important shot.
- Dual Charging Power: Charge two batteries at once.
- Compact & Travel-Friendly: Easy to pack for on-the-go.
- Perfect Fit for Sony NP-FZ100: Designed exclusively for Sony.
- Real-Time Charge Display: Know battery status at a glance.
- USB Charging Flexibility: Power up anywhere with USB.
- Battery Protection Built-In: Prevents overheating and overcharging.
- Fast Recharge Speed: Less downtime, more shooting.
- Optimized Battery Health: Smart charging extends battery lifespan.
Why Choose the Nitecore USN4 Pro?
Dual-Slot Charging for Maximum Efficiency - Charge two Sony NP-FZ100 batteries at once, so you’re always ready for extended shoots. The dual-slot design lets you keep multiple batteries powered up, ideal for lengthy events or all-day shoots where battery life is crucial.
Fast & Intelligent Charging - Time is of the essence, and the USN4 Pro is engineered for speed. With a 1,000mA charging current per slot, it quickly recharges your batteries to keep up with your demands. The charger’s intelligent charging system adjusts the charge flow, optimizing battery health for long-term use and extended battery life.
Travel-Ready and Compact Design - Lightweight, compact, and easy to carry, the USN4 Pro is designed for photographers and videographers who are always on the move. Slip it into your bag, and enjoy convenient charging wherever your work takes you, whether that’s a bustling cityscape or a remote location.
Comprehensive Battery Health Monitoring - Gain peace of mind with the USN4 Pro’s integrated safety protections. The charger monitors temperature, voltage, and capacity in real-time, alerting you to battery health status and minimizing any risk of overheating or short circuits.
USB Compatibility - With a USB power input, the USN4 Pro can charge from a variety of power sources, including power banks, laptops, and USB wall adapters, giving you unmatched flexibility in how and where you charge.
Experience reliable, fast charging that keeps up with your photography demands.
Avoid Battery Downtime: With dual-slot charging and a high-speed output, the USN4 Pro minimizes your downtime, so you spend less time waiting and more time shooting.
Protects Battery Longevity: Intelligent charging technology optimizes each cycle, extending your battery’s lifespan and keeping them at peak performance.
Perfect for On-the-Go Use: Compact and USB-compatible, this charger is easy to take with you and works with virtually any USB power source.
The Nitecore USN4 Pro gives you the freedom to focus on your work with complete confidence that your batteries are always ready. Don’t let power limits hold you back—stay prepared, stay powered, and keep capturing with the Nitecore USN4 Pro.
Works with these batteries
| Battery | For Camera Models |
| Sony NP-FZ100 | a7 III a7R III a7R IV a7S III a9 (ILCE-9) a9 II a6600 a7C a1 FX3 a7 IV |
TECHNICAL SPECS
| Input | DC 5V/2A or 9V/2A |
| Output | Slot 1 8.4V±1% Slot 2 8.4V±1% |
| Output current | QC Mode: 1200mA*1 (MAX) or 800mA*2 (MAX) Standard Mode: 1000mA*1 (MAX) |
| Dimensions | 125mm x 70mm x 29mm (4.92" x 2.76" x 1.14") |
| Weight | 95g (3.35oz) |
| Download Instruction Manual (PDF) | |
What's In The Box
- 1x USN4 PRO
- 1x USB Charging Cable
You’re Backed by Our 60-Day Ironclad Guarantee
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Try it for 60 days. If it’s not right for you, send it back.
We stand behind our gear. If you’re not happy with your purchase, just return the full package within 60 days and we’ll issue a full refund—no fuss, no forms, no hoops to jump through.
What Happens After You Order
- You’ll get an instant order confirmation email with your receipt.
- We’ll pack your order the next working day and send you a tracking number once it’s on the way.
- From the moment you order to the moment it reaches your hands, we’re here to keep you updated and supported.
When will I receive my gear?
- Singapore: Delivered to your doorstep in 4–6 working days.
- International: Arrive within 10–14 working days.
Returns and warranty
- Every product comes with a 1 to 3-year replacement warranty (depending on the item).
- If anything isn’t working right, just let us know. We’ll make it right.
FREE Gift with Purchase: Limited Edition Ember Shard Whistle
Spend $99 or more today, and we'll automatically include a limited-edition Glow-in-the-Dark Ember Shard Whistle when packing your order.
Charge it quickly under sunlight or your flashlight, and enjoy its subtle glow throughout the night—perfect for marking gear, emergency kits, or attaching to your bag.
Limited quantities. These will be swapped (at our discretion) to other gift items if shards are unavailable.
Customer Reviews
Overall rating: 4.8 / 5 from 4 reviews.
Best Feature(s):Shows charging speed Value For Money:Great Product Quality:Plastic build but overall quality is quite good It's nice that the charging speed is shown It even shows if the battery cell is 'good' or 'bad'
Great dual battery fast charger. Compact form factor and powered by my phone/PC USB-C PD charger. This is super convenient when traveling or on location.
Product looks sturdy and delivery is fast. Well done!
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