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Description
Mean Well - 155W 12Volt Battery Charger with UPS function.Reliable Power and Seamless Battery Backup in One Unit Ensure uninterrupted operation for your critical systems with the Mean Well AD 155 A, a high performance 151. 55W enclosed power supply that doubles as a battery charger and a DC UPS (Uninterruptible Power Supply). This versatile unit is engineered to power your device while simultaneously charging a backup battery. In the event of an AC power failure, it automatically switches to the battery,
Reliable Power and Seamless Battery Backup in One Unit
Ensure uninterrupted operation for your critical systems with the Mean Well AD-155-A, a high-performance 151.55W enclosed power supply that doubles as a battery charger and a DC UPS (Uninterruptible Power Supply). This versatile unit is engineered to power your device while simultaneously charging a backup battery. In the event of an AC power failure, it automatically switches to the battery, guaranteeing continuous power to your load. It's the perfect all-in-one solution for security systems, emergency lighting, access control, and other applications demanding constant uptime.
Core Features and Benefits
- Integrated UPS Function: Provides a seamless transition to battery power during AC mains failure, ensuring your devices stay online.
- Universal AC Input: Features a universal AC input range of 88-264VAC, making it suitable for global use.
- Dual Output: Delivers a primary 13.8V DC output for your main load and a secondary 13.3V DC output for battery charging.
- Comprehensive Protection: Equipped with robust safety features, including protection against short circuits, overload, over-voltage, battery low conditions, and battery reverse polarity.
- Efficient and Reliable: With an efficiency rating of up to 80%, this unit operates with minimal heat loss and is cooled by free air convection, eliminating the need for a fan. It has undergone a 100% full load burn-in test to ensure maximum reliability.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | AD-155-A |
| Output Power | 151.55W |
| DC Output (CH1) | 13.8V / 10.5A |
| Battery Charging Output (CH2) | 13.3V / 0.5A |
| Input Voltage Range | 88 ~ 264VAC; 124 ~ 370VDC |
| Efficiency (Typ.) | 80% |
| AC Inrush Current (Typ.) | Cold Start: 23A/115VAC, 45A/230VAC |
| Protections | Short Circuit / Overload / Over Voltage / Battery Low / Battery Polarity Protection |
| Working Temperature | -10°C ~ +60°C |
| Safety Standards | UL62368-1, TUV BS EN/EN62368-1, EAC TP TC 004 approved |
| EMC Standards | EN55032 class B, EN61000-3-2,3 |
| Dimensions (LxWxH) | 199 x 110 x 50 mm (7.83" x 4.33" x 1.97") |
| Weight | 0.88 kg (1.94 lbs) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great for tall, slender teenager!
Size: Small, Color: Light Grey, Size: Small, Color: Light Grey
Finding a suit for a tall, slender teenage boy is about as hard as climbing Mt. Everest. Until I found this one!! I was so pleasantly surprised that this suit fit my 15 year old son like a glove. He is 5'10'' and 140 lbs so he needs pants with the proper length and smaller waist. While the waist was slightly big, he didn't need a belt and the pants fell perfectly with a pair of Nike tennis shoes. I ordered a size small and would say the pants were a 32x32 but waist was probably more like a 31. Jacket and vest were a great fit as well. High quality and easy to steam to get the shipping wrinkles out.
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Fantastic suite for the price!
Size: Large, Color: Khaki
I purchased the gray version to evaluate the suit. I ordered a size up based on other reviews and was pleased to discover everything fit well. The jacket fit well around the arms, chest, shoulders, and even my seemingly ever-growing gut. The vest was the same. The pants also fit well around the waist (thanks to the expanding waistband) butt, and thighs. The only problem was the pants were about 2 sizes too long. Considering the price point, I was felt I was still way ahead after paying to have them altered. After a couple week's worth of wear, I purchased 4 more (gray, black, blue and tan). All fit the same way and were easily altered too. The tailor even had the cashier ask me where I purchased these as he was impressed with the quality.
A couple months in and I'm still pleased, although I've had a few issues. My right pocket on my blue pair has ripped it's seam twice, as has the same pocket on one of my gray pair. Considering it's the same pocket, I would suspect I am just heavy handed but this is not a common problem with any of my other clothes. The pants are a bit on the tighter side when I am sitting down so perhaps the stitching is just not strong enough. I have asked the tailor to give me a super stitch in this area and am just about to pick up the gray pair with this new stitch. I'll try to remember to update later on.
Overall, I feel I have really gotten my money's worth out of these suits, especially considering the prices of others. I have been wearing these daily since June and have gotten many compliments.
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Reviewed in the United States on December 3, 2024
★★★★★ 5
Happy teen for prom. 6'1" 170 lbs medium perfect fit
Size: Medium, Color: Black, Size: Medium, Color: Black
This ended up being a great purchase. My son chose this suit for prom. He made sure to check the reviews and size chart and was very happy with the fit, quality and overall look. He's 6'1", 170 lbs and got a medium. It was perfect.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Great suit at a great value
Size: Large, Color: Black
I have ordered several other suits from the seller for my three boys over the last several years for either their prom, special events and graduations. The fit and value are wonderful. I would definitely recommend this suit if you want something that is classy looking, but won’t break the bank
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Great Suit
Size: Small, Color: Light Grey
Was a little tight in the shoulders but otherwise fit great and looks good.
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Reviewed in the United States on April 30, 2026