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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
4.4 ★★★★★
Based on 1270 reviews
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Product Reviews
★★★★★ 5
Great buy!
Color: Storage Cover Black, Size: Rechargeable
Great product. I'm glad I bought this to replace my old, cheap one that I got from Ikea. I like that it has double whisk as it does froth my liquids really well. I like the speed of it and it's easy to use and wash. The battery life is pretty long as well. I haven't charged it since I got it.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Pretty darn good frother...
Color: Storage Cover Black, Size: Rechargeable
This is a pretty darn good frother/whisk, which we use primarily for mixing Crystal Light and LMNT drinks. It holds a charge for a long time and it is easy to recharge with the USB-C port and cable. My only complaint is that you must hold the power button continuously while operating it which is challenging to do using tall cups. It would be much better if is was a two stage on-off switch and had a longer wand, which isn't as long as it could be. But the unit is lightweight, easy to use and very versatile. Overall, I would buy it again.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Works great!
Color: Storage Cover Black, Size: Rechargeable
I bought this because the frother I had was very weak. Even with new batteries, it just never had much oomph. I liked the idea of it being rechargeable and no more batteries!
I expected to have to charge it when it came, but it had full power. I have used it every day since it arrived, and it hasn't slowed down a bit. It is easy to use, just pushing down with my thumb on the top. I also love that it has a lid/case. When I bring it on a trip it is fully protected from damage.
I highly recommend this frother. It is the best one I have had - and I have had quite a few.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Works way better than its price would suggest
Color: Storage Cover Black, Size: Rechargeable
A family member got frothed milk in their coffee and loved it, so they started doing it at home. They were using a wand mixer which is great at splashing milk all over creation but not very good at actually frothing it.
I asked them what kind of frother they wanted and they gave me 2 criteria: Rechargeable, and inexpensive. They didn't want to spend a lot on something they might not like or might outgrow, and they didn't want to constantly be looking for batteries.
This frother fits the bill. It recharges with a regular USB-C cable and comes with a short one (but not a wall plug so make sure you have one of those). It was also less than $11 delivered so not a lot to gamble on an occasional-use gadget.
Does it work? Absolutely, and a lot better than I ever thought it would. I was given a demonstration and in 10 seconds I saw a small cup of half and half turn into frothy foam. I'll admit, it does taste pretty good in coffee.
I 3D printed a stand to hold the mixer upright on the counter. Otherwise the base is too small and it tips over. That's not a complaint, just an observation. If you want it to stand upright, you'll have to do something similar. Otherwise, this thing is a good combination of simple, inexpensive, and effective.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great Milk Frother for Coffee Lovers
Color: Storage Cover Black, Size: Rechargeable, Color: Storage Cover Black, Size: Rechargeable
I’m really happy with this electric milk frother. It is easy to use, rechargeable, and makes rich, creamy foam in just a few seconds. It works great for coffee, lattes, cappuccinos, and even hot chocolate. The design is sleek and comfortable to hold, and it is very easy to clean after use. The battery lasts well, and I like that I don’t need disposable batteries. Overall, this is a great product for anyone who enjoys making coffee drinks at home. Highly recommended!
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Reviewed in the United States on May 9, 2026