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POWEROWL

POWEROWL 8 Bay AA AAA Battery Charger, USB High-Speed Charging, Independent Slot, for Ni-MH Rechargeable Batteries, No Adapter

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Condition: New
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Availability: 20 left in stock
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Arrives Sep 13 – Sep 18
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Size: 1 Pack


Features

  • POWEROWL smart charger passed US safety certification comes with chip control, when the battery is fully charged, it will automatically stop charging, and with LED indicator. (NOTE) only compatible with NiMH or NiCD AA and AAA rechargeable batteries.
  • Scientific and reasonable battery charging position design, high quality materials effectively protect the battery from normal charging
  • Charge any number of AA AAA rechargeable batteries to make your charging easier. It is recommended to use a 5V/2A plug.
  • With a USB input interface, you can use a laptop, car charger, mobile phone charger, etc. to charge the battery
  • AA AAA batteries charger uses trickle charge to extend battery life and charge up to 99%. Please read the instruction manual carefully before use.

Description

High Capacity, Long-lasting Power High Capacity Premium Alkaline Battery Charging in pairs is bad for battery lifespan in the long run. This is because even if you start with same brand of recharge batteries, there is always some difference in their capacities. When you charge two unequal cells in a pair, the one with lower capacity ends up being over-charged, which further reduces its capacity over time. So your overall battery capacity will deteriorate much faster. Trickle charged mode will help maximize the capacity of battery to full Output: 250mA/Pcs; Input: DC 5V 2A The smart charge function on chargers checks the charging conditions of the batteries, the temperatures of both the batteries and the charger, etc. This allows the charger to individually charge each battery under the best conditions. Powerowl charger can quickly detect damaged batteries. The red indicator light will flash. The red light flashes for more than 15 seconds, please move the non-rechargeable battery in time Repair damaged batteries within 15 seconds. The flashing red light stops flashing. Powerowl patented technology, only the 2021 version of the charger has this function.

Brand: POWEROWL


Color: Black


Product Dimensions: 3.1"D x 6"W x 1.1"H


Item Weight: 5.6 ounces


Output Voltage: 1.4 volts


Output Voltage: 1.4 volts


Input Voltage: 5 volts


Battery Charge Time: 10 hours


Current Rating: 0.5 A


Amperage: 250 milliamps


Compatible Devices: AA /AAA Battery


Connector Type Used on Cable: USB


Number of Ports: 8


Item Dimensions D x W x H: 3.1"D x 6"W x 1.1"H


Item Weight: 5.6 ounces


Specification Met: certification


Brand: POWEROWL


Mfr Part Number: 5824023546


Number of Items: 1


Manufacturer: Shenzhen Wang Xiong Digital Technology Co., Ltd


Unit Count: 8 Count


Built-In Media: 1*Powerowl smart batteries charger 1*USB charging cable（micro） 1*charger User Manual


Model Number: ZN825E


Warranty Description: Manufacturer warranty for 18 months from date of purchase.


Color: Black


Frequently asked questions

The independent slot feature on the Powerowl 8 Bay Charger allows each battery to be charged separately and independently. This means you do not need to charge all batteries at once or in pairs, you can insert any number of batteries and the device will charge them individually.

No, the Powerowl 8 Bay Charger does not require an adapter. It uses USB high-speed charging technology, so you can simply connect it to any device with a USB port, such as a laptop or power bank, to charge your batteries.

The Powerowl 8 Bay Charger is compatible with Ni-MH and Ni-CD rechargeable batteries. It can charge both AA and AAA sizes.

The high-speed charging feature of the Powerowl 8 Bay Charger allows batteries to be charged faster than conventional chargers. Its USB connection enables faster power delivery to the batteries, reducing the overall charging time.

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Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The POWEROWL 8 Bay AA AAA Battery Charger, as reviewed by multiple users, presents a mix of benefits and drawbacks. Users appreciate its ability to accommodate and independently charge both AA and AAA batteries, noting the convenience and speed of charging. However, it is not without faults; there are issues with incompatibility with certain battery brands, inconsistent performance, and durability concerns.

Pros

  • 🔋 Versatility in charging both AA and AAA batteries
  • 👥 Proactive customer support
  • ✔️ Ability to charge a set or single batteries independently
  • 🧐 Fault detection feature
  • 💵 Affordable

Cons

  • 🏗️ Quality and durability concerns
  • ❌ Incompatibility Issues with certain battery brands
  • 📊 Inconsistent performance
  • 🔊 Noisy operation
  • ⚡ Requires USB power supply

Should I Buy It?

The POWEROWL 8 Bay AA AAA Battery Charger is a worthwhile consideration for those looking for an affordable and versatile battery charger, offering the added convenience of independent charging slots. However, be aware of its noted drawbacks, including quality concerns and inconsistent performance. If these potential issues align with your tolerance for risk, this charger might be a suitable purchase.

    • An excellent charger that works very well
Size: 1 Pack
This charger may be inexpensive but it's actually a really good deal for the price. It provides two charging outputs based on the number of inserted batteries. 1-4 batteries: 500mAh | 5-8: 250mAh If I'm in need of a quicker charge I'll just insert 1-4 and the charging times are half the time of 5-8 batteries. The charging time depends on the capacity of your NiMH batteries. I use 2800mAh AA and 1100mAh AAA EBL high capacity LSD (Low Self Discharge) batteries with this device. I find the output current acceptable and preferable. The higher the current you put into batteries when charging the more damage is done over time and they'll be much hotter during charging - contributing to even more damage. Lower currents, or trickle charging batteries, will allow them to reach their full rated cycle count. While it seems inconvenient to have to wait hours to charge, just remember that it's worth the wait in saved batteries. I'm not sure what the "damaged" battery fix feature does. We don't currently have any "damaged" batteries and the manual states this feature is only for batteries that were deeply discharged beyond the acceptable limits. I guess if this ever happens to us we'll see if that mode actually does anything. This charger heats up a good bit when charging batteries. Keep it on a solid surface to allow the heat to dissipate better. Don't place it on your carpet. Put it on a table or something with good airflow. What I do to compensate for the longer charging times is to have enough batteries on hand that I always have some ready and charged to swap into my devices while I charge the depleted ones. It's common and easy to find LSD (Low Self Discharge) NiMH batteries and I highly recommend people only purchase batteries with low self discharge. For the brand of batteries we use, EBL, we find that the claimed discharge over time is accurate. We use our batteries and swap them often enough that we don't know what that figure would be over very long time frames, but it will vary based on brand and quality. I highly recommend EBL batteries with this charger. They have some of the highest capacities available and a 1,200 cycle count which is above average for their capacity. Well worth the cost and they don't cost much more than cheapo ones. I expect them to last close to the claimed 1,200 cycles, partly thanks to the low charging currents offered by this charger. You can check and measure capacity and charge level with a multi-meter and some electronics knowledge (which I have). Overall this charger is great! Word of caution: don't keep the batteries inserted for long periods of time after they complete charging. A few hours or waiting overnight to take them out isn't a big deal breaker. But don't leave them in their for days or weeks on end. This charger is not designed to handle that and could lead to damage or reduced cycle count. This is also clearly laid out in the manual. My only complaint with this charger is that it heats up quite a bit when charging, especially if charging 8 AA at once. Other than that the smart chip feature appears to be real and works very well. ... show more
Reviewed in the United States on May 24, 2024 by Kourtney Ragland
    • Solid charger + excellent customer service
Size: 1 Pack
I’ve been using the POWEROWL 8-bay charger for both AA and AAA batteries and it’s been reliable. Independent slots, clear LED indicators, and consistent charging with no issues so far. I also had a situation where I needed to contact their support, and they were quick, professional, and helpful. That made a big difference. Overall happy with the product and the service. ... show more
Reviewed in the United States on August 13, 2026 by Jesus Rojas
    • Flawless for 4 years. Then, failed but replaced for free!
Size: 1 Pack
For 4 years, this charger has worked as described - perfectly! Then, suddenly the unit failed. The warranty was only two years. But PowerOwl not only sent a replacement charger but they also sent 8 new AA batteries and sent everything via overnight shipping for NO CHARGE! Boy, I'd buy everything I need from this company if I could. Powerowl, you're the BEST! ... show more
Reviewed in the United States on July 22, 2026 by Scott K.
    • POWEROWL 8-Bay Battery Charger – Simple, Fast, and Works Well
Size: 1 Pack
I’ve been using the POWEROWL 8-bay battery charger for a few weeks now, and it’s exactly what I needed—simple, reliable, and easy to set up. It charges both AA and AAA batteries at the same time, which is super convenient since I use them in all sorts of devices like remotes, toys, and flashlights. The charger plugs into a wall outlet with a USB cable (it comes with the adapter), and once it’s connected, you just pop your batteries in and let it go. There are no complicated settings or apps—just plug, charge, repeat. One thing I really like is how quickly it charges them. With my Amazon Basics batteries (the ones I use most), they’re usually ready in about 2 hours. That’s pretty fast compared to other chargers I’ve tried that can take twice as long or more. It also doesn’t overheat, even when charging a full set of batteries at once. The indicator lights help you track the charge level, so you know when each bay is done without having to check the screen all the time. ... show more
Reviewed in the United States on February 4, 2026 by DB
    • Excellent option for keeping everything charged at home
Size: 1 Pack
A practical, durable, and very easy-to-use charger. Its 8 independent slots allow you to charge AA and AAA batteries simultaneously without any hassle. It feels well-made from high-quality materials. USB charging is fast, and the indicator lights make it easy to check the status of each battery. Compact and highly efficient. ... show more
Reviewed in the United States on August 12, 2026 by fachely
    • Great Value
Size: 2 Pack
Needed to be able to recharge a lot of batteries at once and this works great. Saves a lot of money over having to purchase and dispose of standard batteries constantly.
Reviewed in the United States on August 12, 2026 by Caleb Stalls
    • Defective - did it damage my Eneloops or is it just malfunctioning?
Size: 1 Pack
Review Image by JustTheMessenger
The charger seemed to work at first, although it made the batteries quite toasty at the USB plug end, not quite too hot to hold in my hand, but hotter than is probably good for batteries. I was careful not to mix brands. I’ve been using an Apple brand 12-watt charging adapter which I understand may be a bit slow, but it was typically taking overnight to charge 3-8 AA batteries that were not even completely depleted. Unfortunately, I can’t use a USB-C charging adapter, because I don’t have a USB-C to micro-USB cable, and I don’t want to buy one for this single purpose. I was getting 12-15 hours of use out of the batteries before the voltage drop dimmed the LED light strings I was powering. I don’t know if that charging time is out of spec, but I wish it were clearer in the instructions what kind of charging adapter to use, and the performance that could be expected. The micro-USB jack feels fragile, so I’ve only been unplugging it at the power source end, which isn’t ideal either, because the USB plug still sticking out means it can’t be stored in its original box for safekeeping. (I just realized I could cut a slot in the box for the plug, but there have been other problems; read on.) One of my admittedly old Eneloops kept reading defective so I set it aside. I accepted the slow charging for the time being and the charged batteries seemed to be working fine through the holidays. Today, I come to check on the batteries I left to charge overnight, and all 6 occupied bays are flashing red. According to the instructions sheet, it means the battery is defective, or some other charging fault. I removed the batteries, cut the power to the charger, and re-inserted them after letting it reset. The bays are showing solid red now, so I think the batteries are charging now. It leaves me wondering whether I should retrieve the first “defective” battery and try it again in a different charger. This charger was inexpensive and has good features for the price, even without the ability to charge directly from A/C power, but the unit I have doesn’t seem reliable. My past experience with Powerowl after-sales support was good (coin batteries near impossible to remove from the packaging without power tools), so I’ll definitely let them know about the problem, and if my Eneloops were actually damaged. ... show more
Reviewed in the United States on December 31, 2024 by JustTheMessenger
    • Works great
Size: 1 Pack
Works great to cahrge batteries and also revive ones that I thought were damaged due to another cahrger giving me a blinking red light during the charging process. Recommend.
Reviewed in the United States on August 22, 2026 by Candace L. Kosior

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