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expiredScoobieSnax posted Oct 24, 2025 12:42 AM
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expiredScoobieSnax posted Oct 24, 2025 12:42 AM

8-Pack imuto 1.5V 2500 mWh Rechargeable AA Lithium Batteries w/ 8-Port Charger

w/ Subscribe & Save

$10

$15

33% off
Amazon
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Deal Details
Baimei Tech via Amazon has 8-Pack imuto 1.5V 2500 mWh Rechargeable AA Lithium Batteries w/ 8-Port Charger on sale for $10.99 - 5% with Subscribe & Save = $10.44. Shipping is free w/ Prime or on $35+ orders.

Thanks to Community Member ScoobieSnax for sharing this deal. About this Item:
  • Voltage: 1.5V constant output; outperforms NiMH for high-power devices.
  • Lifespan: 1600 recharge cycles; 2500mWh capacity; 12-year shelf life; low self-discharge.
  • Charging: 2-hour full charge via USB-C (5V/3A); compatible with laptops, car chargers, power banks, adapters (5V/2A+ recommended).
  • Design: USB-C input on charging case; flexible, portable charging.
  • Best For: High-drain devices (2A max discharge): gamepads, VR grips, doorbells, cameras, flashes, locks, mics, toys, clocks, scales, monitors.

Editor's Notes

Written by SaltyOne | Staff

Original Post

Written by ScoobieSnax
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Baimei Tech via Amazon has 8-Pack imuto 1.5V 2500 mWh Rechargeable AA Lithium Batteries w/ 8-Port Charger on sale for $10.99 - 5% with Subscribe & Save = $10.44. Shipping is free w/ Prime or on $35+ orders.

Thanks to Community Member ScoobieSnax for sharing this deal. About this Item:
  • Voltage: 1.5V constant output; outperforms NiMH for high-power devices.
  • Lifespan: 1600 recharge cycles; 2500mWh capacity; 12-year shelf life; low self-discharge.
  • Charging: 2-hour full charge via USB-C (5V/3A); compatible with laptops, car chargers, power banks, adapters (5V/2A+ recommended).
  • Design: USB-C input on charging case; flexible, portable charging.
  • Best For: High-drain devices (2A max discharge): gamepads, VR grips, doorbells, cameras, flashes, locks, mics, toys, clocks, scales, monitors.

Editor's Notes

Written by SaltyOne | Staff

Original Post

Written by ScoobieSnax

Community Voting

Deal Score
+25
Good Deal
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Top Comments

mtm_cc
1284 Posts
510 Reputation
These are 2500mWh not mAh like most how rechargeable batteries are advertised. These would be around 1,667 mAh at 1.5v
ScoobieSnax
1676 Posts
591 Reputation
That's true for all brands of rechargeable lithium AA/AAA sets. They are interchangeable with eachother but can't be charged with standard NiMh/lithium chargers and you can't charge NiMh/standard lithium batteries with these type chargers.

All rechargeable lithium AA/AAA batteries are 3.7v cells with built-in buck converters bringing the voltage down to a constant 1.5v. The charging/discharging/protection circuitry is built into the battery itself. The "charger" is simply acting as a DC power supply, outputting a constant 5v to each cell.
ScoobieSnax
1676 Posts
591 Reputation
Batteries with a fixed voltage output, like these, with boost or buck drivers (the case here, bringing 3.7v down to a constant 1.5v), benefit from mWh ratings as its more accurate. You'd be hard pressed to find rechargeable lithium AA/AAA cells that are not rated this way.

Conversely, NiMH batteries aren't rated in mWh because their voltage drops significantly during discharge, making a single voltage rating misleading for energy storage.

27 Comments

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Oct 24, 2025 12:57 AM
420 Posts
Joined Sep 2016
jmm1122Oct 24, 2025 12:57 AM
420 Posts

Our community has rated this post as helpful. If you agree, why not thank jmm1122

I do not recommend this brand. Bought another charger and battery combo pack, only to find out that you need to use their batteries in their charger and vice versa. Reviews on this item are extremely fishy, too.
4
6
Oct 24, 2025 01:57 AM
1,284 Posts
Joined Mar 2011
mtm_ccOct 24, 2025 01:57 AM
1,284 Posts

Our community has rated this post as helpful. If you agree, why not thank mtm_cc

These are 2500mWh not mAh like most how rechargeable batteries are advertised. These would be around 1,667 mAh at 1.5v
8
Oct 24, 2025 02:12 AM
852 Posts
Joined Nov 2014
elberchoOct 24, 2025 02:12 AM
852 Posts
Quote from jmm1122 :
I do not recommend this brand. Bought another charger and battery combo pack, only to find out that you need to use their batteries in their charger and vice versa. Reviews on this item are extremely fishy, too.
300 reviews, only 151 verified purchases!
Original Poster
Pro
Oct 24, 2025 03:08 AM
1,676 Posts
Joined Jun 2018
ScoobieSnaxOct 24, 2025 03:08 AM
Original Poster
Pro
1,676 Posts

Our community has rated this post as helpful. If you agree, why not thank ScoobieSnax

Quote from mtm_cc :
These are 2500mWh not mAh like most how rechargeable batteries are advertised. These would be around 1,667 mAh at 1.5v
Batteries with a fixed voltage output, like these, with boost or buck drivers (the case here, bringing 3.7v down to a constant 1.5v), benefit from mWh ratings as its more accurate. You'd be hard pressed to find rechargeable lithium AA/AAA cells that are not rated this way.

Conversely, NiMH batteries aren't rated in mWh because their voltage drops significantly during discharge, making a single voltage rating misleading for energy storage.
5
1
Oct 24, 2025 03:12 AM
23 Posts
Joined Nov 2021
FeistyPlant1161Oct 24, 2025 03:12 AM
23 Posts
I worry about nonbranded lithium batteries, given the risk of fire during recharging. Save a bit of money but might lose your house. Personally I won't take that risk. Would just advise anyone buying these to keep a close watch on them while they charge.
Oct 24, 2025 03:22 AM
184 Posts
Joined Mar 2025
fgg1991Oct 24, 2025 03:22 AM
184 Posts
Quote from jmm1122 :
I do not recommend this brand. Bought another charger and battery combo pack, only to find out that you need to use their batteries in their charger and vice versa. Reviews on this item are extremely fishy, too.
it is reasonable cause it is Li not NiH like normal rechargeable battery
Original Poster
Pro
Oct 24, 2025 04:10 AM
1,676 Posts
Joined Jun 2018
ScoobieSnaxOct 24, 2025 04:10 AM
Original Poster
Pro
1,676 Posts

Our community has rated this post as helpful. If you agree, why not thank ScoobieSnax

Quote from jmm1122 :
I do not recommend this brand. Bought another charger and battery combo pack, only to find out that you need to use their batteries in their charger and vice versa.
That's true for all brands of rechargeable lithium AA/AAA sets. They are interchangeable with eachother but can't be charged with standard NiMh/lithium chargers and you can't charge NiMh/standard lithium batteries with these type chargers.

All rechargeable lithium AA/AAA batteries are 3.7v cells with built-in buck converters bringing the voltage down to a constant 1.5v. The charging/discharging/protection circuitry is built into the battery itself. The "charger" is simply acting as a DC power supply, outputting a constant 5v to each cell.
6

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Oct 24, 2025 05:27 AM
783 Posts
Joined Jul 2012
Sam4uOct 24, 2025 05:27 AM
783 Posts
Thank OP, Ordered, I'll give them a try. Curious though, can you charge single batteries, or like 3 at a time.. Most NiMh chargers require a pair of batteries to be charged. Never had Li , wondering if they still need pairs to charge...
1
Oct 24, 2025 11:33 AM
142 Posts
Joined May 2018
beastonprowlOct 24, 2025 11:33 AM
142 Posts
Quote from fgg1991 :
it is reasonable cause it is Li not NiH like normal rechargeable battery
It's true li batteries need their charger
1
Original Poster
Pro
Oct 24, 2025 12:53 PM
1,676 Posts
Joined Jun 2018
ScoobieSnaxOct 24, 2025 12:53 PM
Original Poster
Pro
1,676 Posts
Quote from Sam4u :
Thank OP, Ordered, I'll give them a try. Curious though, can you charge single batteries, or like 3 at a time.. Most NiMh chargers require a pair of batteries to be charged. Never had Li , wondering if they still need pairs to charge...
Yes. With lithiums, each cell charges independent of eachother.
Oct 25, 2025 03:52 AM
119 Posts
Joined Apr 2018
PoorLifeNJOct 25, 2025 03:52 AM
119 Posts
it is fairly common for a new vendor/manufactor to offer full refund via non-amazon chanel in exchange for review. some keeps their review standard, most dont. you just treat them as no review, and focus on 1 or 2 start reviews to see if those issues matter to you.
Oct 25, 2025 05:53 AM
5,264 Posts
Joined Jun 2015
jtree1Oct 25, 2025 05:53 AM
5,264 Posts
So the concensus is that this brand is very questionable?
Pro
Oct 25, 2025 10:56 AM
5,359 Posts
Joined Sep 2006
xpeng
Pro
Oct 25, 2025 10:56 AM
5,359 Posts
In for 1
Oct 25, 2025 11:03 AM
7,557 Posts
Joined Nov 2010
MusicSharkOct 25, 2025 11:03 AM
7,557 Posts
The other brand is $1 cheaper.
1

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Oct 25, 2025 01:03 PM
224 Posts
Joined Dec 2019
TenderCatfish192Oct 25, 2025 01:03 PM
224 Posts
Just spent $10 on 8x AA Energizer one-time use batteries. This seems like a great deal.

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