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popularRed_Liz | Staff posted Today 03:45 PM
popularRed_Liz | Staff posted Today 03:45 PM

HW 4-Pack AAA USB-C Rechargeable Lithium Batteries w/ 4-in-1 Cable (1300mWh) $9.10 + Free Shipping w/ Prime or $35+ Orders

$9.10

$16

43% off
Amazon
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TIGER HEAD HI WATT BATTERY HK CO LTD via Amazon [amazon.com] has HW 4-Pack AAA USB-C Rechargeable Lithium Batteries w/ 4-in-1 Cable (1300mWh) on sale for $13.99 - 35% off w/ code JSIAXWXT at checkout = $9.09. Shipping is free w/ Prime or $35+ orders.

For Prime Members, this deal currently lowers to $8.64 w/ code JSIAXWXT
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TIGER HEAD HI WATT BATTERY HK CO LTD via Amazon [amazon.com] has HW 4-Pack AAA USB-C Rechargeable Lithium Batteries w/ 4-in-1 Cable (1300mWh) on sale for $13.99 - 35% off w/ code JSIAXWXT at checkout = $9.09. Shipping is free w/ Prime or $35+ orders.

For Prime Members, this deal currently lowers to $8.64 w/ code JSIAXWXT

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Today 04:04 PM
449 Posts
Joined Mar 2016
harley48Today 04:04 PM
449 Posts

Our community has rated this post as helpful. If you agree, why not thank harley48

1300mWh divided by 1.5v = 866mAh.
I've tested a LOT of 1.5v AAA. Most are ~300-400mAh. The BEST, Tenavolt are ~675.
The worst, ALL of them with USB charging are 250-300. That USB port takes up precious room in a very little can.
I fully expect these to be pretty lame.
The HW AA I test WITHOUT a port were ~80% of claimed capacity.

Mine pretty much end up in remote controls. They work well, until they don't.
5
Today 04:17 PM
1,246 Posts
Joined Nov 2005
talkaboutdealsToday 04:17 PM
1,246 Posts
That's interesting. I guess they output a steady 1.5v until the lithium cell hits 3.7v and then just chop the power.
Today 04:19 PM
40 Posts
Joined Feb 2016
SG-CAToday 04:19 PM
40 Posts
Pardon my ignorance here. I have not heard of rechargeable lithium. Do these last a lot longer than regular rechargeables? Outside of the USB aspect - which does seem a little silly.
Today 05:58 PM
407 Posts
Joined Dec 2013
chemgatorToday 05:58 PM
407 Posts

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

Quote from SG-CA :
Pardon my ignorance here. I have not heard of rechargeable lithium. Do these last a lot longer than regular rechargeables?
The point isn't to last longer, it's for devices that benefit from a higher voltage.

I ordered the AA for my blink camera that requires 1.5V. Using regular rechargeables gives a 'low battery' even at 100%.
Last edited by chemgator January 16, 2026 at 11:01 AM.
1
Today 06:03 PM
26 Posts
Joined Jun 2020
CoolMeal292Today 06:03 PM
26 Posts
Quote from SG-CA :
Pardon my ignorance here. I have not heard of rechargeable lithium. Do these last a lot longer than regular rechargeables? Outside of the USB aspect - which does seem a little silly.
These are lion cells like 14350 in AA size. They have a circuit to step down from 3.7v to 1.5 and there are a couple types, some maintain 1.5v until they exhaust their charge, and some that gradually decline like a regular battery. They'll last around 10 years as a general rule. As Harley48 mentioned the capacity is reduced both by the DC to DC transformer and the USB port. Some come with their own charger because they have to recharge through the transformer. This brand adds the USB which is a lot easier to use since you don't need a specific charger you just use a phone charger. My favored brand is Coast. They are an American brand and give you a lifetime warranty. This is good on 2 fronts. 1 they will be recalled if they have problems like fire where these Chinese brands aren't always. And if one fails it will be replaced for as long as you own them
Today 06:56 PM
6,226 Posts
Joined Dec 2004
CaleoToday 06:56 PM
6,226 Posts
Quote from harley48 :
1300mWh divided by 1.5v = 866mAh.
I've tested a LOT of 1.5v AAA. Most are ~300-400mAh. The BEST, Tenavolt are ~675.
The worst, ALL of them with USB charging are 250-300. That USB port takes up precious room in a very little can.
I fully expect these to be pretty lame.
The HW AA I test WITHOUT a port were ~80% of claimed capacity.

Mine pretty much end up in remote controls. They work well, until they don't.
These things claiming 1300mWh smells like total baloney.
Today 06:58 PM
157 Posts
Joined Nov 2019
vns1Today 06:58 PM
157 Posts
The same manufacturer had another deal on AA batteries recently. We learned that it is a reputable brand if nothing else.
It was also an interesting observation that they measure the capacity not in mAh but in mWh.

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Today 07:16 PM
215 Posts
Joined Nov 2024
BeigeCrow552Today 07:16 PM
215 Posts
Quote from harley48 :
1300mWh divided by 1.5v = 866mAh.
I've tested a LOT of 1.5v AAA. Most are ~300-400mAh. The BEST, Tenavolt are ~675.
The worst, ALL of them with USB charging are 250-300. That USB port takes up precious room in a very little can.
I fully expect these to be pretty lame.
The HW AA I test WITHOUT a port were ~80% of claimed capacity.

Mine pretty much end up in remote controls. They work well, until they don't.
I have a bunch of TENERGY AAA NiMH that discharge at 750-800mAh consistently but yeah the USB circuitry eat into the total capacity.
Today 08:01 PM
722 Posts
Joined Apr 2006
gazorpToday 08:01 PM
722 Posts
Code does not work
Pro
Global Mod
Today 08:44 PM
3,129 Posts
Joined May 2008
pur
Pro
Global Mod
Today 08:44 PM
3,129 Posts
Quote from gazorp :
Code does not work
JSIAXWXT seems to still work. Sometimes going through checkout again can help if Amazon is being stubborn.
Pro
Today 08:57 PM
1,839 Posts
Joined Nov 2017
hizzledizzle
Pro
Today 08:57 PM
1,839 Posts
Quote from vns1 :
The same manufacturer had another deal on AA batteries recently. We learned that it is a reputable brand if nothing else.
It was also an interesting observation that they measure the capacity not in mAh but in mWh.
I disagree. A recent thread from these guys had several people getting the wrong item (AAs) and then they changed the Amazon listing, so you couldn't get a replacement for the correct item.

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