How long does the batteries that come with it last between charges?

This depends on what you're using it in. I have one in my Lenovo active pen 2. I charged it once when it arrived almost two months ago and it has yet to finish draining. I use the pen most weekdays for 3-5 hours as I do stuff on zoom. These are nimh batteries (1.2v) so they won't work perfectly in all things that take 1.5v alkaline. And nimh usually have a capacity rating of 50-75% of their alkaline counterparts. So if you were to use it in a flashlight for example, I would expect half the runtime of disposable batteries with a bit less brightness. For most uses, the fact they're rechargable makes up for the capacity.

How do you tell if it's charged? Mine didn't have the indicator light as described.

Mine has a small LED indicator light on top.

This is listed as Prime, so why does it take 5 days to arrive for a Prime member?

Haha, you'll find this as "funny" as I did when Amazon customer service had to explain it to me (for a different product). Prime guarantees "2 day shipping." That does NOT mean it gets shipped immediately. Any 3rd party seller can take however much time they need as long as the method they ship it by is "2 day" delivery. So order it today and one month from now the seller can ship it with overnight and still fulfill "prime" shipping. What a joke right?

Can the usb charger also be used for aaa and aa size nimh batteries? thanks.

You can recharge AAA or AAAA rechargeable batteries with this USB charger.

Smart Aaaa Battery Charger With 2 Counts Rechargeable Aaaa Batteries

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up smarter, play longer, and save the planet.

SMART SAFETY TECH - Auto trickle charge and short circuit protection keep your batteries safe and long-lasting.
LIGHTNING FAST RECHARGE - Get fully powered in just 45 minutes—no more waiting around.
PLUG PLAY CONVENIENCE - Includes smart charger and 2 AAAA batteries with lifetime support—power made effortless.
ENDLESS POWER ZERO WASTE - Recharge up to 1200 times and ditch disposable batteries for good.
PERFECT FOR SURFACE PEN STYLUS - Tailored 1.2V AAAA batteries designed to keep your active stylus ready to go.

The ANVOW Smart AAAA Battery Charger comes with 2 rechargeable 1.2V 400mAh Ni-MH AAAA batteries capable of 1200 recharge cycles. Designed for fast 45-minute charging, it features smart safety functions like heat shedding, short circuit, and voltage detection. Ideal for Surface Pen and active stylus devices, this eco-friendly set reduces waste by replacing disposable batteries and includes lifetime technical support.

Specifications

Amperage	1.5 Amps
Asin	B07Z51KRD4
Battery Charge Time	45 Minutes
Brand Name	ANVOW
Colour	Black
Compatible Devices	Controller
Country Of Origin	USA
Current Rating	200 Milliamps
Customer Reviews	4.5 4.5 out of 5 stars (1,409) 4.5 out of 5 stars
Global Trade Identification Number	08414799579876
Input Voltage	5 Volts
Item Dimensions D X W X H	14.8D x 17.4W x 4.5H Centimeters
Item Weight Unit Of Measure	1.12 Ounces
Manufacturer	ANVOW
Manufacturer Part Number	AAAA/ CP-C-001
Model Number	AAAA/ CP-C-001
Number Of Ports	1
Output Voltage	1.2 Volts
Specification Met	CE

Reviews

User

Pile AAAA rechargeable

Bien,c’est ce que je voudrais et que je cherchais depuis un peu de temps

21.11.2020

User

Nice little charger

Works a treat, easy to use and takes little time to charge A*Recommend, great value.

21.09.2025

User

Carica stilo AAAA e Stilo

Il caricabatterie funziona sia collegato ad una porta del PC che ad un caricabatterie da cellulare. E' veloce a caricare e facile da usare. Le Stilo AAAA sono perfette per la penna del tablet

8.01.2020

User

Todo bien

Tal como se anuncia

18.05.2026

User

Passend für meinen Microsoft surface pen

Hab die Batterien für den Microsoft surface pen gekauft und finde es klasse, dass ich sie direkt mit dem USB Ladegerät am Laptop wieder aufladen kann. Eine Batterie ladung hält ewig und ich muss mir keine Gedanken um Ersatzbatterien machen.

18.11.2021

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$71.87

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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Smart AAAA Battery Charger with 2 Counts Rechargeable AAAA Batteries - Ni-MH 1.2V 400mAh 1200 Cycles Surface Pen Active Stylus Rechargables Battery

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