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.

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AAAA Batteries, Rechargeable AAAA Batteries for Surface Pen Active Stylus, Ni-MH 1.2V 400mAh AAAA Battery and CP-C-001 Smart Charger Included

AAAA Batteries, Rechargeable AAAA Batteries for Surface Pen Active Stylus, Ni-MH 1.2V 400mAh AAAA Battery and CP-C-001 Smart Charger Included

Product ID: 372474150

Details

Brand
ANVOW
Colour
black
Item weight
1.12 Ounces
Output voltage
1.5 Volts
Product dimensions
14.8D x 17.4W

⚡400mAh high capacity

🌿Eco-friendly Ni-MH chemistry

🔋1200 recharge cycles

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28122CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your productivity sustainably — never run out, never waste!

COMPLETE POWER KIT - Includes 2 rechargeable AAAA batteries + smart charger + lifetime support
LONG LASTING POWER - Up to 1200 recharge cycles means fewer replacements and more savings
ECO CONSCIOUS ENERGY - Cadmium & lead-free design reduces landfill waste and carbon footprint
FAST SMART CHARGING - 35-45 min rapid charge with auto trickle mode for max battery health
PERFECT FOR SURFACE PEN STYLUS - Tailored 1.2V AAAA batteries optimized for precision devices

ANVOW Rechargeable AAAA Ni-MH batteries deliver 400mAh capacity with up to 1200 recharge cycles, paired with a smart charger featuring fast 35-45 minute charging and auto trickle mode. Designed for Surface Pen and active stylus devices, these eco-friendly batteries eliminate toxic metals, reducing environmental impact while ensuring reliable, long-lasting power for your essential electronics.

Specifications

ASIN	B07Z51KRD4
Amperage	1.5 Amps
Battery Charge Time	45 minutes
Best Sellers Rank	#31,061 in Electronics ( See Top 100 in Electronics ) #113 in Household Battery Chargers
Brand	ANVOW
Built-In Media	Charger with 2 Rechargeable AAAA Batteries
Color	black
Compatible Devices	Camera, Clock, Controller, Radio, Remote, Torch, Toy, Universal
Connector Type Used on Cable	usb
Current Rating	200 Milliamps
Customer Reviews	4.5 4.5 out of 5 stars (1,403)
EU Spare Part Availability Duration	7 Years
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	1.12 Ounces
Manufacturer	ANVOW
Mfr Part Number	AAAA/ CP-C-001
Model Number	AAAA/ CP-C-001
Number of Ports	1
Output Voltage	1.5 Volts
Specification Met	CE
Unit Count	1 Count

Reviews

S**O

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

21.11.2020

A**R

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

21.09.2025

C**N

Todo bien y rápido.

4.10.2020

G**I

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

M**.

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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