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

⚡1.2V / 400mAh high capacity

🔋Up to 1200 recharge cycles

⏱️Fast 35-45 min recharge

S$47

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power your productivity sustainably with ANVOW AAAA Rechargeables!

ECO CHIC ENERGY - Save thousands of disposables and reduce landfill waste with over 1200 recharge cycles—sustainability meets efficiency.
SMART SAFETY FIRST - Advanced charger tech prevents overheating, short circuits, and switches to trickle charge for max battery lifespan.
POWER THAT KEEPS UP - Rechargeable AAAA batteries deliver consistent 1.2V/400mAh power for your Surface Pen and active stylus needs.
PLUG PLAY CONVENIENCE - Complete kit includes 2 AAAA batteries plus a USB smart charger—ready to power your creative flow anytime.
SPEEDY RECHARGE ZERO DOWNTIME - Get back to work fast with a smart charger that powers up batteries in just 35-45 minutes.

ANVOW’s rechargeable AAAA Ni-MH batteries (1.2V, 400mAh) come with a smart USB charger designed for fast 35-45 minute charging and up to 1200 recharge cycles. Perfectly compatible with Surface Pen and most active styluses, this eco-friendly kit features advanced safety protections and delivers reliable, long-lasting power while reducing environmental impact.

Specifications

ASIN	B07Z51KRD4
Amperage	1.5 Amps
Battery Charge Time	45 minutes
Best Sellers Rank	#21,229 in Electronics ( See Top 100 in Electronics ) #93 in Household Battery Chargers
Brand	ANVOW
Built-In Media	Charger with 2 Rechargeable AAAA Batteries
Color	black
Colour	black
Compatible Devices	Active Pens & Stylus Pens
Connector Type Used on Cable	usb
Current Rating	200 Milliamps
Customer Reviews	4.5 out of 5 stars 1,442 Reviews
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
Item weight	1.12 Ounces
Manufacturer	ANVOW
Mfr Part Number	AAAA/ CP-C-001
Model Number	AAAA/ CP-C-001
Number of Items	2
Number of Packs	2
Number of Ports	1
Output Voltage	1.5 Volts
Output voltage	1.5 Volts
Product dimensions	14.8D x 17.4W x 4.5H centimeters
Specification Met	CE
Specification met	CE
Unit Count	1 Count

Reviews

S**O

Pile AAAA rechargeable

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

21.11.2020

D**S

Neat little charger.

Arrived on time. A usual with Amazon. Both batteries about 50% charged. put them in the usb charger one at a time. Not a fast charger but works. Pleased with my choice.

12.08.2026

S**E

Gut

Super schlanker aaaa Charger der tut was er soll.

13.06.2026

G**I

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

I**A

Todo bien

Tal como se anuncia

18.05.2026

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