What exactly makes these "high capacity"? Isn't 800 mAh standard?

Duracell and Energizer alkaline AAA batteries are 1150 and 1200 mAh respectively, so claiming 850 mAh is high capacity is deceptive.

what type of charger do you recommend?

XTAR. Check them out. Great chargers.

Have anyone measured the AAA High-Capacity ones? 800 mah is not high capacity so I wonder if Amazon's description is in error.

I ran a batch of four brand new Amazon Basics High-Capacity AAA batteries through four passes of Refresh/Analyze on a MAHA MH-C9000 charger with a 400ma charge / 200ma discharge rate. All cells exceeded the 800 mahr rating on the cells but one was below the advertised 850 mahr on the first cycle. All improved with additional cycles as has been reported by others. The final numbers were 893 mahr, 863 mahr, 852 mahr and 867 mahr.Normal capacity AAA low discharge nimh's are rated at 750 mahr. The 800 mahr rating is considered high capacity for a AAA cell. The highest capacity low discharge nimh AAA cell I can find is rated at 950 mahr but they cost a lot more than these cells. These Amazon Basics are good value for the money.

Can these be recharged using a standard "Energizer" NiMH battery charger?

I have had no problems with either the Duracell or Energizer battery chargers. As long as your charger is NiMH compatible you will not have any problems. Your charger should have a label which tells you what battery types it is compatible with.

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Amazon Basics 4-Pack Rechargeable AAA NiMH High-Capacity Batteries, 850 mAh, 1.2V, Recharge up to 500x Times, Pre-Charged

Product ID: 49261450

Details

Battery capacity
850
Battery cell composition
NiMH
Brand
Amazon Basics
Number of batteries
4 AAA
Recommended uses for product
Camera

⏳80% charge retention for 24 months

🔋850mAh high capacity

♻️Rechargeable up to 500x

€ 12.14

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Description

🔋 Power up smarter, recharge greener, and never miss a beat!

POWER THAT LASTS - 850mAh capacity fuels your devices longer, so you stay productive without constant swaps.
READY OUT OF THE BOX - Pre-charged and frustration-free packaging means instant power, no waiting required.
RELIABLE BACKUP POWER - Low self-discharge keeps 80% capacity for 2 years, perfect for emergency or backup use.
UNIVERSAL COMPATIBILITY - Ideal for high- and low-drain devices—your go-to power solution for work and play.
ECO SMART RECHARGEABILITY - Recharge up to 500 times—cut waste, save money, and lead the sustainability charge.

Amazon Basics 4-Pack Rechargeable AAA NiMH Batteries deliver 850mAh of reliable power with up to 500 recharge cycles. Pre-charged and low self-discharge, they maintain 80% capacity for 24 months, making them perfect for a wide range of devices. Packaged for easy use, these batteries combine eco-friendly savings with consistent performance, ideal for professionals and everyday users alike.

Specifications

ASIN	B00HZV9XKU
Antenna Location	Camera
Battery Capacity	850
Battery Cell Type	NiMH
Best Sellers Rank	24 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2 in Rechargeable Household Batteries
Brand Name	Amazon Basics
Compatible Phone Models	All
Country of Origin	Malaysia
Customer Reviews	4.5 4.5 out of 5 stars (97,968)
Global Trade Identification Number	00841710105148
Item Dimensions	10 x 10 x 44 millimetres
Item Weight	0.43 Ounces
Manufacturer	Amazon
Model Name	AAA
Model Number	HR-4UTHA-AMZN (4P)
Number of Batteries	4 AAA batteries required.
Reusability	Rechargeable
UPC	841710105148 840095888646
Unit Count	4.0 count
Voltage	1.2 Volts

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€ 12.14

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered 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 Portugal.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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3 days ago

Abdullah B.

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