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

Product ID: 148845803

Details

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

⏳65% charge retention after 3 years

🔋850mAh high capacity

♻️Recharge up to 500x

A$27

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Stay charged, stay unstoppable.

POWER THAT LASTS - 850mAh capacity fuels your devices longer, keeping you ahead of the pack.
LONG TERM RELIABILITY - Maintains 65% charge even after 3 years in storage—ready when you are.
ECO SMART RECHARGEABILITY - Recharge these batteries up to 500 times—cut waste, save money, and stay sustainable.
PERFECT FOR EVERYDAY TECH - Ideal for remotes, toys, and all your essential gadgets—never get caught powerless.
SOLAR POWERED PRE CHARGED - Arrives pre-charged using solar energy, so you can start powering up instantly.

Amazon Basics 16-Pack Rechargeable AAA NiMH batteries deliver a robust 850mAh capacity with the convenience of up to 500 recharge cycles. Pre-charged via solar energy and engineered to retain 65% of their charge after 3 years, these batteries combine sustainability with long-lasting performance for all your everyday devices.

Specifications

ASIN	B07NX17HT5
Antenna Location	Camera
Battery Capacity	850
Battery Cell Type	NiMH
Best Sellers Rank	25 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1 in Rechargeable Household Batteries
Brand Name	Amazon Basics
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (97,704)
Global Trade Identification Number	00192233056982
Item Dimensions	10 x 10 x 44 millimetres
Item Weight	0.43 Ounces
Manufacturer	Amazon
Model Name	AAA-Batterien
Model Number	85AAAHC
Number of Batteries	16 AAA batteries required.
Reusability	Rechargeable
UPC	192233056982
Unit Count	16.0 count
Voltage	1.2 Volts

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