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 8-Pack Rechargeable AAA NiMH High-Capacity Batteries, 850 mAh, 1.2V, Pre-Charged, Hold Charge, Ready to Use, Recharge up to 500x Times

Amazon Basics 8-Pack Rechargeable AAA NiMH High-Capacity Batteries, 850 mAh, 1.2V, Pre-Charged, Hold Charge, Ready to Use, Recharge up to 500x Times

Product ID: 3654750

Details

Battery Capacity
850
Battery Cell Composition
NiMH
Brand
Amazon Basics
Number of Batteries
8 AAA
Recommended Uses For Product
Camera

⏳80% charge retention for 24 months

🔋850 mAh high capacity

♻️Rechargeable up to 500x

Details

Battery Capacity
850
Battery Cell Composition
NiMH
Brand
Amazon Basics

Description

🔋 Power up smarter, recharge greener, and never run out of juice!

POWER THAT LASTS - 850 mAh capacity fuels both high- and low-drain devices with reliable energy.
READY WHEN YOU ARE - Pre-charged and ready out of the box for instant device power-up.
LONG TERM RELIABILITY - Maintains 80% charge even after 2 years of storage—no more dead batteries in drawers.
ECO SMART RECHARGEABILITY - Recharge up to 500 times—save money and reduce waste effortlessly.
FRUSTRATION FREE PACKAGING - Easy to open and store, designed for your busy lifestyle.

Amazon Basics 8-Pack Rechargeable AAA NiMH Batteries deliver 850 mAh of high-capacity power, pre-charged and ready to use. Designed for versatility across high- and low-drain devices, these batteries recharge up to 500 times with minimal capacity loss, maintaining 80% charge for up to 24 months. Packaged frustration-free for easy access and storage, they offer a cost-effective, eco-friendly alternative to disposables.

Specifications

ASIN	B00HZV9YE0
Antenna Location	Camera
Battery Capacity	850
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Best Sellers Rank	#621 in Our Brands ( See Top 100 in Our Brands ) #19 in AAA Batteries
Brand	Amazon Basics
Customer Reviews	4.6 out of 5 stars 95,284 Reviews
Global Trade Identification Number	00841710105155
Item Dimensions	0.4 x 0.4 x 1.74 inches
Item Weight	0.43 Ounces
Manufacturer	Amazon
Model Name	Rechargeable batteries
Model Number	HR-4UTHA-AMZN (8P)
Number of Batteries	8 AAA batteries required.
Recommended Uses For Product	Camera
Reusability	Rechargeable
UPC	841710105155
Unit Count	8 Count
Voltage	1.2 Volts

Reviews

T**S

26.04.2026

A**D

20.08.2024

C**.

9.12.2025

I**N

28.07.2023

J**.

19.04.2026

J**E

29.03.2026

M**S

17.04.2026

L**A

30.04.2026

J**L

9.02.2024

C**R

4.02.2026

C**N

3.02.2026

W**C

27.03.2026

I**N

11.01.2026

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