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 Rechargeable Nickel Metal Hydride Batteries, Set of 4 AAA Batteries (Minimum Capacity of 800 mAh, Can be Used About 500 Times)

Product ID: 731867482

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Details

Number of Batteries
4 AAA
Brand
Basics)
Battery Cell Composition
NiMH
Battery Capacity
800
Recommended Uses For Product
Camera

🔋800mAh high capacity

♻️500 recharge cycles

❄️Reliable in low temps

Description

🔋 Stay powered, stay ahead—never miss a moment!

CHARGE REPEAT - Rechargeable up to 500 times—cut waste and save money effortlessly.
POWER THAT LASTS - High-capacity 800mAh cells keep your devices running longer on a single charge.
READY WHEN YOU ARE - Pre-charged and ready to use straight out of the package—no waiting, no hassle.
SUSTAINABLE SMART - Nickel Metal Hydride chemistry ensures eco-friendly energy with minimal capacity loss over time.
WINTER PROOF PERFORMANCE - Engineered to deliver consistent power even in freezing temperatures—perfect for winter sports gear.

Amazon Basics Rechargeable NiMH AAA batteries offer a robust 800mAh capacity with up to 500 recharge cycles. Designed for immediate use and reliable performance even in cold environments, these batteries maintain 80% capacity after one year of storage. Ideal for cameras and everyday electronics, they combine eco-conscious rechargeability with long-lasting power.

Specifications

ASIN	B00HZV9XKU
Amazon Bestseller	#262 in Electronics ( See Top 100 in Electronics ) #4 in Rechargeable Household Batteries
Antenna Location	Camera
Battery Capacity	800
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Battery Weight	50 Grams
Brand	Amazon Basics
Country of Origin	China
Customer Reviews	4.2 out of 5 stars 91,882 Your Review
Global Trade Identification Number	00841710105148
Item Dimensions	10 x 10 x 44 mm
Item Weight	0.43 Ounces
Manufacturer	Amazon
Model Number	HR-4UTHA-AMZN (4P)
Number of Batteries	4 AAA batteries required.
Recommended Uses For Product	Camera
Reusability	Rechargeable
UPC	841710105148 840095888646
Unit Count	4.0 Count
Voltage	1.2 Volts

Reviews

A**ー

エネループ充電器で問題なく使用できます

エネループ充電器で問題なく使用できています。電池の形状、型式を国内メーカー品のものと比べても遜色ありません。価格も安く、満足しています。

22.02.2026

つ**ぶ

普通に充電できて、普通に使えます。それが大事！

最近は、単四の使用機器が多いので購入。普通に充電できて、普通に使えます。

11.01.2026

お**ふ

電動ミルには使えませんでした

コスパ良くて、各メーカーの充電器に対応していて使いやすいですが、電動ミルに使おうとしたらパワー不足(？)で、使えませんでした。(別の電池では動きました。) それを体重計に使ったら普通に起動したので、パワーがいる電気製品には向いてないかもしれません。リモコンや体重計等、小さい製品に向いています。モノを選ぶので★3とさせてもらいます。充電器は、SANYOのeneloopの物を15年以上使っていましたが、Amazonで買い換えた物を使い始めました。

26.02.2026

夢**助

良い充電電池を購入出来て良かった。

数回充電し、使っていますが、加熱もなく安全性も良いと思います。

7.01.2026

目**！

使える！！

問題なくコスパもいいです！！

11.02.2026

ぴ**ー

電池切れが予備切れのタイミングなんて〜

センサーライトの電池が切れかかってたタイミングで予備がなかった！これなら充電すればわざわざ買いに出る必要なし！充電も直ぐ終わるので楽になりました（笑）どれだけ持つかは、これからですね。

18.02.2026

ヒ**デ

期待どおり

普通に使えるしコスパ最高です。

12.03.2026

R**L

こんなもん？

充電したのにすぐなくなる気がする

1.03.2026

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