I need a battery for att b183342 that has 550 mah but can't find one. they only have 400 mah. can i use that or a 700 mah?

MAH (mill amp hours) is a measure of the strength of a battery in time, not the voltage or current it develops while working within its charge capabilities. A 700 mah battery will put out its rated energy a little longer than a 600 mah or a 400 mah battery. It will put out 700 milli-amps for one hour under a specific load for one hour, where a 400 milli-amp battery will put out 400 mill-amps under the same load for one hour until it starts loosing it charge below a set level. You can use either a 400, 550, 600 or 700 mah battery. The only difference is that the larger mah battery will last longer on a charge. In a phone that sits in the cradle and is constantly charged, it should make little difference unless you have super extended conversations.

Are these batteries appropriate for replacing at&t ? 3 piece cordless phone set el52315

We ordered these for AT&T phone set el52351 whick looks very similar to yours, and these batteries fit and work fine. Too bad they only sell these in sets of 2 or 4!

is this the right battery for V-Tech CS6729?

Most of the batteries that are shaped like these work in a wide variety of phones. I have a V-Tech 6719 and it was good in there. Problem is they are all made in China and I could not find one with a USA label. Chinese batteries, in general, can be questionable. If you get 2 years out of it, you are doing fine. They are Nickel metal hydride batteries which is a step above Ni-Cads of days gone by.

do i need to charge these first before using?

Yes if your battery discharges fast or is weak Yes but make sure to give them a 8 hr charge before using them.will charge in the deck.

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BT162342 BT262342 Battery

Product ID: 90448366

Details

Battery Capacity
600
Battery Cell Composition
NiMH
Brand
BAOBIAN
Number of Batteries
1 AAA
Recommended Uses For Product
Phone

⚡600mAh high capacity

🔋2.4V NiMH rechargeable power

♻️Eco-friendly reusable design

NZ$26

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered 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 New Zealand.

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Description

🔋 Stay powered, stay connected—never let your calls drop!

DOUBLE THE VALUE - Pack of 2 batteries means you’re always ready—never miss an important call.
ECO SMART CHOICE - Rechargeable design reduces waste and saves you money over time.
LONG LASTING CHARGE - 600mAh capacity keeps your conversations going without frequent recharges.
POWER UP YOUR CALLS - Reliable 2.4 Volt NiMH battery ensures crystal-clear cordless phone performance.
PERFECT COMPATIBILITY - Seamlessly fits BT183342, BT283342, BT166342, BT266342, and select VTech & AT&T models.

The BAOBIAN BT162342 BT262342 rechargeable NiMH battery pack (2.4V, 600mAh) is engineered for seamless compatibility with popular cordless phone models from VTech and AT&T. Offering eco-friendly reusability and a reliable long-lasting charge, this pack of two batteries ensures your cordless phone stays powered for uninterrupted communication.

Specifications

ASIN	B078W19ZKH
Antenna Location	Phone
Battery Capacity	600 milliampere_hour
Battery Cell Composition	NiMH
Battery Cell Type	NiMH
Battery Weight	20 g
Best Sellers Rank	#10 in Cordless Telephone Batteries
Brand	BAOBIAN
Compatible Phone Models	BT162342 BT262342 Battery, BT183342/BT283342 BT162342/BT262342 BT166342/BT266342, bt162342 bt262342
Customer Reviews	4.7 out of 5 stars 3,940 Reviews
External Testing Certification	Não Aplicável
Item Weight	40 g
Manufacturer	BAOBIAN
Model Name	BT162342 BT262342 Battery
Model Number	BB02162342
Number of Batteries	1 AAA batteries required.
Recommended Uses For Product	Phone
Reusability	Rechargeable
UPC	661596544981
Unit Count	1 Count
Voltage	2.4 volts

Reviews

E**R

Reliable Replacement Battery

This replacement battery is a great option for getting a device back up and running without spending a lot on an original replacement. It was easy to install and fit as expected. So far, it has worked well and holds a charge nicely. A convenient and affordable replacement for the original battery.

27.08.2026

T**Y

Good buy

Exactly as described. Fits well and works good

11.10.2026

L**N

Ez to use & change out

These r great—/just change out old batteries & replace w new ones & ready to use Very ez & the ID # doesn’t hv to be exactly as your old battery—-ours still worked fine Good price for battery

11.10.2026

S**O

Good

What as expected the wires a little longer than the other battery that was in there but as long as it works

16.10.2026

A**R

fit good

working good

23.09.2026

H**A

Resuelven el problema

Muy buenas baterias mi telefono funciona sin problemas

14.10.2026

S**Y

Work well

Bought these for me and my 'sister' as her phones were crackling and she didn't realize it was the battery. Now she has 4 phones that work!

28.09.2026

R**T

The Real AT&T Batteries!

These are the actual batteries AT&T uses in its cordless phones. Work perfectly.

11.09.2026

M**M

Working fine

27.08.2022

R**E

Good Replacement

Good replacement batteries, fits and works well

22.11.2025

A**R

Worked as expected

Item was as advertised

31.08.2026

D**S

Good quality

Quick delivery and product was excellent price

7.07.2026

A**D

C'EST TEL QUE L'ORIGINAL

SUPER

11.03.2025

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NZ$26

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered 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 New Zealand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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