Does it matter which side is up? My other battery had instructions for which side up and down.

No, it doesn't matter and It’s not important. Because the battery will be side up. Just insert the plug first, then put way the battery. The writing will be side up. By the way, when you order the replacement battery, please clearly check the part number or order according to the detail phone model. Or compare the battery Size & Connector type. To make sure the right type. Hope this will help you! Sincerely, iMah Customer Support

What size are these in mm?

This Ryme B1-1 battery are made of 2 standard AAA size battery cells. The size is about 43.6mm. Also, Please kindly check if the connector is same with yours. Hope this helps you! Thank you! Sincerely, iMah Customer Support

Will these batteries work with my phone - at&t model #tl96273? the battery in my phone is bt183342 and is 2.4v 400mah.

Yes, we confirm these Ryme B1-1 batteries can work with your AT&T TL96273 cordless phones. they can replace of your original at&t battery bt183342/bt283342 2.4v 400mah battery pack without any problem. Of course, the other 600mAh one is also compatible with your phone. Hope this will help you a little! Sincerely, iMah Customer Support

What battery will fit my phone D1680?

Our Ryme B4 BT1021 battery fits your Uniden D1680 phone. Link: https://www.amazon.com/iMah-BT-1021-BBTG0798001-Compatible-Telephone/dp/B00S6H9U00/ref=sr_1_27?ie=UTF8&qid=1538922634&sr=8-27&keywords=D1680 Hope this will help you a little! Sincerely, iMah Customer Support

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iMah BT183342/BT283342 2.4V 400mAh Ni-MH Battery Compatible with AT&T CL82207 EL52100 EL50003 VTech CS6709 CS6609 CS6409 BL102-3 Handset Replace Battery BT166342 BT266342 BT162342 BT262342, 2-Pack

Product ID: 30581223

Details

Battery Capacity
400
Battery Cell Composition
NiMH
Brand
iMah
Number of Batteries
2 AAA

⚡400mAh Capacity

🔄Rechargeable & Reusable

🔋2.4V Ni-MH Power

Description

🔋 Power up your calls, don’t get left on hold!

DUAL PACK VALUE - Two batteries included to double your convenience and save on replacements.
WIDE COMPATIBILITY - Seamlessly fits multiple AT&T & VTech models—perfect fit, no hassle.
LONG LASTING CHARGE - 400mAh capacity ensures extended talk and standby time—stay connected longer.
RELIABLE POWER BOOST - Restore your cordless phone’s battery life with a robust 2.4V Ni-MH pack.
PEACE OF MIND WARRANTY - 2-year free replacement guarantee keeps you worry-free and powered up.

The iMah BT183342/BT283342 is a 2-pack of 2.4V 400mAh Ni-MH rechargeable batteries designed as direct replacements for a wide range of AT&T and VTech cordless phone models. Each battery pack offers reliable, long-lasting power with a compact design and comes backed by a 2-year warranty, ensuring seamless compatibility and extended device life.

Specifications

ASIN	B01GK2N6NO
Amperage	2.4 A
Antenna Location	BT166342/BT266342 BT162342/BT262342 2SN-AAA40H-S-X2, BT183342/BT283342 2.4V 400mAh Ni-MH Battery Pack, VTech AT&T Cordless Telephones (Battery with Rounded-hole Connector), VTech DM221 Baby Monitor
Battery Capacity	400 milliamp_hours
Battery Cell Type	NiMH
Battery Weight	17.5 g
Best Sellers Rank	#102 in Cordless Telephone Batteries
Brand	iMah
Compatible Phone Models	AT&T CL82207 EL52100 EL50003 VTech CS6709 CS6609 CS6409 BL102-3 and more, BT183342/BT283342 2.4V 400mAh Ni-MH Battery Pack, CS5119 CS6409 CS6519 CS6919 CL80100 CL80107 CL80111 CL81114 EL52351 TL90070 and more
Customer Reviews	4.6 4.6 out of 5 stars (6,135)
Included Components	BT183342/BT283342 2.4V 400mAh Ni-MH Battery Pack
Item Dimensions	1.73 x 0.79 x 0.55 inches
Item Type Name	Cordless Phone Battery
Item Weight	18.14 g
Manufacturer	iMahDirect
Model Name	BT183342/BT283342
Model Number	BT183342-400mah
Number of Batteries	2 AAA batteries required. (included)
Reusability	Rechargeable
Unit Count	2 Count
Voltage	2.4 volts
Warranty Description	2-Year Free Replacements of all quality-related issues from iMahDirect

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