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

What buyers think

Buyer-review evidence points to a consistent theme: these batteries tend to resolve the common cordless-phone problem of not holding a charge. Install experiences described in reviews are generally positive, with multiple comments indicating the batteries plug in and function as intended in compatible AT&T cordless phones. Some review text also suggests the replacement can feel slightly different in fit compared with the original battery, but it still connects and works, which indicates the primary differentiator is getting the right compatible battery model.

Who this battery pack is for

This battery is a practical choice if you need a replacement for a compatible AT&T or VTech handset that uses the BT183342/BT283342 battery type (rounded-hole connector style is listed for this pack). It fits well for households that want to revive existing cordless phones instead of replacing the whole system.

Key specs that matter for cordless phone replacements

Electrical requirements

• Voltage: 2.4V
• Capacity: 400mAh
• Cell type: Ni-MH rechargeable

Included in the box

• Quantity: 2 battery packs (AAA*2 configuration)

Battery protection

The product description includes protections for over-voltage, over-current, over-charge, and short-circuit conditions. While battery protection is always a helpful baseline, the bigger day-to-day factor will still be matching the correct battery variant for your handset.

Compatibility checklist (so you do not buy the wrong pack)

Before ordering, confirm these items:

• Your handset’s battery part number (the pack targets BT183342/BT283342).
• The connector type (this pack is described with a rounded-hole #1 connector type).
• The voltage and capacity (2.4V and 400mAh). If your original battery has a different mAh number, you may need a different BT variant.

The compatibility lists are extensive for both AT&T and VTech models, but the safest path is to use the battery label inside the handset, then cross-check to ensure it lines up with this exact BT number.

Pros and cons, summarized

Pros

• Accurate replacement target for BT183342/BT283342 cordless handset batteries.
• Rechargeable Ni-MH format intended for everyday cordless use.
• Buyer feedback commonly describes restored operation in compatible handsets.
• Protection features listed in the product description.

Cons

• Compatibility is not “universal,” so verifying the battery part number and connector type is essential.
• 400mAh capacity may not match your handset if you require a different capacity battery variant.

Verdict: is it worth buying?

If your AT&T or VTech handset uses BT183342/BT283342 (2.4V, 400mAh) and you match the connector style, this 2-pack is a reasonable repair choice. The overall review pattern supports the idea that it can fix the “won’t hold a charge” problem without adding complexity. If you are unsure about the exact battery part number or the capacity rating differs from your original, it is worth taking a minute to verify first, because that is the most likely reason a battery replacement would not work as expected.

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FAQ

Will these work in AT&T CL82207 and EL52100 phones?

They are listed as compatible with multiple AT&T models, including CL82207 and EL52100. To be certain, match your handset’s battery part number to BT183342/BT283342 and verify the connector style.

How can I tell which replacement battery part number I need?

Check the battery label inside the handset or the battery bay. Look for the BT number (for this pack, BT183342/BT283342). Then confirm the voltage and capacity match what your original battery shows.

What do I do if my original battery has a different mAh rating?

If your original battery capacity is not 400mAh, you may need a different BT variant with the correct mAh rating. Using the wrong capacity can lead to disappointing runtime or an improper fit for your handset’s battery design.

Are these batteries rechargeable?

Yes. They are Ni-MH rechargeable batteries in a 2-pack configuration.

Does the pack include two batteries or just one?

This version is sold as a 2-pack, meaning you get two compatible battery packs in the box.

FAQs

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