Panasonic

Panasonic P-P501PA/1B Replacement Phone Battery

Name: Panasonic P-P501PA/1B Replacement Phone Battery
Brand: Panasonic
SKU: P-P501PA/1B
Rating: 3.9 (58 reviews)

★★★★★3.9 (58 reviews)

Keep Talking with the Panasonic P-P501 Replacement Battery The Panasonic P-P501 is a reliable replacement battery pack designed for Panasonic 900MHz cordless phones. This battery ensures your phone stays powered for extended conversations. It's also compatible with select Cobra, Northwestern Bell...

$9.99*

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*Price sourced from Amazon.com. Last updated:Jul 24, 2026.Price and availability are subject to change.

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Overview

Keep Talking with the Panasonic P-P501 Replacement Battery

The Panasonic P-P501 is a reliable replacement battery pack designed for Panasonic 900MHz cordless phones. This battery ensures your phone stays powered for extended conversations. It's also compatible with select Cobra, Northwestern Bell, and Southwestern Bell phone models. A genuine Panasonic product provides peace of mind and reliable performance.

Specifications:

Voltage: 3.6 Volts
Capacity: 600 mAh
Compatibility: Panasonic 900 MHz phones including KX-TC1400, KX-TC1410, KX-TC1430, KX-TC1520, KX-TC1700, and some Cobra, Northwestern Bell, and Southwestern Bell phones.
Dimensions: 1.75 x 1.5 x 0.5 inches
Weight: 2.4 ounces (as shipped)

Key Features

Replacement battery for Panasonic 900 MHz phones

Works with Panasonic KX-TC1400, KX-TC1410, KX-TC1430, KX-TC1520, KX-TC1700

Also works with some Cobra, NW Bell, and SW Bell phones

It is 3.6 volts, 600 mA

It has 90-day warranty

Specifications

Compatibility (Panasonic)

KX-TC1400, KX-TC1410, KX-TC1430, KX-TC1520, KX-TC1700

Compatibility (Other Brands)

Some Cobra, NW Bell, SW Bell phones

Voltage

3.6 volts

Capacity

600 mA

Warranty

90-day

Frequently Asked Questions

Which Panasonic phone models is this replacement battery compatible with?

This replacement battery works with Panasonic KX-TC1400, KX-TC1410, KX-TC1430, KX-TC1520, and KX-TC1700 900 MHz phones.

Can this battery be used with other phone brands besides Panasonic?

Yes, this battery is also compatible with some Cobra, NW Bell, and SW Bell phone models.

What are the voltage and milliampere ratings of this battery?

The battery is rated at 3.6 volts and has a capacity of 600 mA.

What is the warranty period for this replacement battery?

This Panasonic replacement phone battery comes with a 90-day warranty from the date of purchase.

Is this battery suitable for newer cordless phone systems?

No, this battery is specifically designed as a replacement for older Panasonic 900 MHz phones and select compatible models from other brands.

What Buyers Say

3.9 ★★★★★58 Amazon ratings

👍 Pros

Designed as a direct replacement, ensuring compatibility with specified Panasonic 900 MHz phone models.
Offers broad compatibility beyond Panasonic, also working with certain Cobra, NW Bell, and SW Bell phones.
Provides a standard voltage of 3.6 volts and a capacity of 600 mA, consistent with original specifications.
Comes with a 90-day warranty, providing a period of coverage for potential defects or issues.

👎 Cons

The 90-day warranty period is relatively short compared to some electronics accessories, which might be a concern for long-term reliability.
This battery is specifically for older 900 MHz cordless phones, limiting its application to modern cordless phone systems.
The 600 mA capacity might be considered standard for its era but could be a limitation for very extended talk times.
It is important to verify compatibility with specific Cobra, NW Bell, and SW Bell models, as it works with "some" phones from these brands.
Performance details, such as estimated talk time or standby time after a full charge, are not provided.