Kastar 4-Pack HHR-P104 Battery Replacement for Panasonic KX-TG5421S KX-TG5421W KX-TG5422M KX-TG5423M KX-TG5428B KX-TG5428R KX-TG5428RD KX-TG5431S KX-TG5431W KX-TG5432B KX-TG5432M KX-TG5433M KX-TG5436M
Kastar 4-Pack HHR-P104 Battery Replacement for Panasonic KX-TG5421S KX-TG5421W KX-TG5422M KX-TG5423M KX-TG5428B KX-TG5428R KX-TG5428RD KX-TG5431S KX-TG5431W KX-TG5432B KX-TG5432M KX-TG5433M KX-TG5436M
Hero image 0 of Kastar 4-Pack HHR-P104 Battery Replacement for Panasonic KX-TG5421S KX-TG5421W KX-TG5422M KX-TG5423M KX-TG5428B KX-TG5428R KX-TG5428RD KX-TG5431S KX-TG5431W KX-TG5432B KX-TG5432M KX-TG5433M KX-TG5436M, 0 of 4
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Kastar 4-Pack HHR-P104 Battery Replacement for Panasonic KX-TG5421S KX-TG5421W KX-TG5422M KX-TG5423M KX-TG5428B KX-TG5428R KX-TG5428RD KX-TG5431S KX-TG5431W KX-TG5432B KX-TG5432M KX-TG5433M KX-TG5436M

4.5 stars out of 22 reviews
(4.5)|
22 ratings

Key item features

  • High Capacity: No longer to worry about the endurance of the batteries, Kastar high capacity battery will provide ultra strong power for your devices to performance well and operate longer.
  • Battery Specification: Battery Type: Ni-MH; Battery Voltage: 3.6V; Battery Capacity: 1000mAh.
  • Safety Assurance: Kastar add mix-protection additive to the cathode of batteries, protect the material from degradation in the progress of charge and discharge, extend lifespan up to 1200 cycles.
  • Low self-discharge: Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so Kastar batteries will holds power longer than others.
  • Environmental Protection: Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure.
Current price is $10.39
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Columbus, 43215
Arrives by Tue, Apr 21
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Sold and shipped by Kastar USA IncPro Seller
4.623847572218808 stars out of 5, based on 1627 seller reviews(4.6)
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4.5 out of 5 stars
stars22 ratings16 reviews
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Showing 1-3 of 16 reviews

Sep 15, 2025
jack
Item details
Size: 2-PACK
Sold byKastar USA Inc
5 out of 5 stars review

Verified Purchase

Came fast and was excellent

Incentivized Review
Helpful?5687QSNQMXP4575407236
Sep 24, 2025
Robert
Item details
Size: 2-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

Verified Purchase

Kastar 2-pack cordless phone batteries

Quick shipping, exactly what I needed. Fit our cordless phones like originals. Happy with purchase.

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Helpful?5687QSNQMXP4575407236
Oct 4, 2025
Tristan
Item details
Size: 2-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

Verified Purchase

Perfect Fit.

The battery was the perfect fit for the cordless phone. Phone is working good now.

Incentivized Review
Helpful?5687QSNQMXP4575407236