Kastar 2-Pack BT-1021 Battery Replacement for Uniden D2997-4 D2997-5 D2997-6 D2998-2 D2998-3 D2998-4 D2998-5 D2998-6 D3097 D3097-2 D3097-3 D3097-4 D3097-5 D3097-6 D3097-7 D3097-8 D3097-9 D3097-10
Kastar 2-Pack BT-1021 Battery Replacement for Uniden D2997-4 D2997-5 D2997-6 D2998-2 D2998-3 D2998-4 D2998-5 D2998-6 D3097 D3097-2 D3097-3 D3097-4 D3097-5 D3097-6 D3097-7 D3097-8 D3097-9 D3097-10
Hero image 0 of Kastar 2-Pack BT-1021 Battery Replacement for Uniden D2997-4 D2997-5 D2997-6 D2998-2 D2998-3 D2998-4 D2998-5 D2998-6 D3097 D3097-2 D3097-3 D3097-4 D3097-5 D3097-6 D3097-7 D3097-8 D3097-9 D3097-10, 0 of 4

Kastar 2-Pack BT-1021 Battery Replacement for Uniden D2997-4 D2997-5 D2997-6 D2998-2 D2998-3 D2998-4 D2998-5 D2998-6 D3097 D3097-2 D3097-3 D3097-4 D3097-5 D3097-6 D3097-7 D3097-8 D3097-9 D3097-10

Key item features

  • Extended Power: Kastar high-capacity batteries deliver ultra-strong power, ensuring devices perform well and operate for longer durations.
  • Precise Specifications: These Ni-MH batteries feature a 2.4V voltage, 300mAh capacity, and dimensions of 44.5 x 20.5 x 10.5mm.
  • Enhanced Lifespan: Mix-protection additives in the cathode prevent material degradation during charging and discharging, extending battery lifespan up to 1200 cycles.
  • Sustained Charge: An embedded seal structure expands crystal lattice space, allowing Kastar batteries to hold power longer due to increased hydrogen capacity.
  • Eco-Conscious Design: Ni-MH eco-friendly cells are free of Hg/Cd/Pb, preventing environmental pollution, and utilize a DBCK steel shell for explosion protection.
  • Broad Compatibility: This 2-pack BT-1021 battery replacement is compatible with numerous Uniden models, including D2997-4, D2997-5, D2997-6, and various DECT series.
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Current price is $6.79
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Columbus, 43215
Arrives by Wed, Apr 29
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Sold and shipped by Kastar USA IncPro Seller
4.623179611650485 stars out of 5, based on 1648 seller reviews(4.6)
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4.8 out of 5 stars
stars17 ratings3 reviews
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Jan 9, 2026
Steven
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Size: 3-PACK
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5 out of 5 stars review

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Product is what was described and fit exactly. Good product.

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Helpful?6YI6KZIYI884292168817
Jan 25, 2026
KP
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Size: 2-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

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Yes Please

The item smells good.

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Helpful?6YI6KZIYI884292168817
Sep 10, 2025
MT
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Size: 2-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

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Phones work.

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Helpful?6YI6KZIYI884292168817