Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031
Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031
Hero image 0 of Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031, 0 of 4

Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031

5 stars out of 6 reviews
(5.0)|
6 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: 2.4V; Battery Capacity: 300mAh; Battery Dimensions: 44.5 x 20.5 x 10.5mm (1.75" x 0.8" x 0.4").
  • 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 $9.79
Price when purchased online
  • Free shipping
  • Free 30-day returns

How do you want your item?

How do you want your item?
Columbus, 43215
Arrives between Feb 21 - Feb 23
|
Sold and shipped by Kastar USA IncPro Seller
4.615593220338983 stars out of 5, based on 1475 seller reviews(4.6)
Report an issue with this seller
Free 30-day returns

About this item

Product details

Specifications

Warranty

Warnings

Compare with similar items

Comparison Overview:
Product

Viewing this item

Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031
Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031
current price $9.79
Kastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031
5 out of 5 Stars. 6 reviews
Kastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269
Kastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269
current price $6.99
Kastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269
5 out of 5 Stars. 15 reviews
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
current price $6.79
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
4.7 out of 5 Stars. 11 reviews
New Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)
New Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)
current price $8.99
New Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)
4.6 out of 5 Stars. 31 reviews
Kastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-3
Kastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-3
current price $5.29
Kastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-3
5 out of 5 Stars. 2 reviews
Kastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342
Kastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342
current price $6.99
Kastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342
3.7 out of 5 Stars. 3 reviews
2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515D
2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515D
current price $7.99
2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515D
Kastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209
Kastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209
current price $7.59
Kastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209
4.3 out of 5 Stars. 12 reviews
Kastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3
Kastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3
current price $6.79
Kastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3
5 out of 5 Stars. 3 reviews
Kastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
Kastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
current price $6.79
Kastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
4.5 out of 5 Stars. 21 reviews
Comparison Chart:
Volts2.4 VKastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL00312.4 VKastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-2692.4 VKastar 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 D3097-102.4 VNew Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)2.4 VKastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-32.4 VKastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-2843422.4 V2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515D2.4 VKastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL812092.4 VKastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-32.4 VKastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
Battery capacity300 mAhKastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031650 mAhKastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269300mAhKastar 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 D3097-10300mAhNew Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)300 mAhKastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-31000 mAhKastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342600 mAh2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515D500 mAhKastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209300 mAhKastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3300 mAhKastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
Works withCordless TelephoneKastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031Cordless TelephoneKastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269Cordless TelephoneKastar 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 D3097-10Cell PhonesNew Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)Cordless TelephoneKastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-3Cordless PhoneKastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342-2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515DCordless TelephoneKastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209Cordless TelephoneKastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3Cordless TelephoneKastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
CompatibilityUnidenKastar 4-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Lenmar CBBT1008 CB-BT1008 Dantona BATT-1008 BATT1008 Interstate Batteries ATEL0031 TEL0031UnidenKastar 2-Pack Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 BBTG0645001 BBTG0734001 BBTG0847001 65AAAH2BMS Radio Shack 23-596 23-931 23931 43-221 43221 43-223 43223 43-269UnidenKastar 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 D3097-10UnidenNew Genuine OEM Uniden BT-1021 BBTG0798001 Cordless Handset Rechargeable Battery (2-Pack)UnidenKastar 1-Pack BT-1021 Battery Replacement for Uniden DECT2085-3 DECT2085-4 DECT2085-4WX DECT2085-5 DECT2088 DECT2088-2 DECT2180 DECT2180-2 DECT2180-3 DECT2180-4 DECT2185 DECT2185-2 DECT2185-3-Kastar 2-Pack BT184342 / BT284342 Battery Replacement for Motorola S803 S804 T31 T3101 T3151, Philips SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342AT&T Vtech Phones2.4V BT18433/BT28433 Rechargeable Battery Compatible with AT&T Vtech Phones BT18433 BT184342 BT28433 BT284342 BT-8300 BATT-6010 BT1011 BT1018 BT1022 BT1031 89-1326-00-00 CPH-515DUnidenKastar 2-Pack Battery Replacement for AT&T BT6010 BT-6010 BT8000 BT-8000 BT8001 BT-8001 BT8300 BT-8300 3101 3111 AT3201 AT-3201 AT32112 AT-3211-2 AT3211-2 CL74209 CL74309 CL80109 CL81109 CL81209UnidenKastar 2-Pack BT-1021 Battery Replacement for Uniden DCX200WHT DCX210 DCX291 DCX309 DCX350 DECT 1588 DECT 2060 DECT 2060-2 DECT 2080 DECT 2080-2 DECT 2080-5 DECT1363BK DECT1560 DECT1580 D1760-3UnidenKastar 2-Pack BT-1021 Battery Replacement for Uniden BT-1008 BT-1016 BT-1019 BT-1021 BT-1025 Toshiba DECT 2060 DECT 2080 Energizer ER-P152 ERP152 Empire CPH-515B CPH515B Sanyo CAS-D6325 CASD6325
Now hiding additional rows in the Table

Customer ratings & reviews

5 out of 5 stars
stars6 ratings5 reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 5 reviews

Jul 11, 2025
anonymous
Item details
Size: 4-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

Verified Purchase

My Go-To for hard to find items

Repeat customer of Walmart.com due to the fact that I can always find what I need. Even older products, like these batteries, for my phone, were in stock, priced right, and arrived ahead of schedule. Walmart.com is my "go to" when I can't find a product in the store. Quite thankful that Walmart offers this service. It has saved me stress and time more times than I can count! Give it a try! If you are not satisfied for any reason...they have great return policy!

Incentivized Review
Helpful?0ZGLK320SB85199892228
May 2, 2025
Pat
Top Reviewer
Item details
Size: 4-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

Verified Purchase

My old phone I love it so these batteries are grea

I have a set of older 'landline' phones and I'm used to them so not to have to replace my phones just the batteries is great. Happy with fast delivery.

Incentivized Review
Helpful?0ZGLK320SB85199892228
Oct 13, 2025
Cynthia
Item details
Size: 4-PACK
Sold and shipped byKastar USA Inc
5 out of 5 stars review

Verified Purchase

Product As Described

Product arrived promptly and was securely packaged.

Incentivized Review
Helpful?0ZGLK320SB85199892228