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🔋 Power your calls, power your day — never miss a moment!
The RocketBus 4 BK-40AAABU rechargeable battery pack delivers 1.2V and 400mAh Ni-MH power, perfectly compatible with a range of Panasonic cordless phone models. Designed for easy installation and long-lasting use, these batteries come with a 1-year warranty, ensuring your cordless phone stays reliably charged and ready.
| ASIN | B0CW4JMHHB |
| Amperage | 400 Milliamps |
| Antenna Location | Phone |
| Battery Capacity | 400 Milliamp Hours |
| Battery Cell Composition | NiMH |
| Battery Cell Type | NiMH |
| Best Sellers Rank | #23 in Cordless Telephone Batteries |
| Brand | RocketBus |
| Compatible Phone Models | KX-TGD220N, KX-TGD22N, KX-TGD223N, KX-TGD224N, KX-TGD225N, KX-TGE273S, KX-TGE274S, KX-TGE275S |
| Customer Reviews | 4.6 out of 5 stars 299 Reviews |
| Item Dimensions | 1 x 1 x 2 inches |
| Manufacturer | RocketBus |
| Model Name | BK-40AAABU |
| Model Number | BK-40AAABU |
| Number of Batteries | 4 AAA batteries required. (included) |
| Recommended Uses For Product | Phone |
| Reusability | Rechargeable |
| UPC | 680063060908 |
| Unit Count | 4.0 Count |
| Voltage | 1.2 Volts |
| Warranty Description | 1 Year Warranty |
J**.
Cordless phone batteries
Replacement batteries for my 2 cordless phone handsets: exact match. easy to install, phones charged up quickly and now work again!
F**Y
Great Product
Was same type and brand of battery that came with my phone 12 years ago. I charged them up and my phone works perfectly again.
D**R
Rechargeable batteries
Works well on my Panasonic home phones.
L**R
Could be better.
OK but there are better options
J**E
good value
very good quality
R**Y
Last as the should
Very good
B**G
Talk about everlasting!
Theses telephone batteries last forever (almost)! I’ve had my phones for 10 years and this is the first time I’ve had to replace the batteries!
L**N
Cordless Landline phone batteries
Same battery that was in our phones Battery replacement: Phones were not holding a charge so we tried changing the batteries. Phones work perfectly now.
Trustpilot
5 days ago
2 weeks ago