KNB-57L KNB-55L 2000mAh Ni-mh Battery for TK-2140 TK-3140 TK-2160 TK3160 TK3360 TK3148 NX320 NX220
$10.80
Knb-57l Batteries from Luotwo — professional grade, wholesale pricing.
Knb-57l Batteries
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Variants And Specifications: Available in KNB-57L and KNB-55L models, each with 2000mAh capacity for versatile device compatibility.
Core Functionality: Designed as a Ni-MH rechargeable battery, ensuring reliable power supply for TK-2140, TK-3140, and other compatible walkie-talkie models.
Competitive Edge: Manufactured in China, offering a cost-effective solution without compromising on quality or performance for professional communication needs.
Suitable For Procurement Scenarios: Ideal for bulk purchasing by organizations requiring dependable power sources for their communication devices, such as security firms or event management companies.
Additional Value: Capable of maintaining up to 80% charge after 300 cycles, providing long-lasting durability and reducing the frequency of replacements.
Specifications
| rechargeable | RECHARGABLE |
| use | mobile phone, Other |
| Type | Ni-MH |
| color | Black |
| products status | Stock |
| place of origin | China |
| model number | KNB-57 |
| Application | Walkie Talkie Battery |
| Walkie Talkie Battery | 300 times 80% |
| Selling Units | Single item |
| Single volume | 0 cm³ |
| Single gross weight | 0.0 kg |
Explore more Batteries or browse the full two-way radio collection at Luotwo.
Frequently Asked Questions
How far does the KNB-57L KNB-55L 2000mAh Ni-mh Battery fo... reach?
In the real world, LUOTWO handhelds like this one hold a clear signal for about 2-4 miles in open country and maybe half a mile to a mile in a city or heavy woods. The box may claim more, but trees and buildings eat radio waves fast. If you need serious distance, a 4G PoC radio or a repeater setup is the honest answer.
Is the KNB-57L KNB-55L 2000mAh Ni-mh Battery fo... waterproof?
This LUOTWO model handles light rain and splashes, but it is not built to be submerged. If you need a fully waterproof radio, look for an IP67-rated unit in our two way radios range.
What battery life does the KNB-57L KNB-55L 2000mAh Ni-mh Battery fo... have?
The battery is rated at 2000 mAh, which usually covers a full day of intermittent use or 8-12 hours of active talk time. A full charge from the cradle takes about 2-4 hours, and you can top it up with a USB charger when you are on the road.
Does the KNB-57L KNB-55L 2000mAh Ni-mh Battery fo... work with other walkie talkies?
Like most LUOTWO radios, this one talks to any other radio on the same frequency band and mode. If both units are analog and share the band, they will hear each other even across brands. Digital-only modes will not interop, so keep that in mind if you are mixing fleets.
Do I need a license to use the KNB-57L KNB-55L 2000mAh Ni-mh Battery fo...?
It depends on the band. FRS radios need no license in the US, while GMRS requires a $35 family license from the FCC. If the model is a commercial or amateur radio, a license or a business frequency is required. When in doubt, check the frequency range printed on the back label.
Detailed specifications available upon request. Contact our sales team for full technical documentation.
Contact us for product datasheets, firmware updates, and programming software.
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