KENWOOD KNB-43L | 7.4V 3300mAh Two-Way Radio Batteries

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Kenwood 7.4V 3300mAh KNB-43L Replacement Battery For KENWOOD TK-2180 TK-3180 TK-5210 TK-5310, NX-410 NX-411 TK-2180K TK-3180K Free Shipping to Singapore

SGD $51.79
Quantity:

Note:Packages usually ship within 24/48 hours of receiving your payment!

Availability In Stock
Model KNB-43L
Capacity 3300mAh
Voltage 7.4V
Type Li-ion
Color Black
Size -
Warranty 12‑month limited warranty · 30‑day return policy
Shipping Shipping to Singapore: 7–10 business days
KNB-43L KNB-43L KNB-43L KNB-43L

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KENWOOD KNB-43L Battery Compatibility

Replacement Part Numbers:

Compatible Models：

KNB-43L has a higher capacity and is compatible with KNB-33L

For KENWOOD Portable Two-Way Radios
TK-2180, TK-2180K, TK-2180K2, TK-3180, TK-3180K, TK-3180K2, TK-5210, TK-5210G,
TK-5210GK, TK-5210GK2, TK-5210GK3, TK-5210GK7, TK-5210K, TK-5210K2, TK-5310,
TK-5310G, TK-5310GK, TK-5310GK2, TK-5310GK3, TK-5310GK4, TK-5310GK5,
TK-5310GK6, TK-5310GK7, TK-5310K, TK-5310K2
NX-410, NX-411

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

How to confirm your battery model?

  • Check the model number printed on your original battery label.
  • Match the battery model with the compatibility list shown on this page.
  • Verify your exact model name/number in the device settings or on the back cover.
  • Ensure the voltage and connector type are the same as your original battery.
  • If you are unsure, feel free to contact us with your device model for confirmation.

Installation notes

  • Ensure your device model matches the battery label before purchase.
  • Installation is straightforward and requires no special tools.
  • Use only compatible KENWOOD chargers or certified accessories.
  • Follow standard safety procedures when replacing the battery.

Our Guarantee for KENWOOD KNB-43L Battery

  • Brand‑new replacement battery for reliable daily performance.
  • Tested for stable output and consistent power delivery.
  • Designed for long cycle life and dependable usage.
  • Secure packaging and safe delivery to Singapore.
  • 12‑month warranty with 30‑day return policy.
  • 100% compatible KENWOOD TK-2180 TK-3180 TK-5210 TK-5310, NX-410 NX-411 TK-2180K TK-3180K

Product Features:

✅ 100% compatible with original equipment — easy installation and stable performance.

✅ Built-in overvoltage protection circuit to prevent damage to your device.

✅ Strictly tested during production to ensure top performance and reliability.

✅ Perfect replacement for the original part — same fit, same function.

View more battery specifications & guide For KENWOOD KNB-43L

KENWOOD KNB-43L Battery Technical Specifications

Model KNB-43L
Battery Condition Brand New Replacement Battery
Item Code ECN12875_Oth
Category Two-Way Radio Batteries
Brand KENWOOD
Capacity 3300mAh
Voltage 7.4V
Type Li-ion
Color Black
Applies to KENWOOD TK-2180 TK-3180 TK-5210 TK-5310, NX-410 NX-411 TK-2180K TK-3180K
Certification Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service Buy now, we promise a one-year warranty and 30-day returns

Why order batteries from us?

① Expert in the field of batteries for 15 years.

② Large selection, almost all available products are in stock.

③ Tested and checked by competent professionals, careful packaging.

④ Best prices & fast delivery & One year warranty & Safe purchase and payment.

⑤ Perfect after-sales service.

Delivery

  • All orders come with free shipping and no minimum purchase requirement.
  • In‑stock items are dispatched within 1–2 business days.
  • You will receive a tracking number by email the day after your parcel is shipped.
  • Delivery to Singapore typically takes 7–10 business days, depending on customs clearance and local delivery progress.
  • Public holidays, customs inspections, or unforeseen delays may affect delivery times.
  • Please ensure your shipping address is complete and accurate. We are not responsible for delays or returns caused by incorrect or incomplete address information.

Methods of payment

Paypal

Secure payment: Your credit card details are encrypted using the SSL (Secure Socket Layer) protocol and are never transmitted unencrypted over the network.

Accept payments through PayPal

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It's a fast and secure way for customers to pay online via all major debit and credit cards, online bank transfers and via PayPal account holder payments. Customers don't even need a PayPal account to pay with PayPal.

Guarantee

Quality and safety: This KENWOOD KNB-43L battery contains advanced electronic components and has been tested according to strict CE standards. The KENWOOD KNB-43L battery contains a chip that prevents overcharging and short circuiting. On top of that the KENWOOD KNB-43L batteries are made from good quality cells which do not suffer from a 'memory effect'.

Assurance and warranty: KENWOOD KNB-43L purchased in our store are guaranteed for 12 months. Satisfied Refunded 30 days.

Shipped Direct from the Factory: Shopbatterypc.com ships its items almost directly from the factory, so you are sure to receive a brand new, full capacity battery!

Tips for using your battery safely

  1. Use the correct charger — Always use the charger recommended by the manufacturer to avoid overheating or damage.
  2. Avoid overcharging — Disconnect the battery once fully charged to extend its lifespan.
  3. Keep away from extreme temperatures — Do not expose the battery to direct sunlight, fire, or freezing conditions.
  4. Protect from moisture — Keep the battery dry and avoid contact with water or other liquids.
  5. Do not disassemble or puncture — Tampering with the battery may cause leakage, fire, or explosion.
  6. Dispose responsibly — Follow local regulations for battery recycling or disposal to protect the environment.
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