1. Regulators SCUBA Snorkeling For Sale
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  3. CAMERON SINO KNB-31A

CAMERON SINO KNB-31A Battery Kenwood Ni TK-5310 NX-210 2100MAH 7.2V

Tk-5310 Cameron Sino Knb-31a Battery For Kenwood Nx-210 2100mah 7.2v Ni-mh Replacement

( Brand: Cameron Sino ), ( Manufacturer Part Number: KNB-31A ), ( Type: Rechargeable Battery ), ( Hours: 2.1 Ah ), ( Chemical Composition: Nimh ), ( Voltage: 7.2 V ), ( Compatible Model: Nx-210 ), ( Unit Type: Unit ), ( Country Of Origin: China ), ( Manufacturer Warranty: 1 Month ), ( California Prop 65 Warning: No Warning Applicable )

Review CAMERON SINO Battery Kenwood 2100mah 7.2v Ni mh Replacement

The Cameron Sino KNB-31A battery is a high-performance Ni-MH (Nickel-Metal Hydride) rechargeable battery specifically designed for use with select Kenwood two-way radios, including the TK-5310 and NX-210 models. This battery provides a capacity of 2100mAh (Milliampere-hours) and operates at a voltage of 7.2V.

The KNB-31A battery is engineered to deliver superior power output and extended talk time, making it an ideal choice for users who require reliable and consistent communication in their professional or personal activities. It is constructed with advanced Ni-MH technology that ensures a longer battery life cycle compared to traditional NiCd (Nickel-Cadmium) batteries.

One of the key advantages of this battery is its ability to provide a quick charge, allowing users to get back in action as soon as possible. The battery has a charging time of approximately 3 hours using the standard Kenwood charger. It also features a reverse polarity protection system, which safeguards the battery from damage caused by incorrect charging or connection.

The Cameron Sino KNB-31A battery is manufactured under strict quality control standards to ensure consistent performance and reliability. It is built with a robust design, featuring a sturdy casing that is resistant to impact and provides excellent protection against external damage. The battery also features a low self-discharge rate, which helps maintain the charge even during long periods of storage.

In conclusion, the Cameron Sino KNB-31A battery is a high-capacity, long-lasting, and reliable Ni-MH rechargeable battery designed for use with select Kenwood two-way radios. It provides excellent power output, quick charging capabilities, and robust construction, making it an essential accessory for users who demand consistent and reliable communication.

Buying a Cameron Sino KNB-31A Battery for Kenwood TK-5310, NX-210: Weighing the Pros and Cons

The Cameron Sino KNB-31A battery is a popular choice for those seeking a replacement battery for their Kenwood TK-5310 or NX-210 two-way radios due to its 2100mAh capacity and 7.2V Ni-MH (Nickel-Metal Hydride) technology. As with any purchasing decision, it's essential to consider both the advantages and disadvantages before making a commitment.

Pros:

1. Longer Battery Life: The 2100mAh capacity of the Cameron Sino KNB-31A battery provides longer operating hours compared to standard batteries, allowing for extended use between charges.

2. Ni-MH Technology: Ni-MH batteries have a longer shelf life and can be recharged more times than traditional Nickel-Cadmium (NiCd) batteries.

3. Cost-Effective: Replacing the battery is often more cost-effective than purchasing a new radio, especially if the radio itself is still functioning well.

4. Environmentally Friendly: Ni-MH batteries are more environmentally friendly as they don't contain heavy metals like Nickel-Cadmium batteries.

Cons:

1. Higher Upfront Cost: Although the long-term cost savings may be greater with Ni-MH batteries, they typically have a higher upfront cost compared to standard alkaline batteries or lower-capacity Ni-MH batteries.

2. Shorter Charging Time: Ni-MH batteries take longer to charge than alkaline batteries, and they may not fully charge if left on the charger for an extended period.

3. Memory Effect: Ni-MH batteries can experience a "memory effect" if not fully discharged and recharged regularly, which can reduce their overall capacity and lifespan.

4. Potential for Leaking: Although less common than with NiCd batteries, Ni-MH batteries can still leak if not handled or stored properly.

Conclusion:

When considering the purchase of a Cameron Sino KNB-31A battery for your Kenwood TK-5310 or NX-210 radio, it is vital to weigh the advantages and disadvantages carefully. The battery's longer battery life, cost savings over time, and environmental benefits are noteworthy. However, the higher upfront cost, longer charging time, and potential for memory effect or leaking are important considerations.

Recommendation:

If you frequently use your two-way radio and require extended battery life, the Cameron Sino KNB-31A battery may be an excellent investment. Its Ni-MH technology and 2100mAh capacity make it a cost-effective solution for prolonged use. However, if you only occasionally use your radio or prefer a more affordable option, consider purchasing standard alkaline batteries or a lower-capacity Ni-MH battery. Always ensure proper handling and storage to minimize the risk of leaking or memory effect.

Details:

The part number printed on your original battery. Compare the physical dimensions with your original battery. Verify the voltage matches exactly: 7.2V. A photo of your old battery optional but very helpful.

Whats in the box: 1 Replacement battery CS-KNB310TW. Anti-static protective packaging. Compatible Part Numbers: This battery replaces the following original part numbers: KNB-31A. Double-check: open the battery compartment of your device, remove original battery, and compare its printed part number with list above.

Compatible model's Kenwood: NX-210. Still not sure. One quick message is better than a wrong order.

part #: knb31a prices

  • $15.99-$32.08

specifications regulatoscub:

  • brand: Cameron Sino
  • mpn: Knb-31a
  • type: Rechargeable Battery
  • hours: 2.1 Ah
  • chemical composition: Nimh
  • voltage: 7.2 V
  • compatible model: Nx-210
  • unit type: Unit
  • country of origin: China
  • manufacturer warranty: 1 Month
  • california prop 65 warning: No Warning Applicable

payments regulatoscub:

  • credit card: Discover
  • wallet: Paypal
  • other

returns regulatoscub:

  • time: 30 Days
  • method: Money back
  • paid by: Buyer
  • policy: Returns Accepted

offer regulatoscub:

  • availability: In Stock
  • sold: 0
  • started: May 5, 2026
  • quantity: 2
  • options: Ship-to-home

general regulatoscub:

  • condition: New
  • Water Sports > Scuba Snorkeling > Regulators

shipping regulatoscub:

  • service: Standard
  • class: Standard
  • cost: $1.99
  • transit: 4-11 Days
  • type: Fixed

seller regulatoscub:

  • # reviews: 183
  • city: Edison, New Jersey
  • rating: 97.9%
type: rechargeable battery, hours: 2.1 ah, chemical composition: nimh, voltage: 7.2 v, compatible model: nx-210, unit type: unit, country of origin: china, manufacturer warranty: 1 month, california prop 65 warning: no warning applicable,
category: sporting goods > water sports > scuba snorkeling > regulators, sku: 4825319376252813,
Cameron Sino KNB-31A Is Similar To:
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5 offers $15.99–$32.08 USD
  • New. Offer #1 priced at $18.29 + $5.80 shipping estimate = $24.09* total. Spare battery V2.0: 100% match the original equipment, and no memory effect. Substituted battery for Samsung Camera NX200, NX210 Backup battery 800mAh/5.9Wh / 7.4V.+$5.80 shipping
  • New. Offer #2 priced at $32.08 + $0.00 shipping estimate = $32.08* total. Fit for Battery Part Number KNB-33L, KNB-41NC, KNB-54N.FREE SHIPPING
  • New. Offer #3 priced at $15.99 + $0.00 shipping estimate = $15.99* total. Fit for Battery Part Number BP-1030, ED-BP1030.FREE SHIPPING
  • New. Offer #4 priced at $46.99 + $1.99 shipping estimate = $48.98* total. This battery replaces the following original part numbers. Capacity 2100mAh.+$1.99 shipping
  • New. Offer #5 priced at $46.99 + $1.99 shipping estimate = $48.98* total. +$1.99 shipping

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