Battery Compatible with BLI-KNB35 Radio - 7.4V 2270 mAH Li-ION

In this review the Battery Compatible with BLI-KNB35 Radio is evaluated for users who need a dependable replacement power source for two-way radios. The bottom line: it is a straightforward, high-capacity Li-ion replacement that aims to match original equipment performance at a lower cost. Practical buyers will appreciate that the pack is rated at 7.4V 2270mAH and guaranteed to retain about 80% of its rated capacity for 12 months from shipment, making it a sensible option for field technicians, event staff, and radio owners who need reliable runtime without paying OEM premiums.

Key Features

• Full compatibility: Works with a wide range of models so users can replace KNB24/25/35 series packs without worrying about fit or basic connectivity.
• High capacity: The 2270 mAH rating provides extended runtime compared with lower-capacity cells, which reduces the frequency of swaps during long shifts.
• Li-ion chemistry: Modern Li-ION construction gives a good energy-to-weight ratio and consistent voltage delivery for stable radio performance.
• Durability promise: The pack is designed to maintain 80% of rated capacity for 12 months, offering predictable battery life across the warranty period.
• Warranty protection: A 12 month warranty covers defects and gives buyers a safety net for early failures.

Who It's For

This battery suits professionals and hobbyists who use compatible two-way radios in daily operations and need a reliable replacement that mirrors original equipment behavior. It is especially useful for users who want a higher capacity spare to cover long shifts, outdoor events, or travel where charging opportunities are limited.

Those who should look elsewhere include operators who require manufacturer-certified batteries for warranty reasons tied to specific radio brands, and users seeking extended multi-year battery life guarantees beyond the supplied 12 month coverage.

Pros & Cons

Pros

• High 2270 mAH capacity delivers longer runtime than many standard spare packs.
• Broad compatibility with many NX and TK model radios reduces the need to stock multiple part numbers.
• Li-ION design keeps weight reasonable while providing steady power output during use.

Cons

• Not an OEM-branded battery, so some buyers may prefer manufacturer-supplied packs for brand-specific warranty reasons.
• Capacity retention is guaranteed for 12 months only, so long-term degradation is possible after that period.

Specifications

Voltage	7.4V
Capacity	2270 mAH
Chemistry	Li-ION
Compatible Models	NX-220, NX-320, TK-2140, TK-3170 and many NX/TK series radios
Replacement P/N	KNB24, KNB25, KNB35 and related variants
Warranty	12 Months

Our Verdict

The Battery Compatible with BLI-KNB35 Radio is a practical, cost-effective replacement for compatible two-way radios, offering a strong balance of capacity and compatibility. Buyers who need extended runtime and broad model coverage will find it good value, while those requiring OEM branding or longer warranty coverage should consider that before purchasing.

Frequently Asked Questions

Is this battery compatible with my NX-3200?
Yes, the pack lists NX-3200 among compatible models and should fit and operate like the original equipment.

How long will the battery hold capacity?
The manufacturer guarantees the battery will retain approximately 80% of rated capacity for 12 months from the date of shipment.

What is covered by the warranty?
The 12 month warranty covers defects and premature failure under normal use; consult the supplier for return procedures.