Cobra BK-70128 Replacement Battery | 7.4V 850mAh Li-ion

Power Your Conversation—Anywhere, Anytime.

Don’t let a dead battery cut your communication short. Whether you’re on a job site, hiking deep in the woods, or coordinating a large event, our BK-70128 High-Performance Lithium-Ion Battery ensures your Cobra two-way radios stay powered up when it matters most.

This premium replacement (Part #FRS-001-LI) is engineered for longevity, featuring high-grade cells that provide consistent voltage and a longer runtime than standard generic replacements.

🔋 Key Performance Specifications

✅ Universal Compatibility

This battery is a direct, drop-in replacement for a wide range of Cobra CXR, LI, and MicroTalk series radios. If your model is listed below, this is the exact match you need:

Replaces OEM Part Numbers:

• Cobra 103-0001-1 / 103-0004-1 / 103004-1

• Cobra BK-70128 / BK-71216

• Cobra COM-MN0160001 / MN-0160001

Compatible Cobra Radio Models:

• CXR Series: CXR 700, CXR 750, CXR 800, CXR 825, CXR 850

• LI Series: LI3900, LI3900-2 DX, LI3950, LI4900, LI4900-2 WX

• LI High-End Series: LI5600, LI5600-2 DX, LI6000, LI6000-2 WX, LI6050, LI6500-2 WX, LI6700, LI6700-2WX

Why Choose Our FRS-001-LI Replacement?

• Precision Fit: Snaps securely into your radio just like the original equipment.

• Advanced Safety: Integrated overcharge and short-circuit protection for peace of mind during long charging cycles.

• Eco-Friendly Li-ion Tech: Provides more charge cycles and a better power-to-weight ratio than older NiMH batteries.

• Ready for Action: Ships with a partial charge so you can test your gear immediately.

Pro Tip: To maximize the lifespan of your new Lithium-Ion battery, avoid letting it drop to 0% frequently. A quick "top-off" charge is actually better for the battery's health!

📦 What’s in the Box?