Description
Keep your two-way radios powered up and ready for critical communication with high-capacity replacement batteries designed for rugged use. Double capacity of original Motorola battery pack, fast charging and charging from USB-C and more can be expected from this solution.
- Stay connected: up to 38 hours on one charge
- Charge fast: 90% capacity in 90 minutes
- Don’t lose control: charge the radio without turning it off
- Be autonomous: charge even from a power bank on the go
MRB-M4 specifications:
– Rated capacity: 4950mAh, 36.6Wh
– Nominal output voltage: 7.4V
– Chemistry: Li-ion LG INR21700M50LT
– Charging protocol: BCP1.2, QC2.0
– Charging port: USB Type-C
– Nominal charge current: 2A
– Maximum charge current: 3.0A
– Nominal discharge current: 1.5A
– Discharge current protection: 9.25A
– Operating temperature: -20°C to +60°C
– Charge temperature range: 0°C to +45°C
– Weight: 206g (7,3Oz)
– Expected Cycle Life: 500 cycles ≥ 80% (@+25°C and nominal charge/discharge conditions)
RigExpert have started mass production of the MRB-M4 Mobile Radio Battery, and it’s a communication-changer! Why are we so excited? Thanks to the MRB-M4, Ukrainian soldiers on the front line can stay in communication non-stop, as long as the radio and battery are operational. And the quality of this communication has become much better.
Because of the MRB-M4, emergency communications around the world can become just as clear and prolonged. And it’s now easier than ever before to maintain those communications.
How did they achieve this? They’ve doubled the capacity (up to 4950mAh) compared to the standard battery. Now the radio can operate up to 38 hours on a single charge. Multiple tests have confirmed these figures. And you can see for yourself by watching our video https://youtu.be/SF92rXwYtCw
No more need for docking stations to charge the radio. Just have any Type-C compatible charging device on hand, such as a smartphone, tablet, laptop, or power bank. And, of course, the corresponding cable. So the radio can also be charged on the move.
Thanks to the Quick Charge interface, the MRB-M4 Mobile Radio Battery charges to 90% in just 90 minutes.
With the MRB-M4, communication is uninterrupted—not for a second. The radio works even while charging.
The battery’s light indicator reports its current status and charging process. To activate it, simply press the corresponding button. The button itself is protected against accidental presses, so radio users can’t be detected by a burst of light.
The battery housing is covered with a silver-containing coating. EMI shielding reduces radio frequency noise during charging.
The MRB-M4 Mobile Radio Battery is protected from dust and other solid particles and can withstand submersion in water at a depth of one meter for approximately thirty minutes (IP-68). In addition to this, with its wide operating temperature range from -20°C to +60°C, the MRB-M4 is ready for the toughest tests.
The MRB-M4 has already become indispensable for the military units of Ukraine!
If you are using a Motorola DP series radio, provide yourself with clear and reliable communication as simply and as long as ever before.
Find out more about the MRB-M4 Mobile Radio Battery here: https://reu.wiki/mrb-m4
Long-lasting and reliable communication without interruptions
2X capacity – 4950mAh
Fast USB-C charging
On-the-go charging – top mount keeps radio on
Built-in charge indicator
IP68 rating – dust, dirt and water resistance
Rugged design for field work in extreme conditions
EMI shielding reduces noise during charging
38 hrs runtime per charge
Building amplifiers, transmitters, filters or other RF equipment? You will also need these:
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 10, 12, 17, 25, 50 ohm PTFE coax |
 Metal clad capacitors |
 High power RF resistors |
 Attenuators |
 High power fans |
 Mains power supply |
 Antenna analyzer |
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