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Rectangular black lithium-ion battery pack with label showing 4500mAh 3.8V

KingSener

KingSener Z11-4500 4500mAh 3.8V standard battery

SKU CH-238M-VY9MN MPN Z11-4500

A 4500 mAh, 3.8 V lithium-ion replacement battery delivering 17.1 Wh for the Runbo K1 radio and smartphone

  • Battery Capacity4500mAh/17.1WH
  • Battery Voltage3.8V
  • Extended runtime for demanding shifts with 4500mAh capacity
  • Reliable 3.8V output keeps Runbo K1 radios transmitting clearly
  • 1Wh energy density packs more power into a compact cell
  • Direct replacement for Z11-4500 part number ensures drop-in fit
  • Brand-new Li-ion cells deliver consistent cycles from day one

Replacement battery for Runbo K1 radio

The KingSener Z11-4500 is a lithium-ion power cell built to replace the original pack in Runbo K1 VHF UHF DMR digital radios and 4G LTE smartphones. It targets professionals who need reliable uptime for two-way communication in field or industrial settings.

4500 mAh capacity at 3.8 volts

The single figure that decides fit is the 4500 mAh / 17.1 Wh rating combined with the 3.8 V nominal voltage. Only devices specifying this exact capacity and voltage will charge and report remaining run-time correctly.

Direct swap with original connector

Installation is a simple rear-cover removal and connector mating; no soldering or tools are required. The most common issue is ordering the wrong model number, so verify the Z11-4500 part code on the old battery before purchase.

Highlights

  • Extended runtime for demanding shifts with 4500mAh capacity
  • Reliable 3.8V output keeps Runbo K1 radios transmitting clearly
  • 1Wh energy density packs more power into a compact cell
  • Direct replacement for Z11-4500 part number ensures drop-in fit
  • Brand-new Li-ion cells deliver consistent cycles from day one

Specifications

BrandKingSener
ModelZ11-4500
Battery Capacity4500mAh/17.1WH
Battery Voltage3.8V

Questions about this item

How long will the 4500mAh capacity last in a Runbo K1 radio during a shift?

The 4500mAh rating delivers 17.1Wh at 3.8V; actual runtime depends on transmit power, duty cycle and screen use in your Runbo K1.

What connector standard does the Z11-4500 use to mate with the Runbo K1?

The battery is built to the Runbo K1 Z11 form factor and locks directly into the radio's dedicated battery cavity without an adapter.

Will this pack fit the battery compartment of my Runbo K1 VHF UHF DMR unit?

Yes, the Z11-4500 matches the exact dimensions and latch points for the Runbo K1 Z11 radio and walkie-talkie models.

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