The dedicates an entire chapter to the BB-2590 (rechargeable lithium-ion) and the BA-5390 (non-rechargeable). Key takeaway: In manpack mode, the radio draws 2.5A when transmitting via HPA. Expect 8 hours of mixed use.
The top manual distinguishes between in manpack configuration and Low Power (3-5W) as a handheld. The manual contains a chart showing battery life (using the BB-2590 battery) versus duty cycle. Pro tip: Running 20W on a hot day will shut the radio down via thermal protection—section 2-14 of the manual explains how to read the thermal gauge. an+prc158+manual+top
AN/PRC-158 Multi-channel Manpack | L3Harris® Fast. Forward. The dedicates an entire chapter to the BB-2590
The applications of the AN+PRC158+Manual+Top could vary widely depending on its specific design and functionality. If it's a communication device: an+prc158+manual+top