So Hank did an experiment using various batteries and a
BF-F8HP:
"AA Battery Monitoring-Only Duration Test
Conditions:
Radio: Baofeng BF-F8HP with original factory settings except for 10 second LCD display backlight on-time (Menu 6) to induce heavier battery drain.
Battery Adapter: Baofeng (Baofeng Tech) BL-5 AA Battery Adapter (and “place holder” battery as needed).
Environment: Indoor environment with stable 72° temperature and typical indoor relative humidity values.
Tasking: Radio continuously monitored local fire band frequency with an average of 3 to 4 calls per hour at 3/4 full volume.
Test #1
Energizer brand “Advanced Lithium” batteries (5 batteries + “fake” jumper)
Started on 4/10 at 11:50 AM
Ended on 4/14 at 6:35 AM
Duration: 3 days, 19 hours, 25 minutes (91.4 hours)
Test #2
Kodak brand “Max” alkaline batteries (5 batteries + “fake” jumper)
Started on 4/14 at 7:15 AM
Ended on 4/16 at 6:17 AM
Duration: 1 day, 23 hours, 2 minutes (47 hours)
Test #3
Baofeng OEM BL-5 Extended Capacity 2100 mAh Li-ion battery
Note: Battery was cycled with four previous charge/discharge cycles to maximize charge capacity.
Started on 4/19 at 10:00 AM
Ended on 4/21 at 7:57 PM
Duration: 2 days, 9 hours, 57 minutes (58.9 hours)
Test #4
Panasonic brand “eneloop” Ni-MH rechargeable batteries (6 batteries)
Started on 4/26 at 11:47 PM
Ended on 4/29 at 12:40 PM
Duration: 2 days, 12 hours, 53 minutes (60.9 hours)"
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