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Battery

ludwich66 edited this page Dec 16, 2023 · 34 revisions

Two Models of Battery

  • BPK5 Battery nominal 7,2 V / 1600 mAh / 11,52 Wh / 83 gr. / 15,4 mm high
  • BPK5 Battery nominal 7,2 V / 2200 mAh / 15,84 Wh / 114 gr. / 21,8 mm high (Standart on UV-5R Plus, only with Modification on other Models usable)
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1600mAh image

1. BPK5 Battery nominal DC 7.2 V / 1600 mAh / 11,52 Wh / 83 gr / 15,4 mm high

see PCB R51-V1.2
see Schematic
Battery real 7,2V / 1400mAh (see Teardown)

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Contact and PushLook
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2. BPK5 Battery nominal DC 7.2 V / 2200 mAh / 15,84 Wh

Source: EN DEV Telegram Channel
User: Red Cat
see PCB R51H-V1.0

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Model Number LXD 18650-20P3
Place of Origin Sichuan, China
Weight 43.0, 43.0±1g
Battery type Li-ion Battery
Capacity 2000mAh
Nominal Voltage 3.6V
Discharge Ending Voltage 2.75V
Charge Ending Voltage 4.20±0.05V
Max. Continuous Discharging Current 6A
Max. Short Time Discharging Current 10A
Dimension 18.50mm*65.20mm

3. Hardware Mods & Measurements

Tests
measurement by ludwich (29-06-2023)
1350mAh @1A-to-6V (Fresh Akku on second charge)

Overcharge-Protection: todo
Deep-Discharge-Protection: 5,3V Cutoff
Accu Warning: Voice Message "Low Voltage" multiple Times lower then 6.9 Volts (K5)

Akku_Discharge-Curve

(Chart from MARCOS)


@Matt
Mod: Usage of bigger UV-5R-Plus Battery on UV-K5(others) (normal BPK5 1600 mAh Battery)
ToDo: Cut middle "Nose" to fit in Standart Socket.
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Bigger Battery on UV-K5
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