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Battery Voltage Tables

1. NP-F-Type Lithium-Ion Battery

(Nominal voltage: 7.4 V)

Voltage (V) Approx. Remaining Capacity
8.4 V 100 % (Fully charged)
8.2 V 90 %
8.0 V 80 %
7.8 V 70 %
7.6 V 60 %
7.4 V 50 %
7.2 V 40 %
7.0 V 30 %
6.8 V 20 %
6.6 V 10 %
≤ 6.4 V Battery nearly depleted — recharge recommended

2. Six AA Alkaline Batteries

(Nominal combined voltage: 9.0 V)

Voltage (V) Approx. Remaining Capacity
9.3 V 100 % (Fresh batteries)
9.0 V 90 %
8.7 V 80 %
8.4 V 70 %
8.1 V 60 %
7.8 V 50 %
7.5 V 40 %
7.2 V 30 %
6.9 V 20 %
6.6 V 10 %
≤ 6.3 V Batteries depleted — replace soon

3. Six AA Ni-MH Rechargeable Batteries

(Nominal combined voltage: 7.2 V)

Voltage (V) Approx. Remaining Capacity
8.4 V 100 % (Fully charged)
8.2 V 90 %
8.0 V 80 %
7.8 V 70 %
7.6 V 60 %
7.4 V 50 %
7.2 V 40 %
7.0 V 30 %
6.8 V 20 %
6.6 V 10 %
≤ 6.4 V Recharge required