Duracell Alkaline

Specifications (8 bare cells summed)

Nominal V – DC 9.6 V
Weight –  6.77 oz (192 g)
Volume (excl wires) – 4.91 in³ (80.4 cm³)

Claimed capacity – 1700 mAh

320 mA (0.12 C) discharge rate –  1514 mAh capacity, running time 4:42:04
1300 mA (0.5 C) discharge rate –  455 mAh capacity, running time 20:51
2100 mA (0.81 C) discharge rate –  235 mAh capacity, running time 6:40
TR Cycle – (alt. 0.18-1.8 A discharge) –  315 mAh capacity, running time 26:06

Measured Energy – 14.41 Wh @ 0.12 C rate
Measured Specific Energy  – 2.13 Wh/oz (75 Wh/kg)
Measured Energy Density – 2.93 Wh/in³ (179 Wh/L)

Notes
Despite their open-circuit voltage of 1.55 V, even under the 320 mA load they quickly sagged to ~1.2V for the majority of the test, so this was the voltage used to calculate WH.