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Battery Information
Battery Details

Do not confuse with the "D" size watch battery, or the AA or C which are also called K4A by other manufacturers. Nor with the CR D series that are Lithium 3 volts but the same physical size.

NiMH rechargeables are available in high capacities which will give long life but the voltage is .3 of a volt less per battery. This compounds with the more batteries used, for example: 6 × 1.5 (9 volts) becomes 6 × 1.2 = 7.2 volts.

Equivalents:

0039, 2, 2D, 2LP, 6D, 13, 13A, 13AC, 13CD, 13D, 13F, 212, 232, 373, 813, 950, 1009, 1050, 1250, 3020, 4020, 4120, 7520, 56720, AL-D, AM1, AM-1, AM1-PI, B13A, BA30, BA3030/U, BA6103, BA6123, D, D2, D99, D-CELL, D CELL, DLR20, E95, EN95, EV150, Flashlight Battery, Goliath, HC2, HD-D, HP2, K4A, K532, KD, KDHZ, Leakproof Torch Battery, LP532, LPU2, LR20, LR20A, LR20N, M13R, M13SHD, MN1300, Mono, MX1300, No.2R, PC1300, PF2, PS-D, R20, R20C, R20MA, R20P, R20S, R20ST, R20TR, R20Z, SP2, SUM1, SUM-1, T1, T1LP, T20, T21, Torch Battery, U2, UM1, UM-1, UM1DE, UM1M, UM1O, UM1UE, Unit, V0002, V0009, VS336,

Image not to scale.	Common Name.	Dimensions. Length × Diameter.	Chemical Composition.	Nominal Voltage.
	D.	62 mm × 33 mm Contacts: Raised area Positive. Flat end Negative.	Zinc Carbon Zinc Chloride Alkaline NiCd NiMH	1.5 volts (16500 mAh). 1.2 volts (NiMH and NiCd).