1 SERIES - Battery Adapter - Converts 3 AA Cells to 1 D size - outputs 4.5V USA

1 Each - SERIES AA Battery D CELL Adapter Holder 4.5V Cell Converts 3 AA 1.5V to 1 D Size 4.5V               Sold by (1) EACH, of the 3 AA to Standard 1.5 volt D Size Adaptor Get the adapter style you want to be shipped by Fast Economical USPS First Class Mail   This AA to 1D - Size adapter puts AA-size batteries in D CELL devices. These adapters are normally used with rechargeable Ni-MH, Lithium AA batteries to take the place of a D cell in a flashlight. Now you can use the rechargeable AAs you already have to power your flashlight. Battery adapters allow a combination of series and parallel 3AA to 1D battery adapters for longer run times or higher voltages for brighter LEDs - Parallel adapters put AAs in parallel to boost Capacity - Series adapters put AA's in Series to boost Voltage brighter LEDs For example: 2 (1.5V Cell) and (3.6V Li-Ion Cell) lights for: 3 Volts (1.5V Cell) and 7.2 Volts (Li-Ion) = 2-parallel adapters   6 Volts (1.5V Cell) and 14.4 Volts (Li-Ion) = 1-series and 1-parallel adapter   9 Volts (1.5V Cell) = 2-series adapters Click  HERE If You want to buy PARALLEL connection addapter - 1.5V?  or SEE Below This 3 AA to 1 D size which puts the 3 AA’s in series to boost Standard 1.5V Cells to 4.5 volts.   Features and Specifications:   Compatible with AA size batteries    Increases the voltage of (1.5V) AA's the to 4.5V    Dimensions (SAME SIZE AS D CELL) (L x D): 2.4" x 1.25" (61 x 33 mm)  Weight: (12 - 20 g) Made of light-weight, durable plastic   Batteries not included... Sold by (1) EACH's, Simply Select 3 AA to Standard 1.5 volt D Size Buy two or more with discounted shipping, and you'll have them for next time. Please return a positive review for good service, Thank You. Note: One use for the adapters is to use 1-series and 1-parallel in a standard 3-volt flashlight to make it a 6-volt light running off 4 AA batteries. The 6-volt light can use the high power 1-watt and 5-watt LEDs with alkaline, NiMh, or lithium AAs. Note: You can also use these adapters for lithium 14500 AA sized. © 2015-2022 Draco Products. All Rights Reserved