The big disadvantage of the NiMh in lighting is it tends to drop off quickly giving you no warning you are about to be in the dark but at the same time keeps you constantly lit over a longer period. N02878, FUJITSU, Battery D Spacer Adapter Converter - AA to D Size, - AA to D Size - 2 pcs - Not include battery, HKTVmall The Largest HK Shopping Platform. This battery adapter lets you use an AA battery as a D battery. Feature: Firmly connected Convert any AA battery to a D battery Option to use 1 AA,2 AA or use 3 AA for more capacity Item Included: 3AA to D Size Battery Convertor Adapter X 4 (Battery not.

Each has their advantages and disadvantages. Max Convert 3AA battert to D size battery Perfect for electronics and emergency situations A gadget to keep close at hand, at home, at the office,etc. So instead of the bright start and slow decline of the alkaline battery the NiMh starts off a little dimmer but stay the same brightness over a longer period.

On the other hand, a NiMh starts at 1.25 V but holds almost that voltage throughout it's charge cylce until the end where it drops off quickly. Suitable for the storage battery adapter, which is used for aa battery and other mobile phones or accessories in the car by data line. Battery Device Adapters can be used to connect switches to any off-the-shelf battery-operated devices that require AA, C, or D batteries. The result is a brighter light for the first few minutes followed by a steadly decreasing light. As it turns out, an alkaline battery does start off at 1.5 V as opposed to the 1.25 of the NiMh battery, giving a brighter light however after a fairly short run time the voltage drops quickly and continues on a steady decline over the life of the battery.

Features and Specifications: Capable for all applications using D size battery. There is a little more involved than just the voltage and current capacity of the battery, you also need to look at the voltage vs time curve of the battery. Use Your Existing AA Battery For D Battery Applications.

Aa to d battery adapter