Which model is needed to replace the 3 AA batteries in the Led flashlight with 3.7V lithium batterie

Introduction Replace the 3 AA batteries of the LED flashlight with 3.7V lithium batteries. Which model is needed. Attached are two types of 18650 flashlight batteries for your reference. ?AAA battery, the general size is

Which model is needed to replace the 3 AA batteries in the Led flashlight with 3.7V lithium batterie

Attached are two types of 18650 flashlight batteries for your reference. ?

The general size of AA battery is: diameter 11mm, height 44mm.

The size of 18650 may not fit, it depends on the structure of the author's flashlight battery location.

If three chips are connected in series to form a straight bar, then the size of 18650 is not appropriate.

If three beads are connected in series side by side in a bundle, 18650 can be used instead.

18500 lithium battery parameters of 18500 lithium battery:

The dimensions of 18490 and 18500 lithium batteries are definitely different.

If the materials and processes are the same, the battery characteristics will be the same but the capacity will be different.

“18” refers to the battery diameter of 18mm. "500" and "490" refer to the length of thehas 50mm and 49mm battery respectively. The appearance of the two batteries above is not much different. , and the specific capacity matches different brands and manufacturers. There will be slight differences.

Voltage: 3.6V (conventional general-purpose battery, used for low-power electrical equipment in electronic products with a maximum discharge of 1C. The discharge conditions can be changed by depending on the situation)< /p>

3.2V (power battery can be customized according to the situation)

Charging parameters: 4.2V

The minimum discharge termination voltage is generally: 2.75V. Maximum charge termination voltage: 4.20V (Sanyo, Samsung, Panasonic, Tian Sheng TS/The latest 18500 large charge termination voltage capacity is 4.35V)

Capacity: Current 3.6V lithium cobalt oxide technology can reach 1900AMH (according to the departtechnology of Tiansheng Weiye)

Diameter: 18±0.2

The minimum discharge termination voltage is generally: 2.75V

Battery lithium 18650

Maximum charging termination voltage: 4.20V (Sanyo, Samsung, Panasonic's latest large capacity 18650 model (charging termination voltage is 4.35V)

Height: 50 ± 0.3

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