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Light and battery Size and weights Info
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Click on the images for a larger image
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The big homemade pack on the left is the 12volt
NiMh battery pack I use for my Marwi handle bar
HID.
The middle pack is a 9.6v NiMh pack for my Luma
HID
The green batteries are Sanyo HR-4/3FAU 4000mah
and HR-4/3FAUX 4500 mah NiMh batteries
These batteries are in just about every bike light
battery pack I have ever taken apart.
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Here's the lights. I threw in a Halogen just for
comparison.
See the New P7 design further down the page.
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Click on the images for a larger image
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Luma spot beam HID combo
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Marwi flood beam HID combo
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Click on the images for a larger image
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MTE Flashlight P7 LED and 6 batteries.
I included 6 batteries in the photo because I
do not know how I am going to drive this light
yet.
It takes 3 of the green batteries in series to
make 3.6volts at 4500 mah.
If you take two of those packs and put them in
parallel, you will have 3.6 volts at 9000 mah.
I will probably get some of the 3.7 volt Lithium's
at deal extreme which would be small and lighter
than 6 of the big green monsters.
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Halogen and 5 batteries
This type of halogen typically came with a 5 battery
flat pack for your pocket,
or a 5 or 10 battery water bottle pack.
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Click on the images for a larger image
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Marwi View point Halogen converted to us P7 LED.
Note that the mounting base was on the light when
I weighed it.
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Click on the images for a larger image
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One of my Homebrew P7's |
P7 LED and 3 x 18650 Li-On Battery pack
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Size and weight comparisons
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Click on the images for a larger image
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Left: P7 LED - Right: Marwi View point conversion
LED
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Left: P7 LED - Right: MTE flashlight conversion
LED
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Click on the images for a larger image
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Left: P7 LED - Right: Marwi Nightpro extreme HID
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Left: P7 LED - Right: Lume Strada HID
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The weights of all the above items
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Lights including cords
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Grams
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Ounces
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Latest P7 LED design
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65 g
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2.2 oz
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Old View point Halogen light
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74 g
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2.6 oz
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Marwi P7 conversion LED
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86g
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3.02oz
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MTE Flashlight P7 conversion LED
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131 g
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4.6 oz
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Marwi HID light
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176 g
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6.2 oz
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Luma HID light
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209 g
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7.4 oz
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Battery packs
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Grams
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Ounces
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3 x 18650 Lithium Ion battery pack
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157 g
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5.4 oz
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5 of the Sanyo Hr-4/3FAU batteries
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300 g
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10.5 oz
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Luma 9.6 volt pack
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544 g
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20 oz
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Homemade 12 volt pack with 10 batteries
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747 g
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27 oz
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Combinations - Lights and batteries
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Grams
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Ounces
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New P7 LED with 3 x 18650 battery pack
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222 g
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8.1 oz
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Halogen with 5 Sanyo batteries
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371 g
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13.2 oz
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Marwi P7 conversion with 6 Sanyo batteries
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487 g
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18 oz
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Luma HID combo
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753 g
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27 oz
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Marwi HID combo
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923 g
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32 oz
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Back to Bike lights
page
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