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  1. I

    MIT says future rechargeable batteries could be safer and last much longer

    Interesting read here: https://news.mit.edu/2015/solid-state-rechargeable-batteries-safer-longer-lasting-0817
  2. I

    problems with Condor 5000 charger

    I have a really old Condor 5000 charger for NiCd batteries. The charger has four slots that are divided into two groups of two, and there is an indicator LED for each group. The problem is that one of the LEDs no longer turns on. At first I thought the batteries were bad - after all, they are...
  3. I

    Supernova 300 LED lantern - anyone have experience with it?

    My father ordered one of these a few days ago. It hasn't arrived yet, but the reviews are mostly positive. Anyone here own one of these lanterns? If so, what are your experiences with it?
  4. I

    FordEx Group LED lights - anyone have experience with them?

    There's a 300-lumen LED flashlight from the FordEx Group that's very popular on Amazon right now. Here's the link: http://www.amazon.com/dp/B006E0QAFY/?tag=cpf0b6-20 The specs are nice, but the price seems seems a little too good to be true. Does anyone here have any experience with these...
  5. I

    Quark Pro QP2A vs. QP2A-X maximum run times?

    I was looking at the Quark Pro QP2A and the Quark Pro QP2A-X from FourSevens, and one thing that caught my eye was the huge difference in maximum run time. Both of these lights use two AA batteries and have the same minimum output of 0.2 lumens, yet the maximum run time for the QP2A-X is only...
  6. I

    Steren digital multimeters: are they any good?

    Some of the digital multimeters from Steren have rather attractive prices and mostly positive reviews on Amazon. Does anyone know if they're actually any good?
  7. I

    looking to replace ThinkPad T42 battery

    Is anyone here familiar with laptop batteries? If so, I need your expertise: The battery for my ThinkPad T42 is very old, and a full charge holds only a little more than a quarter of its design capacity. However, Lenovo no longer sells this particular battery. Instead, replacements are offered...
  8. I

    Maha MH-C808M charger unsafe?

    A lot of people are saying that the Maha MH-C808M is the best universal charger available. However, at least two Amazon reviewers have reported that their units have caught fire. http://www.amazon.com/review/R19GRNG2ACW6RU/ref=cm_cr_pr_cmt?ie=UTF8&ASIN=B000E65DG6...
  9. I

    exploding Li-ion batteries from Wicked Lasers?

    Has anyone seen this thread on LPF? Pretty scary stuff, if you ask me.
  10. I

    What happened here? (hot AA batteries)

    Something scary happened to me a few years ago. I put three AA alkaline batteries in an electric shaver, and it would not turn on. When I checked the batteries, I noticed that they were very hot. I became worried and threw them out. When I put in another set of batteries, the shaver worked...
  11. I

    safe to put AA cells/C shells in a 360 Lumen flashlight?

    My family just got two Life+Gear 360 flashlights, which use three C cells. I don't have many C batteries at the moment, but I do have quite a few AA ones, as well as some C adapters that use AA batteries. Is it safe to use AA cells in these lights? I'm asking this because I've heard that it can...
  12. I

    replacing built-in batteries?

    I've noticed that many "rechargeable" flashlights use built-in batteries. However, there are two major disadvantages with built-in cells: 1. When the electricity runs out, you have no choice but wait for the battery to recharge. 2. The battery will eventually wear out, and the flashlight would...
  13. I

    good carrying cases for individual lasers/flashlights?

    Does anyone know where I can get a good protective case for individual flashlights and lasers? A lot of people on LPF recommend Pelican cases, and I have no doubt that they're very good for storing multiple items, but they also tend to be too large for what I need. If I were to take a laser or a...
  14. I

    Spyder I Pro tail cap + rubber boot replacement?

    I have two questions regarding the Spyder I Pro from Wicked Lasers: 1. Has anyone here ever opened up the Spyder I Pro's tail cap? I'm really curious as to what it looks like on the inside, though I suspect it will be similar to that of many flashlights. There are two screws on the tail cap...
  15. I

    identifying manufacturers of lithium-ion batteries?

    This is probably a silly question, but is it possible to identify the manufacturer of a lithium-ion battery by the text printed on the battery? Lithium-ion batteries are not usually sold to end consumers directly, so they normally won't have flashy labels on them. However, they generally have...
  16. I

    should I use up my li-ion battery before recharging it?

    I have a pre-charged lithium-ion (18650) battery that was included with my "Spyder I Pro" laser from Wicked lasers. I know that some batteries have the memory effect; users are recommended to use up all of the charge before recharging the battery for the first time. Do lithium-ion batteries...
  17. I

    WL's 200 mW "Spyder I Pro" - the unbiased review!

    Wicked Lasers 200 mW Spyder I Pro - the unbiased review! This product has been discontinued as of July 2010. Wicked Lasers recently sent me a Spyder I Pro for evaluation. Below is the review I promised Steve. I hope you enjoy reading it as much as I did writing it. Skip to the end of this...
  18. I

    alternatives to SureFire Outdoorsman E2L?

    I've been wanting a high-powered LED flashlight for some time, and I've recently been eyeing the SureFire E2L Outdoorsman. I've generally heard good things about SureFire. However, I've also heard that SureFire is a bit like Wicked Lasers, in a sense: SureFire is one of the most popular...
  19. I

    Eco-i-Lite Home from Capstone Industries

    I recently recommended that we (my family) should get a LED flashlight for hiking at night, so my father went to Costco and bought an Eco-i-Lite Home from Capstone Industries. Does anyone know if this flashlight is good? Has anyone else ever had experience with it?
  20. I

    Imagine Peace Tower

    http://en.wikipedia.org/wiki/Imagine_Peace_Tower Has anyone ever seen this? I bet this thing could give Luxor Hotel a run for its money.

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