How to make a “heavy” battery?

Thread Starter: J_C_S

I couldn’t find a better place to post this and it’s a bit of an odd request for this forum but here goes:

I have a stream light trl1hl

Last Post By: J_C_S Today, 03:57 PM

Coast 400R Rechargeable power bank On sale $19.99

Thread Starter: rwc777

Coast is having a sale, a lot of the lower dollar flashlights are sold out but I picked up a 400R to play with.

I liked that it could serve

Last Post By: rwc777 Today, 12:58 PM

MD-1 M30

Thread Starter: Russ/TN

This is what it says it is.
https://i.imgur.com/u38mhgl.jpg

Last Post By: Russ/TN Today, 10:32 AM

LUMINTOP EDC Titanium 600lm 14500/AA Flashlight Deal

Thread Starter: freeme

Last Post By: freeme Today, 10:30 AM

9V battery for rarely used thermometer and wire detector?

Thread Starter: batteryfever111

I have an iFixit infrared thermometer, and Bosch wire and pipe detector, both works with 9V batteries.

I only use them 2-3x times a year,

Last Post By: batteryfever111 Today, 03:47 PM

Veleno Designs Avant Ti

Thread Starter: 59ride

For Sale Veleno Designs Avant Ti in mint condition, never carried shelf queen.

Description from Veleno Designs website:
-6/4 Titanium

Last Post By: 59ride Yesterday, 03:17 PM

Wtb surefire saint vision

Thread Starter: teak

Anyone have the old 75 lumen vision headlamp? The housing was grey in color. I should have bought 10 of them back when they were made.

Last Post By: teak Yesterday, 02:19 PM

Kitchen scales - Eneloop or Eneloop lite

Thread Starter: batteryfever111

I have a couple of Soehnle kitchen scale, they function with 3 or 2 AAA batteries.

They need very little power, when I measure something

Last Post By: TILL-22 Today, 03:20 PM

SOLD: Malkoff MD2 x2 W/M61W

Thread Starter: nmiller

I have two Malkoff MD2s for sale. They have the high/low switch installed and the current high cri M61W. I’d like $125 shipped each. Both are basically

Last Post By: nmiller Yesterday, 08:02 PM

flashlight museum gone?

Thread Starter: snakebite

tried to look up a light and got redirected to some lightbulb dealer.
and no malware here.

Last Post By: bykfixer Yesterday, 02:34 PM

Lighting fan still a Noob: I need a formal iintro to LED's, good introduction

Thread Starter: onemorejolt

I need an introduction to LED set up , electronics and troubleshooting.
I am a self taught electronics amateur and need to get more sytematic/formal.

Last Post By: onemorejolt Yesterday, 09:35 AM

[Review] Sofirn TF84 tactical flashlight preview

Thread Starter: KG_Tuning

My review of the upcoming Sofirn TF84 tactical flashlight, with 3 switches, dual UI, 18650 battery, remote pressure switch, type-C charging and 90CRI

Last Post By: KG_Tuning Yesterday, 09:20 AM

I really don't like the single LED brake light on the new Toyota Rav4

Thread Starter: haha1234

I was behind a new Rav4 today (it's the newest generation Rav4, so either brand new or almost new), and the brake lights are just a single LED on each

Last Post By: -Virgil- 04-09-2021, 10:11 PM

New Fenix Flashlight Bundles 2021

Thread Starter: fenix store

It's time to save at Fenix Store! This week we are releasing four

Last Post By: fenix store 04-09-2021, 03:51 PM

New Product - NITECORE TIKI GITD Blue 300 Lumen Rechargeable Keychain Light

Thread Starter: NitecoreStore

Last Post By: NitecoreStore 04-09-2021, 12:50 PM