Welcome to my page about batteries, chargers and flashlights

This page is about batteries, chargers, flashlights and sometimes other stuff. Mostly it is reviews, but sometimes I do write articles.
To get stuff reviewed, please read this article about it.

Last additions: Sofirn 21700 4000mAh (Black), Vapcell INR21700 4200mAh T42 (Red) 2021, Vapcell INR18650 2900mAh K29 (Purple) 2021, Color Sensor TCS34725 library, Vapcell INR21700 4000mAh K40 (Black) 2021, JSC Energiya INR18650 3000mAh LITS-3 (Blue), Vapcell INR21700 3000mAh T30 (Purple) 2021, JSC Energiya ICR18650 2600mAh LITS-2.6 (Blue), Vapcell INR18650 3400mAh F34 (Green) 2021, Lishen 21700 4000mAh LR2170LA (Purple), JSC Energiya ICR18650 2200mAh LITS-2.2 (Blue), Vapcell INR21700 5000mAh P50 (Red) 2021, JSC Energiya INR18650 1500mAh LITS-1.5 (Blue), Keeppower 26650 5500mAh P2655C (Black) 2020, Samsung INR18650-35E 3500mAh (Pink) 3, Samsung INR18650-35E 3500mAh (Pink) 2, E-Stream ES18650-26EP 2600mAh (Pink) 2021, Vapcell INR18350 1400mAh F14 (Green) 2021, Vapcell INR18650 2500mAh R25 (Green) 2021, E-Stream ES18650-29MP 2900mAh (Green) 2021, Vapcell INR18650 3000mAh V2.0 (Purple) 2021, Vapcell INR18650 3000mAh P1830A (Black-green) 2020, A look at high end multimeters, Vapcell INR21700 5000mAh P2150A (Black-purple) 2021, Keeppower 21700 5000mAh P5150TC (White-Blue) 2020, Keeppower 14430 1050mAh P1443C3 (Black) 2020, Keeppower 16340 800mAh RCR123A (Black-Silver) 2020, Evva 21700 5000mAh (Black-silver) 2021, Multimeter frequency response, Keeppower 16340 800mAh P1680U (Blue-white) 2020, Keeppower 26650 5200mAh P2652U (Blue-white) 2020, Keeppower 14500 1100mAh P1450C3 (Black) 2020, Keeppower 18350 1400mAh P1835C3 (Black) 2020, Vapcell AA 1800mAh P1418A (Black-Orange) 2020, Sofirn 21700 5000mAh (Black), Using a Arduino with Test Controller, some examples, Vapcell INR21700 5000mAh T50 (Red) 2020, Library for DHT22 and AM2302 temperature and humidity sensors, Using a Arduino with Test Controller, Keeppower 14430 950mAh P1443C2 (Black) 2020, Keeppower 18650 3500mAh P1835U (White-blue) 2020, Keeppower 18650 3200mAh P1832U (Blue-white) 2020, Vapcell INR18650 3000mAh S30 (Red) 2020, Keeppower 16340 850mAh P1634C2 (Black) 2020, Murata US18650VTC4 2100mAh (Green), Keeppower 14500 950mAh P1495U (Blue-white) 2020, Vapcell INR18650 3000mAh N1830A (Cyan) 2020, Vapcell INR26350 2000mAh A20 (Red) 2020, Vapcell INR16650 2000mAh M20 (Gold) 2020, Samsung INR21700-48X 4800mAh (Gray)

Test Controller

This program can control and log from hundreds of different devices (DMM, Electronic loads, Power supplies, etc.). It can also do automatic testing. The software is Java based and works on Windows, Linux and Mac (Download is at the bottom of the page).

Batteries and battery chargers

Battery and charger reviews, including comparison between batteries.

USB power supplies/chargers and USB power boxes

Review/test of USB equipment for charging.

Article index

Index of all my articles, these articles is also listed on the different category pages.

DMM information and reviews

Reviews and articles about DMM's


This is projects I make, this may be test equipment, software or other stuff. Some of it will just show what I made, other will contain information to duplicate id.

Led driver tests

Led driver boards, these are used when modifying flashlights, reparing flashlights or build you own led lightning.

Flashlight reviews

Flashlight reviews and beamshots.

Anything else

Anything that does not fit in the above categories.

The Danish part of my website

This part is not update at the current time.

Other interesting sites

Fonarevka: all about flashlights       eneloop 101, everything about eneloop

Any comments can be mailed to info@lygte-info.dk, this is also a paypal address and can be used for donations to help me by more stuff to test.