Heavy duty flashlight with good built-in charger under 40usd

[djozz]

Has anyone tested the charging of the EE X6R ?

As I understand if one of those dead cheap TP4056 charger controller chips is used inside, the charging can't go really wrong.

TP4056-Based DIY Dual Channel Charger. "Poorman's CC/CV" ($3.75)

So I got a couple TP4056 controller based single cell charging boards just for fun purposes… They cost less than $1 each in ebay so why not. HKJ has a very detailed review here.. The fully built “Poorman’s CC/CV” dual channel charger costs only $3.75 to make, breakdown: –2x TP4056 boards $0.75 –1x Dual 18650 holder $1.65 –2x Mini Heatsink $0.30 These little things pulls about 1A each and generate a decent amount of heat, so I secured them with thermal adhesive over a heatsink and they only …