Replacing the battery in an Innokin CoolFire IV

Preamble

Do you need to replace the battery in your Coolfire? If so, then read on…

Most of the CoolFire IV models use 18650 soldered batteries, except the TC 100 which uses a LiPo pack.

Notes

Continue reading Replacing the battery in an Innokin CoolFire IV

Feeling the need to clamp

Preamble

After watching Balance Charging: Can you parallel charge?, I realised that I needed a clamp meter. But which one?

I had already purchased a UNI-T UT71D DMM, see Choosing which Multimeter to buy, and I was very happy with it, so the UNI-T clamp meter seemed a logical choice.  Everyone seems to have the UNI-T 210E. However, there are a myriad of other options.

Continue reading Feeling the need to clamp