ThePowerSource
New member
- Joined
- Jun 6, 2018
- Messages
- 6
Hi,
I have around 12 new laptop packs that all have these odd looking cells, I have tested them and they perform really well considering their size and capacity but I have no idea what they are except that they are Li-Ion based. Does anyone know what they are?
They are rated at 1800mAh but this is the only information I have.
I ran a 2A discharge and as you can see they hold their voltage really well and their temperature only raised by a few degree's C. Their IR is 47mOhm based on the EBD A20H or for a better comparison they have 15% more IR than a new Samsung 26F. I compared these to other high quality branded18650's and statistically they are comparable just with less capacity obviously.
They have a central negative anode and the main body is the cathode, opposite to what you would typically expect and they use an all metal casing which isaround33x47x9mm.
Theyremind me of those "dual 18650" looking Boston Swing cells.
I have around 12 new laptop packs that all have these odd looking cells, I have tested them and they perform really well considering their size and capacity but I have no idea what they are except that they are Li-Ion based. Does anyone know what they are?
They are rated at 1800mAh but this is the only information I have.
I ran a 2A discharge and as you can see they hold their voltage really well and their temperature only raised by a few degree's C. Their IR is 47mOhm based on the EBD A20H or for a better comparison they have 15% more IR than a new Samsung 26F. I compared these to other high quality branded18650's and statistically they are comparable just with less capacity obviously.
They have a central negative anode and the main body is the cathode, opposite to what you would typically expect and they use an all metal casing which isaround33x47x9mm.
Theyremind me of those "dual 18650" looking Boston Swing cells.