A few months ago, I bought four LG HG2 18650 batteries from MFS. I bought them in anticipation of needing new batteries, so, as recommended, I charged them up to 60% and stored them in a cool closet, recharging them to 60% again when they lost some charge.
So, recently I pulled them out and started using them. I charged them to full, and have since recharged them once more. However, a couple of them, once I use them down to about 75% full, return a "check battery" message on my device. At that point they read 3.72 volts on my voltage tester, but practically take no time to recharge. My devices, a Nebox and a Cupti, are working fine and work with other batteries. The batteries in question read 4.19 volts when fully charged.
Should I attempt to get a refund from MFS? The purchase was awhile back. MFS also said these batteries were perfect for sub-ohm devices. What could be wrong with the batteries?
Thanks in advance for any help!
So, recently I pulled them out and started using them. I charged them to full, and have since recharged them once more. However, a couple of them, once I use them down to about 75% full, return a "check battery" message on my device. At that point they read 3.72 volts on my voltage tester, but practically take no time to recharge. My devices, a Nebox and a Cupti, are working fine and work with other batteries. The batteries in question read 4.19 volts when fully charged.
Should I attempt to get a refund from MFS? The purchase was awhile back. MFS also said these batteries were perfect for sub-ohm devices. What could be wrong with the batteries?
Thanks in advance for any help!