Originally Posted by
Speed Sport Engineering
I've been using a standard charger for years on lithium batteries. Just monitor the voltage when charging. I clip my volt meter to the terminals and don't wonder too far away or you'll likely forget about it.
I unplug the charger at 14.3 volts. It will climb fast above about 13.8 so keep an eye on it.
I've even been running 2 smaller lithium batteries in parallel and have been charging them together at the same time using a standard charger and haven't had any issues.