Hi I got that Model number too TPLI-12100AH, 299.00 for mine It's been hooked up for 3 weeks now. working great time will tell. found there website haven't had to contacted them yet. 10 year warranty hooked up in parallel with POWR Queen 100ah lifepo4 12v charged it to the same voltage as the Powr Queen left them hooked up for 24hrs alone. hooked the to my set up both keep the same voltage charging or discharge.