TSC Alpha 3L Portable Printer Compatible Battery 7.4V 3000mAh VX6330 and the protection circuit tripped

and the protection circuit tripped at the expected low-voltage threshold without requiring a manual reset

this battery stands up to regular cycling and environmental stresses typical in UPS installations

if the curve doesn't match what the firmware expects

and 502236 all cross to this cell

TSC Alpha 3L Portable Printer Compatible Battery 7.4V 3000mAh VX6330 and the protection circuit trippedTSC Alpha 3L 7. 4V Li ion Replacement Battery (P SB 002 TDM BAT30S) This is a 7. 4V, 3000mAh Li ion replacement battery for the TSC Alpha 3L mobile thermal printer. It fits the Alpha 3L's battery bay directly, using the same connector and BMS communication profile as the original cell. Capacity is 3000mAh (22. 2Wh), matching the stock specification. Alpha 3L platform fit: The Alpha 3L uses a 7. 4V two cell Li ion pack with a BMS that monitors cell