ebike BOTTLE battery TEARDOWN 18650 cells HARVEST : FIRE!!

Just tearing down some 18650 cells from a 36v bottle battery that seemed to only give half the range before kunking out

BMS Protective] --- Equipped with a 25A BMS protective plate in battery to ensure the long life expectancy.
[High-tech lithium] --- High-tech lithium technology products, with long cycle life, small size, light weight, its service life is 1.5 times that of lead-acid, the volume is about 1/2 of lead-acid batteries, the weight is about 1/3 of lead-acid batteries.
[Suggested Charging Voltage] --- The battery should be promptly charged, the suggested charging voltage for 36V battery is 42V, 54.6V for the 48V battery, charging is finished when the red light is off and green light is on.
[Material & Details] --- Li-polymer; Charge current: 2A; Max discharge current:25A; Charging mode: CC/AC; AC input: 110-240v,50/60HZ; Max charge voltage: 36V-42V,48V-54.6V ;Cycle life: About 2000 cycles; Charging time: 7.5 hours; 10.4Ah battery: zhuoneng cell 2500mAh; Battery size:Φ95*320mm.
[Not Over-discharge] --- Do not over-discharge the battery, over-discharge will harm the battery badly. For 36V/48V battery, the discharge voltage should not be lower than 30V/39V. The battery should be recharged before using.