diff --git a/data/proto_nd_flow/2x2_run1-2_lifetime.json b/data/proto_nd_flow/2x2_run1-2_lifetime.json
new file mode 100644
index 00000000..b01f6967
--- /dev/null
+++ b/data/proto_nd_flow/2x2_run1-2_lifetime.json
@@ -0,0 +1,474 @@
+{
+    "2024_07_07_14_09_33": [
+        0.74352,
+        0.008433
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+    "2024_07_07_20_10_13": [
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+        1.8580640000000002,
+        0.032045000000000004
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+        1.749727,
+        0.030654
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+        1.7136259999999999,
+        0.020245000000000003
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+        1.120346,
+        0.019279
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+        0.8741140000000001,
+        0.01038
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+        0.645285,
+        0.0053360000000000005
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+        0.6840940000000001,
+        0.005514
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+        0.655208,
+        0.0056500000000000005
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+        0.6867880000000001,
+        0.006091999999999999
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+        0.640153,
+        0.005468
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+        0.0052380000000000005
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+        0.6649539999999999,
+        0.005921999999999999
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+    "2025_10_10_22_45_33": [
+        0.639104,
+        0.004579
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+    "2025_10_10_23_28_22": [
+        0.6326609999999999,
+        0.004716000000000001
+    ],
+    "2025_10_11_00_26_17": [
+        0.659384,
+        0.004866
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+    "2025_10_11_01_19_10": [
+        0.740931,
+        0.008262
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+    "2025_10_11_02_08_16": [
+        0.7493099999999999,
+        0.0066500000000000005
+    ],
+    "2025_10_11_02_51_04": [
+        0.742713,
+        0.006351
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+    "2025_10_11_03_32_37": [
+        0.767288,
+        0.007402
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+    "2025_10_11_04_21_43": [
+        0.760443,
+        0.0079
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+    "2025_10_11_05_42_17": [
+        0.96199,
+        0.012927
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+    "2025_10_17_08_28_42": [
+        1.27257,
+        0.029623
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+    "2025_10_17_15_47_10": [
+        1.214058,
+        0.022681999999999997
+    ],
+    "2025_10_18_02_18_32": [
+        1.051557,
+        0.027791
+    ],
+    "2025_10_18_07_08_44": [
+        1.0231649999999999,
+        0.027445
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+    "2025_10_18_13_16_46": [
+        0.828589,
+        0.014073
+    ],
+    "2025_10_18_18_30_13": [
+        0.764439,
+        0.011181
+    ],
+    "2025_10_19_02_12_14": [
+        0.729905,
+        0.010583
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+    "2025_10_19_06_40_23": [
+        0.723062,
+        0.011734
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+    "2025_10_20_02_03_24": [
+        0.645203,
+        0.006064
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+    "2025_10_20_17_40_00": [
+        0.626716,
+        0.00524
+    ],
+    "2025_10_21_02_14_57": [
+        0.632948,
+        0.01031
+    ],
+    "2025_10_24_02_09_47": [
+        0.776481,
+        0.008383
+    ],
+    "2025_10_25_02_07_45": [
+        0.982676,
+        0.012062
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+    "2025_10_25_06_23_19": [
+        1.060967,
+        0.015518
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+    "2025_10_25_10_32_36": [
+        1.054358,
+        0.013986
+    ],
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+        1.1151179999999998,
+        0.015192
+    ],
+    "2025_10_25_21_18_12": [
+        1.17322,
+        0.017249
+    ],
+    "2025_10_26_02_00_12": [
+        1.180962,
+        0.016946000000000003
+    ],
+    "2025_10_26_06_00_40": [
+        1.1658,
+        0.015757999999999998
+    ],
+    "2025_10_27_02_11_43": [
+        1.246732,
+        0.018539
+    ],
+    "2025_10_27_06_10_55": [
+        1.2479390000000001,
+        0.019809999999999998
+    ],
+    "2025_10_27_15_48_57": [
+        1.298683,
+        0.046398
+    ],
+    "2025_10_28_02_18_47": [
+        1.27698,
+        0.018811
+    ],
+    "2025_10_28_06_25_20": [
+        1.2864069999999999,
+        0.020460000000000002
+    ],
+    "2025_10_31_16_55_10": [
+        1.060516,
+        0.013498
+    ],
+    "2025_10_31_19_17_10": [
+        1.081461,
+        0.01479
+    ],
+    "2025_10_31_21_32_20": [
+        1.090777,
+        0.014638
+    ],
+    "2025_11_01_01_06_20": [
+        1.058897,
+        0.014254
+    ],
+    "2025_11_01_03_32_46": [
+        1.0777739999999998,
+        0.015048
+    ],
+    "2025_11_01_06_02_06": [
+        1.0880370000000001,
+        0.013854
+    ],
+    "2025_11_01_08_40_38": [
+        1.067015,
+        0.01463
+    ],
+    "2025_11_01_11_03_18": [
+        1.044052,
+        0.013781
+    ],
+    "2025_11_01_13_18_27": [
+        1.069262,
+        0.014747999999999999
+    ],
+    "2025_11_01_15_41_08": [
+        1.1099459999999999,
+        0.016561
+    ],
+    "2025_11_01_18_03_48": [
+        1.06435,
+        0.013582
+    ],
+    "2025_11_01_20_18_57": [
+        1.04041,
+        0.014236
+    ],
+    "2025_11_01_22_34_07": [
+        1.0780399999999999,
+        0.014864
+    ],
+    "2025_11_02_00_56_49": [
+        1.103758,
+        0.01511
+    ],
+    "2025_11_02_02_23_12": [
+        1.046256,
+        0.013841
+    ],
+    "2025_11_02_04_34_37": [
+        1.067242,
+        0.014973
+    ],
+    "2025_11_02_06_49_47": [
+        1.093028,
+        0.014785
+    ],
+    "2025_11_02_11_14_50": [
+        1.048391,
+        0.013795
+    ],
+    "2025_11_02_14_13_18": [
+        1.097607,
+        0.015567000000000001
+    ],
+    "2025_11_02_18_17_08": [
+        1.088358,
+        0.015138
+    ],
+    "2025_11_02_20_52_27": [
+        1.132444,
+        0.015529
+    ],
+    "2025_11_03_00_56_29": [
+        1.065292,
+        0.013782
+    ],
+    "2025_11_03_03_11_39": [
+        1.093893,
+        0.01298
+    ],
+    "2025_11_03_05_26_48": [
+        1.136795,
+        0.017195000000000002
+    ],
+    "2025_11_07_12_52_48": [
+        1.3407650000000002,
+        0.026302
+    ],
+    "2025_11_11_14_56_00": [
+        1.773285,
+        0.035783
+    ],
+    "2025_11_12_12_33_35": [
+        2.02148,
+        0.051752
+    ],
+    "2025_11_15_10_37_25": [
+        1.681616,
+        0.027698
+    ],
+    "2025_11_15_13_07_36": [
+        1.9644359999999998,
+        0.043966
+    ],
+    "2025_11_16_12_14_47": [
+        2.708748,
+        0.085419
+    ],
+    "2025_11_17_08_54_04": [
+        3.145114,
+        0.119239
+    ],
+    "2025_11_18_15_05_15": [
+        0.682123,
+        0.0072510000000000005
+    ],
+    "2025_11_18_17_54_59": [
+        0.266778,
+        0.001029
+    ],
+    "2025_11_18_20_53_13": [
+        0.30748899999999996,
+        0.0014010000000000001
+    ],
+    "2025_11_19_01_10_53": [
+        0.458187,
+        0.0028380000000000002
+    ],
+    "2025_11_19_03_41_04": [
+        0.517116,
+        0.003585
+    ],
+    "2025_11_19_06_10_59": [
+        0.609855,
+        0.005313
+    ],
+    "2025_11_19_14_20_49": [
+        1.059595,
+        0.013349
+    ],
+    "2025_11_20_01_31_56": [
+        1.5738910000000002,
+        0.032451999999999995
+    ],
+    "2025_11_20_05_10_28": [
+        1.620198,
+        0.030063
+    ],
+    "2025_12_09_11_59_40": [
+        0.13955199999999998,
+        0.000874
+    ],
+    "2025_12_09_15_31_21": [
+        0.15654200000000001,
+        0.0009509999999999999
+    ],
+    "2025_12_09_18_46_35": [
+        0.153429,
+        0.00086
+    ],
+    "2025_12_09_22_09_19": [
+        0.14261500000000002,
+        0.0009220000000000001
+    ],
+    "2025_12_10_01_39_34": [
+        0.13104,
+        0.001001
+    ],
+    "2025_12_10_12_40_22": [
+        0.130536,
+        0.00063
+    ],
+    "2025_12_10_15_48_05": [
+        0.17835499999999999,
+        0.000743
+    ],
+    "2025_12_10_18_33_17": [
+        0.23319900000000002,
+        0.0009599999999999999
+    ],
+    "2025_12_10_21_10_58": [
+        0.302838,
+        0.001375
+    ],
+    "2025_12_11_01_11_15": [
+        0.428134,
+        0.002438
+    ],
+    "2025_12_11_03_41_26": [
+        0.516415,
+        0.003494
+    ],
+    "2025_12_11_06_11_37": [
+        0.6212219999999999,
+        0.005292
+    ]
+}
\ No newline at end of file
diff --git a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData.yaml b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData.yaml
index 840ebb95..1dc122dd 100644
--- a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData.yaml
+++ b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData.yaml
@@ -31,4 +31,7 @@ params:
   #flag to perform ADC droop calibration
   adc_droop_calibration: True
 
+  elifetime_calibration: True
+
+
   pedestal_file: '/global/common/software/dune/mkramer/devel/flow4pedestal/reference-cold-pedestal-2024_06_05_08_28_19_CDTevd_ped.tile_id.decimal.json'
diff --git a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData_Run2.yaml b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData_Run2.yaml
index 53c39801..9c4fdcb7 100644
--- a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData_Run2.yaml
+++ b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderData_Run2.yaml
@@ -30,6 +30,7 @@ params:
 
   #flag to perform ADC droop calibration
   adc_droop_calibration: True
+  elifetime_calibration: True
 
   # from Sam F:
   pedestal_file: '/global/common/software/dune/mkramer/devel/flow4pedestal/packet-pedestal_nominal_60min-2025_10_02_23_03_26_CDT.json'
diff --git a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderMC.yaml b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderMC.yaml
index 701d49b2..b85be721 100644
--- a/yamls/proto_nd_flow/reco/charge/CalibHitBuilderMC.yaml
+++ b/yamls/proto_nd_flow/reco/charge/CalibHitBuilderMC.yaml
@@ -32,5 +32,6 @@ params:
   vcm_mv: 478.1 #M0-like:288 #478.0 #2x2: 478.1
   adc_counts: 256
   gain: 4.522 #datasheet: 4 #measurement(?): 4.522
+  elifetime_calibration: True
 
   pedestal_file: 'data/proto_nd_flow/reference-cold-pedestal-2024_06_05_08_28_19_CDTevd_ped.tile_id_swapped.decimal.json'
diff --git a/yamls/proto_nd_flow/resources/LArData.yaml b/yamls/proto_nd_flow/resources/LArData.yaml
index d7f6e0b7..2ab536b8 100644
--- a/yamls/proto_nd_flow/resources/LArData.yaml
+++ b/yamls/proto_nd_flow/resources/LArData.yaml
@@ -5,6 +5,7 @@ params:
   # electron_lifetime_file: 'data/module0_flow/ElecLifetimeFit_Module0.npz'
   # download link: https://portal.nersc.gov/project/dune/data/Module0/electronLifetime/ElecLifetimeFit_Module0.root
   electron_lifetime: 2200 # us
+  electron_lifetime_file: "data/proto_nd_flow/2x2_run1-2_lifetime.json"
   #: Recombination :math:`\alpha` constant for the Box model
   box_alpha: 0.93
   #: Recombination :math:`\beta` value for the Box model in :math:`(kV/cm)(g/cm^2)/MeV`
@@ -15,3 +16,4 @@ params:
   birks_kb: 0.0486 # g/cm2/MeV Amoruso, et al NIM A 523 (2004) 275
   #: Average energy expended per ion pair in LAr in :math:`eV` from Phys. Rev. A 10, 1452
   W_ion: 23.6
+  vdrift: [1.583]  #mm/µm