diff --git a/eos/saveddata/fit.py b/eos/saveddata/fit.py
index a360f638e..a3000267f 100644
--- a/eos/saveddata/fit.py
+++ b/eos/saveddata/fit.py
@@ -32,7 +32,7 @@ import time
 import copy
 from utils.timer import Timer
 from eos.enum import Enum
-from gnosis.formulas.formulas import Formulas
+
 
 import logging
 
@@ -50,6 +50,8 @@ class ImplantLocation(Enum):
 class Fit(object):
     """Represents a fitting, with modules, ship, implants, etc."""
 
+    PEAK_RECHARGE = 0.25
+
     def __init__(self, ship=None, name=""):
         """Initialize a fit from the program"""
         # use @mode.setter's to set __attr and IDs. This will set mode as well
@@ -878,29 +880,15 @@ class Fit(object):
 
         return self.__sustainableTank
 
-    def calculateCapRecharge(self):
-        return_matrix = Formulas.capacitor_shield_regen_matrix(self.ship.getModifiedItemAttr("capacitorCapacity"),
-                                                               self.ship.getModifiedItemAttr("rechargeRate"))
-        high_water_percent = 0
-        high_water_delta = 0
-        for item in return_matrix:
-            if high_water_delta < item['DeltaAmount']:
-                high_water_percent = item['Percent']
-                high_water_delta = item['DeltaAmount']
+    def calculateCapRecharge(self, percent = PEAK_RECHARGE):
+        capacity = self.ship.getModifiedItemAttr("capacitorCapacity")
+        rechargeRate = self.ship.getModifiedItemAttr("rechargeRate") / 1000.0
+        return 10 / rechargeRate * sqrt(percent) * (1 - sqrt(percent)) * capacity
 
-        return high_water_delta
-
-    def calculateShieldRecharge(self):
-        return_matrix = Formulas.capacitor_shield_regen_matrix(self.ship.getModifiedItemAttr("shieldCapacity"),
-                                                               self.ship.getModifiedItemAttr("shieldRechargeRate"))
-        high_water_percent = 0
-        high_water_delta = 0
-        for item in return_matrix:
-            if high_water_delta < item['DeltaAmount']:
-                high_water_percent = item['Percent']
-                high_water_delta = item['DeltaAmount']
-
-        return high_water_delta
+    def calculateShieldRecharge(self, percent = PEAK_RECHARGE):
+        capacity = self.ship.getModifiedItemAttr("shieldCapacity")
+        rechargeRate = self.ship.getModifiedItemAttr("shieldRechargeRate") / 1000.0
+        return 10 / rechargeRate * sqrt(percent) * (1 - sqrt(percent)) * capacity
 
     def addDrain(self, src, cycleTime, capNeed, clipSize=0):
         """ Used for both cap drains and cap fills (fills have negative capNeed) """