diff --git a/goodwe_controller/test_safety87.py b/goodwe_controller/test_safety87.py
index e410ba2..0f5ff80 100644
--- a/goodwe_controller/test_safety87.py
+++ b/goodwe_controller/test_safety87.py
@@ -33,6 +33,7 @@ import json
 import logging
 import os
 import sys
+import types
 
 HERE = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, HERE)
@@ -393,6 +394,33 @@ check("...and at N=1 the floor-limited claim is unchanged: 0 W, 'SoC floor'",
       peakguard.claim(_lim).lo == 0.0
       and peakguard.claim(_lim).reason == "SoC floor")
 
+
+
+def three(socs, cuts):
+    """`_peak_on_able()` on a stub roster of three (SIMULATED packs)."""
+    names = ("x", "y", "z")
+    invs = [types.SimpleNamespace(name=n, refused=0, rating_w=lambda: 2500.0)
+            for n in names]
+    stub = types.SimpleNamespace(
+        inverters=invs, o={"peak_soc_floor": 20},
+        packs=[peakguard.Pack(n, so, c) for n, so, c in zip(names, socs, cuts)],
+        live_units=lambda: names)
+    return Controller._peak_on_able(stub, _lim, [MaintResult(
+        IDLE, False, None, False, [])] * 3)
+
+
+# x 25 % (cut-out 10 -> floor 20), y 40 % (cut-out 30), z 15 % (held). x and
+# y each clear their own floor, but 25 % is not above y's 30 %: the pair is
+# graded min SoC against max floor (SAFETY-32), so nothing is asked.
+_t3 = three((25.0, 40.0, 15.0), (10, 30, 10))
+_t3ok = three((35.0, 40.0, 15.0), (10, 30, 10))
+check("⭐ three batteries, z held: the two others are graded as a pair, the "
+      "EMPTIEST of them (25 %) against the HIGHEST of their floors (30 %), "
+      "so nothing is asked; at 35 % they are asked for the need",
+      _t3.held == ("z",) and _t3.floor_limited and _t3.floor_w == 0.0
+      and _t3ok.held == ("z",) and not _t3ok.floor_limited
+      and _t3ok.floor_w == 2000.0)
+
 # ============================================================================ #
 print("\n6. the allocator: a held battery gives last")
 
@@ -474,6 +502,13 @@ check("...the row names A and says the others cannot hold the limit alone, "
       len(_row) == 1 and _row[0]["text"].startswith(
           "inverter-a battery at its peak reserve. The others cannot hold "
           "the 3 500 W peak limit alone."))
+_c65._peak_floor_limited = False
+_blip = [r for r in _c65.checks() if r.get("id") == "peak_guard"]
+_c65._peak_floor_limited = True
+check("...and while the alarm is not latched (a one-cycle miss) the row is "
+      "the ordinary amber guard row, not the red reserve row",
+      len(_blip) == 1 and _blip[0]["warn"] and not _blip[0].get("runs")
+      and "peak reserve" not in _blip[0]["text"])
 _c65.auto = False
 _stopped = _c65.status_payload()
 _c65.auto = True