diff --git a/homeassistant/components/silla_prism/const.py b/homeassistant/components/silla_prism/const.py
index 07f18a1ad251..cf07ab4a674f 100644
--- a/homeassistant/components/silla_prism/const.py
+++ b/homeassistant/components/silla_prism/const.py
@@ -6,7 +6,7 @@ from homeassistant.const import Platform
 
 DOMAIN: Final = "silla_prism"
 
-PLATFORMS: Final = [Platform.SELECT, Platform.SENSOR]
+PLATFORMS: Final = [Platform.NUMBER, Platform.SELECT, Platform.SENSOR]
 
 CONF_BASE_TOPIC: Final = "base_topic"
 
@@ -18,3 +18,7 @@ MODEL: Final = "Prism"
 #: Charging port targeted by this integration. Single-cable Prisms only expose
 #: port 1; DUO support (port 2) is intentionally left for a follow-up.
 PORT: Final = 1
+
+#: Minimum/maximum charging current, in amps, as accepted by Prism.
+MIN_CURRENT: Final = 6
+MAX_CURRENT: Final = 32
diff --git a/homeassistant/components/silla_prism/number.py b/homeassistant/components/silla_prism/number.py
new file mode 100644
index 000000000000..45b93827bff5
--- /dev/null
+++ b/homeassistant/components/silla_prism/number.py
@@ -0,0 +1,50 @@
+"""Number platform for the Silla Prism integration."""
+
+from typing import override
+
+from homeassistant.components.number import NumberDeviceClass, NumberEntity, NumberMode
+from homeassistant.const import UnitOfElectricCurrent
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from .const import MAX_CURRENT, MIN_CURRENT, PORT
+from .coordinator import PrismConfigEntry, PrismCoordinator
+from .entity import PrismEntity
+
+PARALLEL_UPDATES = 0
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: PrismConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the Prism number entities."""
+    async_add_entities([PrismUserCurrentNumber(entry.runtime_data)])
+
+
+class PrismUserCurrentNumber(PrismEntity, NumberEntity):
+    """User-set maximum charging current (mirrors the +/- buttons)."""
+
+    _attr_translation_key = "user_current"
+    _attr_device_class = NumberDeviceClass.CURRENT
+    _attr_native_unit_of_measurement = UnitOfElectricCurrent.AMPERE
+    _attr_native_min_value = MIN_CURRENT
+    _attr_native_max_value = MAX_CURRENT
+    _attr_native_step = 1
+    _attr_mode = NumberMode.SLIDER
+
+    def __init__(self, coordinator: PrismCoordinator) -> None:
+        """Initialize the number entity."""
+        super().__init__(coordinator, "user_current")
+
+    @property
+    @override
+    def native_value(self) -> float | None:
+        """Return the user-set current reported by Prism, in amps."""
+        return self.coordinator.device.status.port(PORT).user_current
+
+    @override
+    async def async_set_native_value(self, value: float) -> None:
+        """Set the user maximum charging current."""
+        await self.coordinator.device.set_current_user(int(value), PORT)
diff --git a/homeassistant/components/silla_prism/strings.json b/homeassistant/components/silla_prism/strings.json
index 503268a742aa..736531fa1765 100644
--- a/homeassistant/components/silla_prism/strings.json
+++ b/homeassistant/components/silla_prism/strings.json
@@ -28,6 +28,11 @@
     }
   },
   "entity": {
+    "number": {
+      "user_current": {
+        "name": "Maximum charging current"
+      }
+    },
     "select": {
       "charging_mode": {
         "name": "Charging mode",
diff --git a/tests/components/silla_prism/snapshots/test_number.ambr b/tests/components/silla_prism/snapshots/test_number.ambr
new file mode 100644
index 000000000000..0653f1457dac
--- /dev/null
+++ b/tests/components/silla_prism/snapshots/test_number.ambr
@@ -0,0 +1,62 @@
+# serializer version: 1
+# name: test_numbers[number.silla_prism_maximum_charging_current-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': dict({
+      <NumberEntityCapabilityAttribute.MAX: 'max'>: 32,
+      <NumberEntityCapabilityAttribute.MIN: 'min'>: 6,
+      <NumberEntityCapabilityAttribute.MODE: 'mode'>: <NumberMode.SLIDER: 'slider'>,
+      <NumberEntityCapabilityAttribute.STEP: 'step'>: 1,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'number',
+    'entity_category': None,
+    'entity_id': 'number.silla_prism_maximum_charging_current',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Maximum charging current',
+    'options': dict({
+    }),
+    'original_device_class': <NumberDeviceClass.CURRENT: 'current'>,
+    'original_icon': None,
+    'original_name': 'Maximum charging current',
+    'platform': 'silla_prism',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'user_current',
+    'unique_id': 'prism_user_current',
+    'unit_of_measurement': <UnitOfElectricCurrent.AMPERE: 'A'>,
+  })
+# ---
+# name: test_numbers[number.silla_prism_maximum_charging_current-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      <EntityStateAttribute.DEVICE_CLASS: 'device_class'>: 'current',
+      <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Silla Prism Maximum charging current',
+      <NumberEntityCapabilityAttribute.MAX: 'max'>: 32,
+      <NumberEntityCapabilityAttribute.MIN: 'min'>: 6,
+      <NumberEntityCapabilityAttribute.MODE: 'mode'>: <NumberMode.SLIDER: 'slider'>,
+      <NumberEntityCapabilityAttribute.STEP: 'step'>: 1,
+      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: <UnitOfElectricCurrent.AMPERE: 'A'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'number.silla_prism_maximum_charging_current',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '6',
+  })
+# ---
diff --git a/tests/components/silla_prism/test_number.py b/tests/components/silla_prism/test_number.py
new file mode 100644
index 000000000000..0c7ff16002a9
--- /dev/null
+++ b/tests/components/silla_prism/test_number.py
@@ -0,0 +1,74 @@
+"""Test the Silla Prism numbers."""
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.number import (
+    ATTR_VALUE,
+    DOMAIN as NUMBER_DOMAIN,
+    SERVICE_SET_VALUE,
+)
+from homeassistant.const import ATTR_ENTITY_ID, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import fire_burst, setup_integration
+
+from tests.common import MockConfigEntry, async_fire_mqtt_message, snapshot_platform
+from tests.typing import MqttMockHAClient
+
+USER_CURRENT_ENTITY_ID = "number.silla_prism_maximum_charging_current"
+USER_AMP_TOPIC = "prism/1/user_amp"
+SET_CURRENT_USER_TOPIC = "prism/1/command/set_current_user"
+
+
+async def test_numbers(
+    hass: HomeAssistant,
+    mqtt_mock: MqttMockHAClient,
+    mock_config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test the numbers."""
+    await setup_integration(hass, mock_config_entry, [Platform.NUMBER])
+    await fire_burst(hass)
+
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+
+async def test_set_user_current(
+    hass: HomeAssistant,
+    mqtt_mock: MqttMockHAClient,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test that setting the current publishes the matching command."""
+    await setup_integration(hass, mock_config_entry)
+    await fire_burst(hass)
+
+    await hass.services.async_call(
+        NUMBER_DOMAIN,
+        SERVICE_SET_VALUE,
+        {ATTR_ENTITY_ID: USER_CURRENT_ENTITY_ID, ATTR_VALUE: 16},
+        blocking=True,
+    )
+
+    mqtt_mock.async_publish.assert_called_once_with(
+        SET_CURRENT_USER_TOPIC, "16", 0, False, message_expiry_interval=None
+    )
+
+
+@pytest.mark.usefixtures("mqtt_mock")
+async def test_user_current_updates(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test that the current follows the one reported by Prism."""
+    await setup_integration(hass, mock_config_entry)
+    await fire_burst(hass)
+
+    assert hass.states.get(USER_CURRENT_ENTITY_ID).state == "6"
+
+    async_fire_mqtt_message(hass, USER_AMP_TOPIC, "20")
+    await hass.async_block_till_done()
+
+    assert hass.states.get(USER_CURRENT_ENTITY_ID).state == "20"