diff --git a/Cargo.toml b/Cargo.toml
index 2b8a16d..38ca557 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,5 +30,6 @@ default-trait-access = { level = "allow", priority = 1 }
 missing-errors-doc = { level = "allow", priority = 1 }
 missing-panics-doc = { level = "allow", priority = 1 }
 module-name-repetitions = { level = "allow", priority = 1 }
+similar-names = { level = "allow", priority = 1 }
 struct-excessive-bools = { level = "allow", priority = 1 }
 too-many-lines = { level = "allow", priority = 1 }
diff --git a/charge-controller-supervisor/src/controller.rs b/charge-controller-supervisor/src/controller.rs
index 345fa90..90352fa 100644
--- a/charge-controller-supervisor/src/controller.rs
+++ b/charge-controller-supervisor/src/controller.rs
@@ -43,6 +43,12 @@ impl ControllerState {
     }
 }
 
+#[derive(serde::Serialize, Clone)]
+#[serde(tag = "model")]
+pub enum ControllerSettings {
+    Tristar(tristar::TristarSettings),
+}
+
 #[derive(Clone, Copy, Debug)]
 pub enum VoltageCommand {
     Set(f64),
@@ -55,7 +61,7 @@ impl Controller {
         Self,
         Option<tokio::sync::mpsc::UnboundedSender<VoltageCommand>>,
     )> {
-        let inner = match config.variant {
+        let mut inner = match config.variant {
             crate::config::ChargeControllerVariant::Tristar => ControllerInner::Tristar(
                 tristar::Tristar::new(&config.name, &config.transport).await?,
             ),
@@ -73,6 +79,15 @@ impl Controller {
 
         let data = std::sync::Arc::new(ControllerData::new());
 
+        if let ControllerInner::Tristar(t) = &mut inner {
+            match t.read_settings().await {
+                Ok(v) => {
+                    *data.write_settings().await = Some(ControllerSettings::Tristar(v));
+                }
+                Err(e) => log::error!("couldn't read config from tristar {}: {e:?}", config.name),
+            }
+        }
+
         let (voltage_tx, voltage_rx) = if config.follow_primary {
             let (a, b) = tokio::sync::mpsc::unbounded_channel();
             (Some(a), Some(b))
diff --git a/charge-controller-supervisor/src/controller/tristar.rs b/charge-controller-supervisor/src/controller/tristar.rs
index bd6e830..bc4ce10 100644
--- a/charge-controller-supervisor/src/controller/tristar.rs
+++ b/charge-controller-supervisor/src/controller/tristar.rs
@@ -80,6 +80,286 @@ impl ModbusTimeout {
         Ok(v)
     }
 }
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub struct TristarSettings {
+    network: NetworkSettings,
+    charge: ChargeSettings,
+}
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub struct NetworkSettings {
+    http_port: u16,
+    modbus_port: u16,
+    ip_bridging_enabled: bool,
+    snmp_trap_port: u16,
+    ethernet_power_saving: bool,
+}
+
+const NETWORK_DATA_ADDR_START: u16 = 0x151b;
+const NETWORK_DATA_ADDR_END: u16 = 0x1521;
+const NETWORK_DATA_LENGTH: u16 = NETWORK_DATA_ADDR_END - NETWORK_DATA_ADDR_START;
+
+impl NetworkSettings {
+    fn from_buf(buf: &[u16]) -> eyre::Result<Self> {
+        fn get(buf: &[u16], addr: TristarEepromAddress) -> eyre::Result<u16> {
+            let addr = (addr as u16)
+                .checked_sub(NETWORK_DATA_ADDR_START)
+                .ok_or_else(|| eyre::eyre!("wrong address range!"))?;
+
+            let word = buf
+                .get::<usize>(addr.into())
+                .ok_or_else(|| eyre::eyre!("address out of bounds!"))?;
+            Ok(*word)
+        }
+
+        let http_port = get(buf, TristarEepromAddress::HTTPPort)?;
+        let modbus_port = get(buf, TristarEepromAddress::MBIPPort)?;
+        let ip_bridging_enabled = get(buf, TristarEepromAddress::NetRules)? != 0;
+        let snmp_trap_port = get(buf, TristarEepromAddress::SNMPTrapRecPort)?;
+        let ethernet_power_saving = get(buf, TristarEepromAddress::EthernetPowerSaveMode)? == 1;
+
+        Ok(Self {
+            http_port,
+            modbus_port,
+            ip_bridging_enabled,
+            snmp_trap_port,
+            ethernet_power_saving,
+        })
+    }
+}
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub struct ChargeSettings {
+    absorption_voltage: f64,
+    float_voltage: f64,
+    absorption_time_seconds: u16,
+    absorption_extension_time_seconds: u16,
+    absorption_extension_voltage: f64,
+    float_cancel_voltage: f64,
+    float_exit_timer_seconds: u16,
+    equalize_voltage: f64,
+    equalize_interval_days: u16,
+    equalize_time_limit_above_vreg: u16,
+    equalize_time_limit_at_veq: u16,
+    battery_service_days: u16,
+    temperature_compensation_raw: u16,
+    high_voltage_disconnect: f64,
+    high_voltage_reconnect: f64,
+    battery_charge_reference_limit: f64,
+    max_temp_comp_raw: u16,
+    min_temp_comp_raw: u16,
+    modbus_slave_address: u16,
+    meterbus_address: u16,
+    battery_current_limit: f64,
+    array_target_voltage: f64,
+    array_target_voltage_percentage_raw: u16,
+    led_thresholds: LedThresholds,
+    read_only: ReadOnly,
+}
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub struct LedThresholds {
+    green_to_greenyellow: f64,
+    greenyellow_to_yellow: f64,
+    yellow_to_yellowred: f64,
+    yellowred_to_red: f64,
+}
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub struct ReadOnly {
+    hourmeter: u32,
+    charge_ah_resetable: f64,
+    charge_ah_total: f64,
+    charge_kwh_resetable: u16,
+    charge_kwh_total: u16,
+    vb_min: f64,
+    vb_max: f64,
+    va_max: f64,
+    days_since_last_equalize: u16,
+    battery_service_timer_days: u16,
+    serial: u64,
+    model: Model,
+    hardware_version: u16,
+}
+
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
+pub enum Model {
+    Tristar45A,
+    Tristar60A,
+}
+
+const CHARGE_DATA_ADDR_START: u16 = 0xE000;
+
+impl ChargeSettings {
+    fn from_buf(buf: &[u16], scaling: &Scaling) -> eyre::Result<Self> {
+        fn get(buf: &[u16], address: TristarEepromAddress) -> eyre::Result<u16> {
+            let addr = (address as u16)
+                .checked_sub(CHARGE_DATA_ADDR_START)
+                .ok_or_else(|| eyre::eyre!("wrong address range!"))?;
+
+            let word = buf
+                .get::<usize>(addr.into())
+                .ok_or_else(|| eyre::eyre!("address {address:?} out of bounds at {addr:#X?}!"))?;
+            Ok(*word)
+        }
+
+        let absorption_voltage = scaling.get_voltage(get(buf, TristarEepromAddress::EvAbsorp)?);
+        let float_voltage = scaling.get_voltage(get(buf, TristarEepromAddress::EvFloat)?);
+
+        let absorption_time_seconds = get(buf, TristarEepromAddress::EtAbsorp)?;
+        let absorption_extension_time_seconds = get(buf, TristarEepromAddress::EtAbsorp)?;
+
+        let absorption_extension_voltage =
+            scaling.get_voltage(get(buf, TristarEepromAddress::EvAbsorpExt)?);
+        let float_cancel_voltage =
+            scaling.get_voltage(get(buf, TristarEepromAddress::EvFloatCancel)?);
+
+        let float_exit_timer_seconds = get(buf, TristarEepromAddress::EtFloatExitCum)?;
+
+        let equalize_voltage = scaling.get_voltage(get(buf, TristarEepromAddress::EvEq)?);
+        let equalize_interval_days = get(buf, TristarEepromAddress::EtEqcalendar)?;
+        let equalize_time_limit_above_vreg = get(buf, TristarEepromAddress::EtEqAbove)?;
+        let equalize_time_limit_at_veq = get(buf, TristarEepromAddress::EtEqReg)?;
+
+        let battery_service_days = get(buf, TristarEepromAddress::EtBattService)?;
+
+        let temperature_compensation_raw = get(buf, TristarEepromAddress::EvTempcomp)?;
+
+        let high_voltage_disconnect = scaling.get_voltage(get(buf, TristarEepromAddress::EvHvd)?);
+        let high_voltage_reconnect = scaling.get_voltage(get(buf, TristarEepromAddress::EvHvr)?);
+
+        let battery_charge_reference_limit =
+            scaling.get_voltage(get(buf, TristarEepromAddress::EvbRefLim)?);
+
+        let max_temp_comp_raw = get(buf, TristarEepromAddress::EtbMax)?;
+        let min_temp_comp_raw = get(buf, TristarEepromAddress::EtbMin)?;
+
+        let led_thresholds = {
+            let green_to_greenyellow =
+                scaling.get_voltage(get(buf, TristarEepromAddress::EvSocGGy)?);
+            let greenyellow_to_yellow =
+                scaling.get_voltage(get(buf, TristarEepromAddress::EvSocGyY)?);
+            let yellow_to_yellowred =
+                scaling.get_voltage(get(buf, TristarEepromAddress::EvSocYYr)?);
+            let yellowred_to_red = scaling.get_voltage(get(buf, TristarEepromAddress::EvSocYrR)?);
+
+            LedThresholds {
+                green_to_greenyellow,
+                greenyellow_to_yellow,
+                yellow_to_yellowred,
+                yellowred_to_red,
+            }
+        };
+
+        let modbus_slave_address = get(buf, TristarEepromAddress::EmodbusId)?;
+        let meterbus_address = get(buf, TristarEepromAddress::EmeterbusId)?;
+
+        let battery_current_limit = scaling.get_current(get(buf, TristarEepromAddress::EibLim)?);
+
+        let array_target_voltage =
+            scaling.get_voltage(get(buf, TristarEepromAddress::EvaRefFixedInit)?);
+        let array_target_voltage_percentage_raw =
+            get(buf, TristarEepromAddress::EvaRefFixedPctInit)?;
+
+        let read_only = {
+            let hourmeter = {
+                let hourmeter_lo = get(buf, TristarEepromAddress::EhourmeterLo)?;
+                let hourmeter_hi = get(buf, TristarEepromAddress::EhourmeterHi)?;
+                u32::from(hourmeter_lo) | (u32::from(hourmeter_hi) << 16)
+            };
+
+            let charge_ah_resetable = {
+                let charge_ah_resetable_lo = get(buf, TristarEepromAddress::EahcRLo)?;
+                let charge_ah_resetable_hi = get(buf, TristarEepromAddress::EahcRHi)?;
+                let tenths =
+                    u32::from(charge_ah_resetable_lo) | (u32::from(charge_ah_resetable_hi) << 16);
+                f64::from(tenths) * 0.1
+            };
+
+            let charge_ah_total = {
+                let charge_ah_total_lo = get(buf, TristarEepromAddress::EahcTLo)?;
+                let charge_ah_total_hi = get(buf, TristarEepromAddress::EahcTHi)?;
+                let tenths = u32::from(charge_ah_total_lo) | (u32::from(charge_ah_total_hi) << 16);
+                f64::from(tenths) * 0.1
+            };
+
+            let charge_kwh_resetable = get(buf, TristarEepromAddress::EkWhcR)?;
+            let charge_kwh_total = get(buf, TristarEepromAddress::EkWhcT)?;
+
+            let vb_min = scaling.get_voltage(get(buf, TristarEepromAddress::EvbMin)?);
+            let vb_max = scaling.get_voltage(get(buf, TristarEepromAddress::EvbMax)?);
+            let va_max = scaling.get_voltage(get(buf, TristarEepromAddress::EvaMax)?);
+
+            let days_since_last_equalize = get(buf, TristarEepromAddress::EtmrEqcalendar)?;
+            let battery_service_timer_days = get(buf, TristarEepromAddress::EtmrBattService)?;
+
+            let serial = {
+                let s0 = get(buf, TristarEepromAddress::Eserial0)?;
+                let s1 = get(buf, TristarEepromAddress::Eserial1)?;
+                let s2 = get(buf, TristarEepromAddress::Eserial2)?;
+                let s3 = get(buf, TristarEepromAddress::Eserial3)?;
+
+                let mut serial = u64::from(s0);
+                serial |= u64::from(s1) << 16;
+                serial |= u64::from(s2) << 32;
+                serial |= u64::from(s3) << 48;
+                serial
+            };
+
+            let model = if get(buf, TristarEepromAddress::Emodel)? == 0 {
+                Model::Tristar45A
+            } else {
+                Model::Tristar60A
+            };
+
+            let hardware_version = get(buf, TristarEepromAddress::EhwVersion)?;
+
+            ReadOnly {
+                hourmeter,
+                charge_ah_resetable,
+                charge_ah_total,
+                charge_kwh_resetable,
+                charge_kwh_total,
+                vb_min,
+                vb_max,
+                va_max,
+                days_since_last_equalize,
+                battery_service_timer_days,
+                serial,
+                model,
+                hardware_version,
+            }
+        };
+
+        Ok(Self {
+            absorption_voltage,
+            float_voltage,
+            absorption_time_seconds,
+            absorption_extension_time_seconds,
+            absorption_extension_voltage,
+            float_cancel_voltage,
+            float_exit_timer_seconds,
+            equalize_voltage,
+            equalize_interval_days,
+            equalize_time_limit_above_vreg,
+            equalize_time_limit_at_veq,
+            battery_service_days,
+            temperature_compensation_raw,
+            high_voltage_disconnect,
+            high_voltage_reconnect,
+            battery_charge_reference_limit,
+            max_temp_comp_raw,
+            min_temp_comp_raw,
+            modbus_slave_address,
+            meterbus_address,
+            battery_current_limit,
+            array_target_voltage,
+            array_target_voltage_percentage_raw,
+            led_thresholds,
+            read_only,
+        })
+    }
+}
 
 #[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub struct TristarState {
@@ -370,6 +650,33 @@ impl Tristar {
         Ok(new_state)
     }
 
+    pub async fn read_settings(&mut self) -> eyre::Result<TristarSettings> {
+        let network_data = self
+            .modbus
+            .read_holding_registers(NETWORK_DATA_ADDR_START, NETWORK_DATA_LENGTH)
+            .await?;
+
+        let network = NetworkSettings::from_buf(&network_data)?;
+
+        let charge_data_1 = self
+            .modbus
+            .read_holding_registers(CHARGE_DATA_ADDR_START, 0x22)
+            .await?;
+
+        let charge_data_2 = self
+            .modbus
+            .read_holding_registers(CHARGE_DATA_ADDR_START + 0x80, 0x4e)
+            .await?;
+
+        let mut charge_data = vec![0; 0xCE];
+        charge_data[..0x22].copy_from_slice(&charge_data_1);
+        charge_data[0x80..].copy_from_slice(&charge_data_2);
+
+        let charge = ChargeSettings::from_buf(&charge_data, &self.scaling)?;
+
+        Ok(TristarSettings { network, charge })
+    }
+
     pub async fn set_target_voltage(&mut self, target_voltage: f64) -> eyre::Result<()> {
         let scaled_voltage: u16 = self.scale_voltage(target_voltage);
         self.modbus
@@ -397,6 +704,7 @@ impl Tristar {
     }
 }
 
+#[repr(u16)]
 pub enum TristarRamAddress {
     AdcVbFMed = 0x0018,
     AdcVbtermF = 0x0019,
@@ -457,6 +765,72 @@ pub enum TristarRamAddress {
     VaRefFixedPc = 0x005B,
 }
 
+#[repr(u16)]
+#[derive(Debug, Clone, Copy)]
+#[allow(dead_code)]
+pub enum TristarEepromAddress {
+    // eeprom
+    // tcp network settings
+    HTTPPort = 0x151B,
+    MBIPPort = 0x151C,
+    NetRules = 0x151D,
+    SNMPTrapRecPort = 0x151E,
+    EthernetPowerSaveMode = 0x151F,
+    // beta 8.21
+    VLANEnable = 0x1520,
+    VLANParameters = 0x1521,
+
+    // charge settings
+    EvAbsorp = 0xE000,
+    EvFloat = 0xE001,
+    EtAbsorp = 0xE002,
+    EtAbsorpExt = 0xE003,
+    EvAbsorpExt = 0xE004,
+    EvFloatCancel = 0xE005,
+    EtFloatExitCum = 0xE006,
+    EvEq = 0xE007,
+    EtEqcalendar = 0xE008,
+    EtEqAbove = 0xE009,
+    EtEqReg = 0xE00A,
+    EtBattService = 0xE00B,
+    EvTempcomp = 0xE00D,
+    EvHvd = 0xE00E,
+    EvHvr = 0xE00F,
+    EvbRefLim = 0xE010,
+    EtbMax = 0xE011,
+    EtbMin = 0xE012,
+    EvSocGGy = 0xE015,
+    EvSocGyY = 0xE016,
+    EvSocYYr = 0xE017,
+    EvSocYrR = 0xE018,
+    EmodbusId = 0xE019,
+    EmeterbusId = 0xE01A,
+    EibLim = 0xE01D,
+    EvaRefFixedInit = 0xE020,
+    EvaRefFixedPctInit = 0xE021,
+
+    // read only
+    EhourmeterLo = 0xE080,
+    EhourmeterHi = 0xE081,
+    EahcRLo = 0xE082,
+    EahcRHi = 0xE083,
+    EahcTLo = 0xE084,
+    EahcTHi = 0xE085,
+    EkWhcR = 0xE086,
+    EkWhcT = 0xE087,
+    EvbMin = 0xE088,
+    EvbMax = 0xE089,
+    EvaMax = 0xE08A,
+    EtmrEqcalendar = 0xE08B,
+    EtmrBattService = 0xE08C,
+    Eserial0 = 0xE0C0,
+    Eserial1 = 0xE0C1,
+    Eserial2 = 0xE0C2,
+    Eserial3 = 0xE0C3,
+    Emodel = 0xE0CC,
+    EhwVersion = 0xE0CD,
+}
+
 impl std::ops::Index<TristarRamAddress> for [u16] {
     type Output = u16;
 
diff --git a/charge-controller-supervisor/src/storage.rs b/charge-controller-supervisor/src/storage.rs
index 48eb84a..e3bb9f2 100644
--- a/charge-controller-supervisor/src/storage.rs
+++ b/charge-controller-supervisor/src/storage.rs
@@ -24,12 +24,14 @@ impl AllControllers {
 
 pub struct ControllerData {
     state: tokio::sync::RwLock<Option<crate::controller::ControllerState>>,
+    settings: tokio::sync::RwLock<Option<crate::controller::ControllerSettings>>,
 }
 
 impl ControllerData {
     pub const fn new() -> Self {
         Self {
             state: tokio::sync::RwLock::const_new(None),
+            settings: tokio::sync::RwLock::const_new(None),
         }
     }
 
@@ -44,4 +46,16 @@ impl ControllerData {
     ) -> tokio::sync::RwLockReadGuard<Option<crate::controller::ControllerState>> {
         self.state.read().await
     }
+
+    pub async fn write_settings(
+        &self,
+    ) -> tokio::sync::RwLockWriteGuard<Option<crate::controller::ControllerSettings>> {
+        self.settings.write().await
+    }
+
+    pub async fn read_settings(
+        &self,
+    ) -> tokio::sync::RwLockReadGuard<Option<crate::controller::ControllerSettings>> {
+        self.settings.read().await
+    }
 }
diff --git a/charge-controller-supervisor/src/web.rs b/charge-controller-supervisor/src/web.rs
index 30add36..d90a297 100644
--- a/charge-controller-supervisor/src/web.rs
+++ b/charge-controller-supervisor/src/web.rs
@@ -49,6 +49,7 @@ pub fn rocket(state: ServerState) -> rocket::Rocket<rocket::Build> {
                 interfaces,
                 all_interfaces,
                 all_interfaces_full,
+                all_interfaces_settings,
                 primary_interface,
                 interface,
                 interface_full,
@@ -110,6 +111,22 @@ async fn all_interfaces_full(
     Json(data)
 }
 
+#[get("/interfaces/settings")]
+async fn all_interfaces_settings(
+    state: &State<ServerState>,
+) -> Json<Vec<(String, crate::controller::ControllerSettings)>> {
+    let mut data = Vec::new();
+
+    for (k, v) in state.data.all_data() {
+        let v = v.read_settings().await;
+        if let Some(v) = v.as_ref() {
+            data.push((k.clone(), v.clone()));
+        }
+    }
+
+    Json(data)
+}
+
 #[get("/interface/<name>")]
 async fn interface(
     name: &str,