diff --git a/hosts/modules/hal/pine64-pinephone-pro/rk3399-pinephone-pro-battery.dtso b/hosts/modules/hal/pine64-pinephone-pro/rk3399-pinephone-pro-battery.dtso
index 64fe5d404..6a1038619 100644
--- a/hosts/modules/hal/pine64-pinephone-pro/rk3399-pinephone-pro-battery.dtso
+++ b/hosts/modules/hal/pine64-pinephone-pro/rk3399-pinephone-pro-battery.dtso
@@ -53,3 +53,38 @@
                         <3400000 0>;
         };
 };
+
+&rk818 {
+        battery {
+                compatible = "rockchip,rk818-battery";
+                ocv_table = <3400 3675 3689 3716 3740 3756 3768 3780
+                        3793 3807 3827 3853 3896 3937 3974 4007 4066
+                        4110 4161 4217 4308>;
+                design_capacity = <2916>;
+                design_qmax = <2708>;
+                bat_res = <150>;
+                max_input_current = <3000>;
+                max_chrg_current = <2000>;
+                max_chrg_voltage = <4350>;
+                sleep_enter_current = <300>;
+                sleep_exit_current = <300>;
+                power_off_thresd = <3400>;
+                zero_algorithm_vol = <3950>;
+                fb_temperature = <105>;
+                sample_res = <10>;
+                max_soc_offset = <60>;
+                energy_mode = <0>;
+                monitor_sec = <5>;
+                virtual_power = <0>;
+                power_dc2otg = <0>;
+                otg5v_suspend_enable = <1>;
+        };
+
+        charger {
+                compatible = "rockchip,rk818-charger";
+                // TODO: this requires declaring the fusb0 rail (which megi has helpfully done already)
+                // power-supplies = <&fusb0>;
+                monitored-battery = <&bat>;
+        };
+
+};