diff --git a/.suckless/slstatus/components/battery.c b/.suckless/slstatus/components/battery.c
new file mode 100644
index 0000000..1c753f9
--- /dev/null
+++ b/.suckless/slstatus/components/battery.c
@@ -0,0 +1,247 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#if defined(__linux__)
+/*
+ * https://www.kernel.org/doc/html/latest/power/power_supply_class.html
+ */
+	#include <limits.h>
+	#include <stdint.h>
+	#include <unistd.h>
+
+	#define POWER_SUPPLY_CAPACITY "/sys/class/power_supply/%s/capacity"
+	#define POWER_SUPPLY_STATUS   "/sys/class/power_supply/%s/status"
+	#define POWER_SUPPLY_CHARGE   "/sys/class/power_supply/%s/charge_now"
+	#define POWER_SUPPLY_ENERGY   "/sys/class/power_supply/%s/energy_now"
+	#define POWER_SUPPLY_CURRENT  "/sys/class/power_supply/%s/current_now"
+	#define POWER_SUPPLY_POWER    "/sys/class/power_supply/%s/power_now"
+
+	static const char *
+	pick(const char *bat, const char *f1, const char *f2, char *path,
+	     size_t length)
+	{
+		if (esnprintf(path, length, f1, bat) > 0 &&
+		    access(path, R_OK) == 0)
+			return f1;
+
+		if (esnprintf(path, length, f2, bat) > 0 &&
+		    access(path, R_OK) == 0)
+			return f2;
+
+		return NULL;
+	}
+
+	const char *
+	battery_perc(const char *bat)
+	{
+		int cap_perc;
+		char path[PATH_MAX];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_CAPACITY, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%d", &cap_perc) != 1)
+			return NULL;
+
+		return bprintf("%d", cap_perc);
+	}
+
+	const char *
+	battery_state(const char *bat)
+	{
+		static struct {
+			char *state;
+			char *symbol;
+		} map[] = {
+			{ "Charging",    "+" },
+			{ "Discharging", "-" },
+			{ "Full",        "o" },
+			{ "Not charging", "o" },
+		};
+		size_t i;
+		char path[PATH_MAX], state[12];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
+			return NULL;
+
+		for (i = 0; i < LEN(map); i++)
+			if (!strcmp(map[i].state, state))
+				break;
+
+		return (i == LEN(map)) ? "?" : map[i].symbol;
+	}
+
+	const char *
+	battery_remaining(const char *bat)
+	{
+		uintmax_t charge_now, current_now, m, h;
+		double timeleft;
+		char path[PATH_MAX], state[12];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
+			return NULL;
+
+		if (!pick(bat, POWER_SUPPLY_CHARGE, POWER_SUPPLY_ENERGY, path,
+		          sizeof(path)) ||
+		    pscanf(path, "%ju", &charge_now) < 0)
+			return NULL;
+
+		if (!strcmp(state, "Discharging")) {
+			if (!pick(bat, POWER_SUPPLY_CURRENT, POWER_SUPPLY_POWER, path,
+			          sizeof(path)) ||
+			    pscanf(path, "%ju", &current_now) < 0)
+				return NULL;
+
+			if (current_now == 0)
+				return NULL;
+
+			timeleft = (double)charge_now / (double)current_now;
+			h = timeleft;
+			m = (timeleft - (double)h) * 60;
+
+			return bprintf("%juh %jum", h, m);
+		}
+
+		return "";
+	}
+#elif defined(__OpenBSD__)
+	#include <fcntl.h>
+	#include <machine/apmvar.h>
+	#include <sys/ioctl.h>
+	#include <unistd.h>
+
+	static int
+	load_apm_power_info(struct apm_power_info *apm_info)
+	{
+		int fd;
+
+		fd = open("/dev/apm", O_RDONLY);
+		if (fd < 0) {
+			warn("open '/dev/apm':");
+			return 0;
+		}
+
+		memset(apm_info, 0, sizeof(struct apm_power_info));
+		if (ioctl(fd, APM_IOC_GETPOWER, apm_info) < 0) {
+			warn("ioctl 'APM_IOC_GETPOWER':");
+			close(fd);
+			return 0;
+		}
+		return close(fd), 1;
+	}
+
+	const char *
+	battery_perc(const char *unused)
+	{
+		struct apm_power_info apm_info;
+
+		if (load_apm_power_info(&apm_info))
+			return bprintf("%d", apm_info.battery_life);
+
+		return NULL;
+	}
+
+	const char *
+	battery_state(const char *unused)
+	{
+		struct {
+			unsigned int state;
+			char *symbol;
+		} map[] = {
+			{ APM_AC_ON,      "+" },
+			{ APM_AC_OFF,     "-" },
+		};
+		struct apm_power_info apm_info;
+		size_t i;
+
+		if (load_apm_power_info(&apm_info)) {
+			for (i = 0; i < LEN(map); i++)
+				if (map[i].state == apm_info.ac_state)
+					break;
+
+			return (i == LEN(map)) ? "?" : map[i].symbol;
+		}
+
+		return NULL;
+	}
+
+	const char *
+	battery_remaining(const char *unused)
+	{
+		struct apm_power_info apm_info;
+		unsigned int h, m;
+
+		if (load_apm_power_info(&apm_info)) {
+			if (apm_info.ac_state != APM_AC_ON) {
+				h = apm_info.minutes_left / 60;
+				m = apm_info.minutes_left % 60;
+				return bprintf("%uh %02um", h, m);
+			} else {
+				return "";
+			}
+		}
+
+		return NULL;
+	}
+#elif defined(__FreeBSD__)
+	#include <sys/sysctl.h>
+
+	#define BATTERY_LIFE  "hw.acpi.battery.life"
+	#define BATTERY_STATE "hw.acpi.battery.state"
+	#define BATTERY_TIME  "hw.acpi.battery.time"
+
+	const char *
+	battery_perc(const char *unused)
+	{
+		int cap_perc;
+		size_t len;
+
+		len = sizeof(cap_perc);
+		if (sysctlbyname(BATTERY_LIFE, &cap_perc, &len, NULL, 0) < 0 || !len)
+			return NULL;
+
+		return bprintf("%d", cap_perc);
+	}
+
+	const char *
+	battery_state(const char *unused)
+	{
+		int state;
+		size_t len;
+
+		len = sizeof(state);
+		if (sysctlbyname(BATTERY_STATE, &state, &len, NULL, 0) < 0 || !len)
+			return NULL;
+
+		switch (state) {
+		case 0: /* FALLTHROUGH */
+		case 2:
+			return "+";
+		case 1:
+			return "-";
+		default:
+			return "?";
+		}
+	}
+
+	const char *
+	battery_remaining(const char *unused)
+	{
+		int rem;
+		size_t len;
+
+		len = sizeof(rem);
+		if (sysctlbyname(BATTERY_TIME, &rem, &len, NULL, 0) < 0 || !len
+		    || rem < 0)
+			return NULL;
+
+		return bprintf("%uh %02um", rem / 60, rem % 60);
+	}
+#endif
diff --git a/.suckless/slstatus/components/battery.o b/.suckless/slstatus/components/battery.o
new file mode 100644
index 0000000..3deff79
Binary files /dev/null and b/.suckless/slstatus/components/battery.o differ
diff --git a/.suckless/slstatus/components/cat.c b/.suckless/slstatus/components/cat.c
new file mode 100644
index 0000000..07944cc
--- /dev/null
+++ b/.suckless/slstatus/components/cat.c
@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+cat(const char *path)
+{
+        char *f;
+        FILE *fp;
+
+        if (!(fp = fopen(path, "r"))) {
+                warn("fopen '%s':", path);
+                return NULL;
+        }
+
+        f = fgets(buf, sizeof(buf) - 1, fp);
+        if (fclose(fp) < 0) {
+                warn("fclose '%s':", path);
+                return NULL;
+        }
+        if (!f)
+                return NULL;
+
+        if ((f = strrchr(buf, '\n')))
+                f[0] = '\0';
+
+        return buf[0] ? buf : NULL;
+}
+
diff --git a/.suckless/slstatus/components/cat.o b/.suckless/slstatus/components/cat.o
new file mode 100644
index 0000000..6c3820d
Binary files /dev/null and b/.suckless/slstatus/components/cat.o differ
diff --git a/.suckless/slstatus/components/cpu.c b/.suckless/slstatus/components/cpu.c
new file mode 100644
index 0000000..d0d03c7
--- /dev/null
+++ b/.suckless/slstatus/components/cpu.c
@@ -0,0 +1,157 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#if defined(__linux__)
+	#define CPU_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"
+
+	const char *
+	cpu_freq(const char *unused)
+	{
+		uintmax_t freq;
+
+		/* in kHz */
+		if (pscanf(CPU_FREQ, "%ju", &freq) != 1)
+			return NULL;
+
+		return fmt_human(freq * 1000, 1000);
+	}
+
+	const char *
+	cpu_perc(const char *unused)
+	{
+		static long double a[7];
+		long double b[7], sum;
+
+		memcpy(b, a, sizeof(b));
+		/* cpu user nice system idle iowait irq softirq */
+		if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf",
+		           &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6])
+		    != 7)
+			return NULL;
+
+		if (b[0] == 0)
+			return NULL;
+
+		sum = (b[0] + b[1] + b[2] + b[3] + b[4] + b[5] + b[6]) -
+		      (a[0] + a[1] + a[2] + a[3] + a[4] + a[5] + a[6]);
+
+		if (sum == 0)
+			return NULL;
+
+		return bprintf("%d", (int)(100 *
+		               ((b[0] + b[1] + b[2] + b[5] + b[6]) -
+		                (a[0] + a[1] + a[2] + a[5] + a[6])) / sum));
+	}
+#elif defined(__OpenBSD__)
+	#include <sys/param.h>
+	#include <sys/sched.h>
+	#include <sys/sysctl.h>
+
+	const char *
+	cpu_freq(const char *unused)
+	{
+		int freq, mib[2];
+		size_t size;
+
+		mib[0] = CTL_HW;
+		mib[1] = HW_CPUSPEED;
+
+		size = sizeof(freq);
+
+		/* in MHz */
+		if (sysctl(mib, 2, &freq, &size, NULL, 0) < 0) {
+			warn("sysctl 'HW_CPUSPEED':");
+			return NULL;
+		}
+
+		return fmt_human(freq * 1E6, 1000);
+	}
+
+	const char *
+	cpu_perc(const char *unused)
+	{
+		int mib[2];
+		static uintmax_t a[CPUSTATES];
+		uintmax_t b[CPUSTATES], sum;
+		size_t size;
+
+		mib[0] = CTL_KERN;
+		mib[1] = KERN_CPTIME;
+
+		size = sizeof(a);
+
+		memcpy(b, a, sizeof(b));
+		if (sysctl(mib, 2, &a, &size, NULL, 0) < 0) {
+			warn("sysctl 'KERN_CPTIME':");
+			return NULL;
+		}
+		if (b[0] == 0)
+			return NULL;
+
+		sum = (a[CP_USER] + a[CP_NICE] + a[CP_SYS] + a[CP_INTR] + a[CP_IDLE]) -
+		      (b[CP_USER] + b[CP_NICE] + b[CP_SYS] + b[CP_INTR] + b[CP_IDLE]);
+
+		if (sum == 0)
+			return NULL;
+
+		return bprintf("%d", 100 *
+		               ((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
+		                 a[CP_INTR]) -
+		                (b[CP_USER] + b[CP_NICE] + b[CP_SYS] +
+		                 b[CP_INTR])) / sum);
+	}
+#elif defined(__FreeBSD__)
+	#include <devstat.h>
+	#include <sys/param.h>
+	#include <sys/sysctl.h>
+
+	const char *
+	cpu_freq(const char *unused)
+	{
+		int freq;
+		size_t size;
+
+		size = sizeof(freq);
+		/* in MHz */
+		if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) < 0 || !size) {
+			warn("sysctlbyname 'hw.clockrate':");
+			return NULL;
+		}
+
+		return fmt_human(freq * 1E6, 1000);
+	}
+
+	const char *
+	cpu_perc(const char *unused)
+	{
+		size_t size;
+		static long a[CPUSTATES];
+		long b[CPUSTATES], sum;
+
+		size = sizeof(a);
+		memcpy(b, a, sizeof(b));
+		if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) < 0 || !size) {
+			warn("sysctlbyname 'kern.cp_time':");
+			return NULL;
+		}
+		if (b[0] == 0)
+			return NULL;
+
+		sum = (a[CP_USER] + a[CP_NICE] + a[CP_SYS] + a[CP_INTR] + a[CP_IDLE]) -
+		      (b[CP_USER] + b[CP_NICE] + b[CP_SYS] + b[CP_INTR] + b[CP_IDLE]);
+
+		if (sum == 0)
+			return NULL;
+
+		return bprintf("%d", 100 *
+		               ((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
+		                 a[CP_INTR]) -
+		                (b[CP_USER] + b[CP_NICE] + b[CP_SYS] +
+		                 b[CP_INTR])) / sum);
+	}
+#endif