diff --git a/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/pmu_spl.c b/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/pmu_spl.c
index 2468d7f3d8..9e9a91cb46 100755
--- a/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/pmu_spl.c
+++ b/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/pmu_spl.c
@@ -53,6 +53,24 @@ int pwrok_restart_enable(void)
 static int axp_probe(void)
 {
 	u8  pmu_type;
+	u8  acin_path;
+
+	/* bpi, set VBUS current limit from 1500mA to 3500mA */
+	if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_ACIN_PATH, &acin_path))
+	{
+		printf("axp read error\n");
+		return -1;
+	}
+
+	printf("[BPI] set ac cur limit to 3500mA\n");
+	
+	acin_path &= 0xf8;
+	acin_path |= 0x04;
+	if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_ACIN_PATH, acin_path))
+	{
+		printf("axp write error\n");
+		return -1;
+	}
 
 	if(axp_i2c_read(AXP81X_ADDR, 0x3, &pmu_type))
 	{
diff --git a/lichee/brandy/u-boot-2014.07/board/sunxi/common/secondary_main.c b/lichee/brandy/u-boot-2014.07/board/sunxi/common/secondary_main.c
index a6965c1833..50988509ef 100644
--- a/lichee/brandy/u-boot-2014.07/board/sunxi/common/secondary_main.c
+++ b/lichee/brandy/u-boot-2014.07/board/sunxi/common/secondary_main.c
@@ -225,7 +225,7 @@ static int sunxi_probe_power_state(void)
 
 	if (pmu_bat_unused  || (__bat_exist <= 0))
 	{
-		pr_notice("no battery exist\n");
+		printf("no battery exist, boot normal\n");
 		return SUNXI_STATE_NORMAL_BOOT;
 	}
 
diff --git a/lichee/brandy/u-boot-2014.07/include/power/sunxi/axp81X_reg.h b/lichee/brandy/u-boot-2014.07/include/power/sunxi/axp81X_reg.h
index 7c2a8e7cdb..5c70285810 100644
--- a/lichee/brandy/u-boot-2014.07/include/power/sunxi/axp81X_reg.h
+++ b/lichee/brandy/u-boot-2014.07/include/power/sunxi/axp81X_reg.h
@@ -75,6 +75,7 @@
 #define   BOOT_POWER81X_CHARGE1             			(0x33)
 #define   BOOT_POWER81X_CHARGE2             			(0x34)
 #define   BOOT_POWER81X_CHARGE3             			(0x35)
+#define	  BOOT_POWER81X_ACIN_PATH						(0x3A)
 
 #define   BOOT_POWER81X_BAT_AVERVOL_H8                  (0x50)//----------
 #define   BOOT_POWER81X_BAT_AVERVOL_L4                  (0x51)//-----------
diff --git a/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_nand_sun50iw1p1.bin b/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_nand_sun50iw1p1.bin
index f91d5b75b6..f4ee7df4e0 100755
Binary files a/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_nand_sun50iw1p1.bin and b/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_nand_sun50iw1p1.bin differ
diff --git a/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin b/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin
index c780fbed86..9c54d20923 100755
Binary files a/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin and b/lichee/tools/pack/chips/sun50iw1p1/bin/boot0_sdcard_sun50iw1p1.bin differ
diff --git a/lichee/tools/pack/chips/sun50iw1p1/bin/fes1_sun50iw1p1.bin b/lichee/tools/pack/chips/sun50iw1p1/bin/fes1_sun50iw1p1.bin
index 805238cb9d..5e8d9a0519 100644
Binary files a/lichee/tools/pack/chips/sun50iw1p1/bin/fes1_sun50iw1p1.bin and b/lichee/tools/pack/chips/sun50iw1p1/bin/fes1_sun50iw1p1.bin differ
diff --git a/lichee/tools/pack/chips/sun50iw1p1/bin/sboot_sun50iw1p1.bin b/lichee/tools/pack/chips/sun50iw1p1/bin/sboot_sun50iw1p1.bin
index 5cbfb03c62..0522370114 100755
Binary files a/lichee/tools/pack/chips/sun50iw1p1/bin/sboot_sun50iw1p1.bin and b/lichee/tools/pack/chips/sun50iw1p1/bin/sboot_sun50iw1p1.bin differ
diff --git a/lichee/tools/pack/chips/sun50iw1p1/bin/u-boot-sun50iw1p1.bin b/lichee/tools/pack/chips/sun50iw1p1/bin/u-boot-sun50iw1p1.bin
index c84b689aa4..4c34ce9720 100755
Binary files a/lichee/tools/pack/chips/sun50iw1p1/bin/u-boot-sun50iw1p1.bin and b/lichee/tools/pack/chips/sun50iw1p1/bin/u-boot-sun50iw1p1.bin differ