IP5306 simple bright blind 18650 power bank solution

18650 battery charger based on IP5306 design.

Four-light power display with 12 high-brightness LED lighting lights.

It can be used as a 18650 battery charger or a power bank.

The problem of LED light flickering has been solved on September 14, 2021

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Please purchase the LED driver chip AP3032KTR-G1 at Lichuang Mall. If you buy it on Taobao, you may buy fake products, which may cause the problem of being able to turn on the lights but not turn them off.

Function demonstration and welding video
https://www.bilibili.com/video/BV1Zg411V7rZ

   Synchronous switching charge and discharge
 2.4A synchronous boost conversion, 2.1A synchronous switching charging
 Boost efficiency up to 92%
 Charging efficiency up to 91%
 Built-in power path management, supports charging and discharging at the same time
    
Adaptive charging current adjustment, automatic Adaptable adapter
 Supports 4.20/4.30/4.35/4.40V battery
 Power display
 Supports 4, 3, 2, 1 LED power display
    Rich functions
 Button power on
 Built-in light driver
 Automatically detects the insertion and removal of mobile phones
　 Low power Consumption
Intelligent identification of load, automatically enters standby
Standby power consumption is less than 100 µA
 Built-in power MOS, single inductor realizes multiple protections for charge and discharge
    , high reliability
Output overcurrent, overvoltage, short circuit protection
Input overvoltage, overcharge, Over-discharge, over-current discharge protection
 Machine over-temperature protection
 ESD 4KV, instant withstand voltage 12V

18650 battery box purchase link (click text)

TYPE-A interface purchase link (click text)

12 pcs 5730 high brightness LED lamp beads

Four-light power display