Description
Description
The 1S 18650 BMS with Adjustable Step-Up Converter is a multifunctional power management module designed for building custom power banks, solar-powered systems, and portable power supplies. It supports 2 to 6 lithium-ion batteries connected in parallel and provides battery charging, protection, voltage boosting, and USB power output in a compact design. The integrated charging circuit supports up to 1A charging current, while the adjustable boost converter can generate output voltages from 4.3V to 27V. Four onboard LED indicators display the battery charge level, making it easy to monitor remaining capacity. This module is ideal for DIY electronics, battery-powered projects, solar energy systems, and portable charging applications.
Features
-
Supports 1S lithium-ion battery packs
-
Compatible with 18650 lithium-ion batteries
-
Supports 26 batteries connected in parallel
-
Dual USB output ports
-
Adjustable boost converter output
-
Output voltage adjustable from 4.3V to 27V
-
Integrated lithium battery charging circuit
-
Charging current up to 1A
-
Maximum discharge current up to 2A
-
Four LED battery level indicators
-
Overcharge protection
-
Compact PCB design
-
Suitable for DIY power bank projects
-
Can be powered from solar panels
Specification
- Battery Type: Lithium-Ion (18650)
- Battery Configuration: 1S (Parallel Battery Pack)
- Supported Battery Quantity: 26 Cells in Parallel
- Input Voltage: 4.5V 8V
- Charging Voltage: 4.2V
- Maximum Charging Current: 1A
- Output Voltage Range: 4.3V 27V Adjustable
- Maximum Discharge Current: 2A
- Reference Output Current @ 5V: 1.4A
- Reference Output Current @ 9V: 0.8A
- Reference Output Current @ 12V: 0.6A
- Quiescent Current: Approximately 0.5mA
- Overcharge Protection: Yes
- Over-Discharge Protection: No Dedicated Protection
- Boost Converter Cut-Off Voltage: 2V
- USB Outputs: 2
- Battery Level Indicator: 4 LEDs
- Dimensions: 33 23 9mm
Tutorials
- J5019 1s Battery Charger Manager With Boost Output 4.3-27v (Buck + Step Up 2A + Auto Cut)
Reviews
There are no reviews yet.