3.7V battery charger

– Ideal for signal isolation: protects microcontrollers from high-voltage spikes and electrical noise.
– Dual voltage compatibility: works with 5V and 12V systems for flexible use.
– Arduino friendly: simple integration for DIY electronics, robotics and IoT projects.
– High-speed switching: reliable timing for data and control signals.
– Compact and durable: small footprint, easy to mount on prototype boards and enclosures.
– Cost-effective protection: reliable performance without increasing project costs.