KP451522 3.7V 400 MAH

The KP451522 is a lightweight and ultra-compact lithium polymer (Li-Po) battery with a nominal voltage of 3.7V and a capacity of 400mAh. It is designed for compact electronic applications such as Bluetooth devices, fitness trackers, mini drones, IoT modules, and wearable electronics. With a slim 4.5mm thickness, it fits in tight spaces while delivering consistent energy output. The battery supports stable charging and discharging, comes with a built-in protective circuit module (PCM), and ensures safety through overcharge, over-discharge, and short-circuit protection. Its high cycle life and low self-discharge rate make it ideal for long-term use in portable embedded systems.

• Slim and ultra-compact design for space-limited devices
• Reliable 3.7V Li-Po chemistry for steady power supply
• 400mAh capacity suited for low-power continuous applications
• Integrated PCM ensures safety and battery health
• Low self-discharge and good energy retention
• Suitable for mini electronics, wearables, and wireless sensors
• Long cycle life with consistent performance
• Can be recharged over 300–500 cycles