🔋 HELTEC 800mAh Polymer Lithium Battery (802540, 3.7V) Compact and lightweight, this high-efficiency Li-Po battery offers 800mAh capacity at 3.7V, making it ideal for portable electronics, IoT devices, and embedded systems. With a slim 802540 form factor, it balances power and space optimization for wearable tech, handheld tools, and low-power applications. Reliable performance and stable discharge make it a solid choice for both DIY and commercial projects.
Feature
🔋 Battery Type: Polymer Lithium (Li-Po) — lightweight and space-efficient
🔌 Voltage Rating: 3.7V — standard for most low-power embedded devices
🔋 Capacity: 800mAh — suitable for mid-range consumption and longer operation cycles
📐 Dimensions: 802540 form factor (approx. 8.0mm × 25mm × 40mm) — slim profile for compact builds
📦 Construction: High-density cell design with sealed outer casing for durability
🛡️ Safety: Built-in protection circuit (if specified) for overcharge, over-discharge, and short circuit (confirm with manufacturer)
🔄 Rechargeable: Supports multiple charge cycles with stable discharge characteristics
🌍 Use Cases: Ideal for IoT modules, wireless sensors, wearable devices, mini speakers, and development kits