High-Capacity 3.7V 400mAh Li-Polymer Battery Cell
Premium lithium-polymer construction ensures stable voltage output and long cycle life. Ultra-lightweight design with compact dimensions for seamless integration into space-sensitive devices. Ideal for powering toys, consumer electronics, home appliances, and compact digital products. Features built-in protection against overcharge and short circuits for enhanced safety. Engineered with precision-welded terminals and high-density energy storage for reliable performance. Perfect for OEM replacements or DIY projects requiring dependable, lightweight power solutions. Globally sourced for bulk wholesale at unbeatable prices. Stock up for large-scale manufacturing or resale with guaranteed cost efficiency.