Product descriptions from the supplier High Capacity: 2400mAh provides long-lasting power. Compact Design: 28x50.5mm size fits easily in most devices. Safe and Reliable: Certified by RoHS, CE, and UL standards. Versatile Compatibility: Works seamlessly with electricity meters. Global Reach: Available in China and Guangdong provinces. About this supplier Shenzhen Everwin Tech Co., Limited is a 20-year battery manufacturer specializing in lithium iron phosphate, lithium ion,