LTO Cell Pack with BMS 12V 24V Capacitive Cylindrical Titanate 1000mah 2.4v 18500 3.7v Battery for Emergency Lighting $7.20-36.00 Application Consumer Electronics, Power Tools, Toys, Uninterruptible Power Supplies, Solar Energy Storage Systems, Electric Power Systems, Home Appliances, electric vehicles OEM/ODM Aceeptable Size 18*50mm