Features: Premium Battery Balance Plug Protector suitable for 2S 6S battery connectors, this PP made guard ensures secure charging for models while offering multiple size options (2S/3S/4S/5S/6S) to various drones and aircraft setups. Engineered with 20% fiber reinforced PP component and ergonomic concave surfaces, this protector features anti slip texture for confident grip and enhanced resistance to protect battery terminals during frequent plugging/unplugging. Ideal for hobbyists and drones enthusiasts who demand stable defense for their battery balance ports during maintenance, storage, and transportation of helicopters, planes, and multirotor aircraft. Perfect for workshop organization, field operations, or charging stations where temperature fluctuations (up to 100°C) and physical impacts threaten delicate battery connectors in cars, boats, and aviation models. This recyclable plastic protector combines environmental responsibility with hard performances, maintaining connector integrity through extreme conditions while preventing accidental short circuits in large power electronics. Specifications: Component : PP Size: mixed Type: multiple for option Package Includes: 50xBalancer Plug Protector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.