<p><strong>Powerhobby 2S 7.4.V 4000mAh 20C Lipo Battery Pack w XT90 Plug Hard Case</strong></p> <p><strong><strong>20C Continuous / 40C Brust</strong></strong></p> <p class="isSelectedEnd"><strong><span>Description</span></strong></p> <p class="isSelectedEnd"><span>The PowerHobby 2S 4000mAh 7.4V LiPo battery lineup provides reliable power for a wide range of compatible RC cars, trucks, buggies, crawlers, boats, starter boxes, and racing applications. Each version offers the same 4000mAh capacity but features a different discharge rating, case style, connector, or physical configuration to meet the needs of specific RC models and electronics.</span></p> <p class="isSelectedEnd"><span>The 20C hardcase versions provide smooth, consistent power for general driving, crawling, boating, and recreational RC use. These batteries feature a durable hard-plastic case that helps protect the internal cells from impacts, vibration, and debris. Connector options include XT90, EC5, EC3, and Deans-style plugs, allowing customers to select the version that matches their vehicle or boat without replacing the factory connector. The 20C versions measure approximately 138 x 47 x 25.1mm and have a recommended charge rate of 1C.</span></p> <p class="isSelectedEnd"><span>The </span><strong><span>PH-2S-4000-20-EC3</span></strong><span> version is specifically listed for the Pro Boat Blackjack 24-inch boat and includes an EC3 connector. It may also be used with other compatible applications requiring the same voltage, connector, polarity, discharge capability, and battery dimensions.</span></p> <p class="isSelectedEnd"><span>The </span><strong><span>PHB2S400050DNS</span></strong><span> is a round 50C LiPo battery designed for compatible RC starter boxes and other applications that use a round battery-pack configuration. Its 50C continuous and 100C burst discharge ratings provide strong, dependable power, while the factory-installed Deans-style connector allows easy connection to compatible equipment.</span></p> <p class="isSelectedEnd"><span>The </span><strong><span>PHB2S4000110</span></strong><span> is a compact, high-output short drag-racing battery. Its 110C continuous and 220C burst ratings provide rapid acceleration and strong power delivery for demanding racing applications. The short 89 x 44 x 23.6mm configuration allows it to fit compatible drag-racing vehicles and other models requiring a compact, high-discharge 2S battery. The current product information confirms a JST-XH balance connector but does not specify the main discharge connection, so the connector configuration should be confirmed before use.</span></p> <p class="isSelectedEnd"><span>All of these PowerHobby LiPo batteries include a </span><strong><span>six-month limited warranty against defects in materials and workmanship from the original purchase date</span></strong><span>. The warranty does not cover damage caused by crashes, hard landings, improper mounting, physical deformation, overcharging, deep discharging, or excessive discharge current.</span></p> <p class="isSelectedEnd"><span>Always confirm the voltage, connector type, connector polarity, battery dimensions, discharge requirements, and available battery-compartment space before installation. Charge only with a LiPo-compatible balance charger using the appropriate settings.</span></p> <p class="isSelectedEnd"><strong><span>Features</span></strong></p> <ul data-spread="false"> <li><span>2S lithium-polymer battery construction</span></li> <li><span>7.4V nominal voltage</span></li> <li><span>4000mAh capacity</span></li> <li><span>Multiple discharge ratings and configurations available</span></li> <li><span>Provides dependable runtime and consistent power</span></li> <li><span>Connector options include XT90, EC5, EC3, and Deans-style plugs</span></li> <li><span>Hardcase versions offer added protection for the internal cells</span></li> <li><span>Round version designed for compatible starter boxes</span></li> <li><span>Short hi