2 packs of 4S Lipo battery, Nihewo RC battery 14.8V 4500mAh 80C with EC5 plug. Compatible with 1/6 1/8 scale RC cars, trucks, planes, helicopters, boats, and tanks.

["What you get - 2 Packs x Nihewo 14.8V 4s lipo 4500mAh 80C EC5 Connector", "14.8V Lipo Battery Dimensions and Weight - Nihewo 4 Cells Lipo Battery 4500mah Dimensions (L*W*H): 137*44.5*34.5mm (±3mm) / 5.39*1.75*1.36inch; Approximate Weight: 401g (±15g) / 0.88lb / 14.14oz", "RC Lipo Specification - Nihewo 4s Battery Material: Lithium-Polymer; Battery Voltage: 14.8V; Cells: 4S; Capacity: 4500mAh; Configuration: 4S1P; Cell Voltage: 3.2~4.2V; Discharge rate: 80C; Charge Plug: JST-XHR-4P; Discharge Plug: EC5 Connector; Packaging: Softcase; Wire Gauge: 10AWG", "LiPo Battery Application - Nihewo 4s Lipo Battery ec5 compatible with RC Helicopter, Airplane, Multirotor, Boat, 1/8 Scale Car/Truck/Vehicles. (It is only applicable when the voltage, size, and connector match. And for the connector, you can replace it yourself)", "Balanced, longer cycle life, longer runtime, lower resistance - Nihewo RC Battery provide great well-balanced (cell voltage difference is within 0.03V), energy density (317Wh/kg), longer cycle life (350 times), longer runtime (+12%). Low resistance (-4%)", "Warm Safety Warning - 1. users must read the user manual before using the Lipo batteries; 2. You must use Lithium-Polymer (LiPo) specific genuine balance charger only; 3. the charging rate should not exceed 1C; 4. never charge the RC battery unattended. 5. Please test the voltage before charging, storing, and using, if it is not balanced, please balance the voltage first.", "Friendly Customer Support - If you have any questions about rc lipo batteries, please contact us: 1. Go to \"Your Orders\", click on \"Contact Seller\"; 2. click on \"Ask a question\" on our Storefront. We will get back to you within 24 hours."]