[Combo] 4 Packs CNHL ministar 450mAh 7.4v 2s 70c Lipo Battery with XT30U - UK Warehouse Ship_From:UK never force the battery door

never force the battery door closed against the pack

cycle it several times using a balance charger

recommend the 1300mah 4s 120c

enough discharge to avoid feeling flat

[Combo] 4 Packs CNHL ministar 450mAh 7.4v 2s 70c Lipo Battery with XT30U - UK Warehouse Ship_From:UK never force the battery doorSpecifications: Stock Number: 45702GC4 Capacity: 450mAh Voltage: 7. 4V 2 Cell 2S1P Discharge Rate: 70C Continual 140C Burst Charge Rate: 5C Max Size(1 5mm difference): 16X18X65mm Approx Weight(5g) : 35g Output Connector: XT30U Balance Connector: JST XH Package include: 4*CNHL MiniStar 450mAh 7. 4V 2S 70C Lipo Battery with XT30U Compatible RC Models: CNHL 2s lipo battery 450mAh 7. 4V with XT30U is specially designed for DJI 04 WHOOP, Mini Micro FPV,