Upgrade Energy Dark Lithium 14.8V 4S 18650 5200mAh 30C Li-Ion Battery - XT60

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Upgrade Energy Dark Lithium series is the new product line designed to dominate the long-range FPV market. With a higher capacity, lower internal resistance, and a lower pack temperature, this battery will provide flight times and punch like no other battery on the market. Upgrade Energy has built the best Li-ion pack through extensive research and lab testing.

Check out our Lithium Ion batteries, cells, chargers, and the rest of our Upgrade Energy Selection!


  • High-quality, long-lasting power designed and made in the USA
  • Utilizes the highest current 18650 Li-Ion cells on the market
  • Higher capacity and lower weight than a similar-sized LiPo
  • Copper tabs throughout differentiate us from the competition
  • Designed through thermal analysis for optimal heat dissipation
  • Optimized power and balance lead lengths for minimal weight and wire tangle


  • Cell Type: Molicel P26A 18650
  • Nominal Voltage: 14.8V
  • Cells: 4
  • Capacity: 5200mAh
  • Discharge Rate (Continuous): 25C / 45A
  • Dimensions: 8cm x 4.3cm x 4cm 
  • Discharge Lead: XT60
  • Balance Lead: JST-XH
  • Weight: 392g


  • 1x Upgrade Energy Dark Lithium 14.8V 4S 18650 5200mAh 25C Li-Ion Battery - XT60