Li-ion 5S 4000mah 40A battery pack

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A buck of Li-Ion Power in a delicious compact package, 
so fat for a lot of juice just for your long range drone!


5S1P 21700 li-ion battery pack.

High quality Samsung 4000mah 40A cells







  • This battery pack is meant for cruising and long range flight with 5", 6" and 7" inches drones. Keep in mind that it performs better with low RPM and good torque motors equipped with the right propeller. 
    For more information, check your motor's performance chart and find out which prop gives the best efficiency value referred to a 5S battery: that's the right propeller for this battery.

  • Plan your flight in order to still have 3.6 V/cell when landed: this will keep your Li-Ion battery pack healthy for a long long time.

  • Select specific Li-Ion program on your balancing charger and charge at no more than 2.0 A.

  • With multi-rotors, stay at 50/55% of your throttle and be smooth when open up and maneuver. You could consider to set your throttle curve and roll/pitch rates in order to have smoother accelerations. This way you will enjoy this battery pack almost a life-time.



Standard connector: XT60 (write us if you want any other connector -

Nominal voltage/cell: 3.6v

Nominal 5S voltage: 18v

Nominal capacity: 4000mah

Weight: 366g

Dimensions mm (W x L x H): 65 x 80 x 43