Li-ion battery with LG cells for your engined large plane/ Jet/heli:

Rx26002S1P ( Flat Type)

With JR& balance connector ( JST-XH)
Packed with two LG 2600mah cells
Typical Capacity: 2600mAh
Standard Voltage: 7.4 V
Dimension: 18 x 65 x 38 mm
Pack Weight: 112 gram (with wires&plugs)


Rx52002S2P ( Square Type )
With JR& Balance Connector ( JST-XH)
Packed with four LG 2600mah cells
Typical Capacity: 5200mAh
Standard Voltage: 7.4 V
Dimension: 36 x 65 x 38 mm
Pack Weight: 210 gram (with wires&plugs)