Specifications:

Capacity: 6600mAh
- Voltage: 7.6V / 2S1P
- Discharge Rate: 140C
- Weight: 245g
- Size: 139mm x 47mm x 20mm (L x W x H)
- Connector Type: 5.0mm bullet

Specifications:

- Capacity: 6100mAh
- Voltage: 7.6V / 2S1P / 2 Cells
- Discharge Rate: 140C
- Weight: 224g
- Dimensions: approx. LxWxH 138x46x18mm
- Connector Type: 5.0mm bullet

Gens ace Battery LiPo 2S-7.6V-100C-5500 (5mm) Shorty 97x48x26mm 220g

Gens ace LiPo 2S HV Pack 7.6V-7500-100C (4mm plug)