7000mAh 7.4V Li-polymer Battery for 1/16 Heng Long RC Tank Abrams German Tiger I | eBay
XT60 plug 7.2v 1800mAh Li-ion battery/USB for Henglong 3848 3849 3858 3859 3868 3869 3878 3888 3898 3909 1/16 RC tank parts - AliExpress
Heng Long - battery 7.2V 2000mAh Ni-MH, 17,95 €
Amazon.com: 7.4V 5600mAh Li-ion Battery Large Capacity for Heng Long 3818 3889 3809 RC Tank L6.2-2P Plug 2 Pack with 7.4V Balance Charger : Toys & Games