TBM Li Ion 4-cell battery pack 5200 mAh 7.4v with JR connecter. 12 amp continuous, 18 amp burst. Weight 6.6 oz.

Square Pack with JR connecter. These use the latest and greatest Samsung 2600 mah cells. If you need a pack with Deans, Multiplex, EC3, Anderson Power Pole, etc, just solder on the lead to this pack and put on new shrink wrap. TBM offers a variety of leads for this purpose on the Lead Page.

Square pack - 1.5"x1.5"x2.6"

Fromeco Relion 4-Cell Li-Ion 5200 mah (Square shape only)

Same cells and similar make up as the TBM batteries.
5200 mah  12 amps continuous 18 amps burst
7.4v  6.6 oz  

Square Pack with JR connecter. These use the latest and greatest Samsung 2600 mah cells. If you need a pack with Deans, Multiplex, EC3, Anderson Power Pole, etc, just solder on the lead to this pack and put on new shrink wrap. TBM offers a variety of leads for this purpose on the Lead Page.

Square pack - 1.5"x1.5"x2.6"