Capacity: 35Ah 
Voltage: 12V
4A intelligent Charger included.
Dual-USB chargers with builtin switch to cut off power when not in use.
Built-in battery management system: short circuit, over-current discharge, over-discharge protection.
Dimensions: 8-1/8 x 5-5/8 x 3-3/4
Case fits through 8" round Hobie hatch.
Case: Waterproof case. 
Carry handle for ease of moving.
Usage: This is suitable for multiple days fishing and camping trip. It could power up fishfinder, charger GoPro batteries, charge phone, power up light...etc
Battery comes with complete parts for one fishfinder setup, either soldering or crimping.
 
Note: Can customized up to 56Ah.