GT Power A620 Intelligent Battery System
20 Amp Balance Charger/Discharger

LiFe/Li-Ion/Li-Po: 1-6 cells
Ni-Cd/NiMH: 1-18 cells
Lead Acid (Pb): 2-24V
Charging rate: 0.1-20.0A (max 400 watts)
Discharge rate: 0.1-5.0A (max 25 watts)
Current drain for Balancing: 200mAh/cell
Intelligent Temperature Control
Weight: 820g
Dimensions: 152x145x57mm

Recommended to use with 29 Amp Power Supply