Same as the standard version but with higher battery capacity meaning more shocks during longer time as well as longer stand-by time.
Comparison:
Model: DBP-2800 DBP-1400
High capacity Standard capacity
Power: 15V, 2800 mAh 15V, 1400 mAh
Capacity: 300 shocks/16 hours 125 shocks/8 hours
Standby-life (typical): 6.5-7 years 4.5-5 years
Type Lithium/Manganese Dioxide | Disposable, recyclable, non rechargeable