Giantz 150Ah Deep Cycle Battery 12V AGM Marine Sealed Power Portable Box Solar Caravan Camping

a,Maintenance-free means the terminals need not be refilled. However, the battery must be recharged periodically after use.
b.It is advised to charge the battery every 3 months if not in use for long periods. This is to prevent over-discharging of the battery which will cause irreparable damage to it.
c.AGM deep cycle batteries have a much longer cycle life if they are exhausted to a small degree and then recharged, rather than draining all their power and recharging all the away.

Features:
Deep cycle battery
Greater cycle life
Max. cycle life of 1400 cycles
Industry leading build life
Higher sulfation resistance
Longer storage life
Maintenance-free
Superior deep discharge recovery
Better low temperature performance
High oxygen-recombination efficiency
Advanced AGM technology
Spill-proof, leak-proof and non-gassing
Bolt-down terminals
Convenient carry handle

Specifications:
Overall dimensions: 40.7cm x 17.3cm x 23.7cm
Approx. weight: 32.5kg
Container material: ABS
Terminals: bolt-down
Nominal voltage: 12V
Rated capacity (10-hour rate): 150Ah
Maximum cycle lIfe: 1400 cycles (@30% DOD)
Internal resistance: Approx. 4.0m?
Maximum discharge current: 1440A (5s)
Maximum charge current: 30A
Operating temperature ranges:
Discharge: -15?C to 50?C
Charge: -20?C to 50?C
Storage: -20?C to 50?C
Capacity affected by temperature: 40?C = 102% | 25?C = 100% | 0?C = 85% | -15?C = 65%
Float charge: 13.5 to 13.8V
Equalise charge: 13.8 to 14.1V
Cycle charge: 14.4 to 15.0V
Self-discharge 3% of capacity declined per month at 25?C

Package Contents:
1 x Giantz Deep Cycle Battery
1 x User manual