12V 300Ah AGM Deep Cycle Battery Bank (6×2V) | 4Boats

12 V 300 Ah AGM deep‑cycle battery bank built from six 2 V cells for large power systems and energy storage.

• Benefits of 2 V battery connection: 2 V cells connected in series provide improved longevity through even charging and discharging.
• Deeper discharge capability: Thicker metal plates in 2 V cells deliver more usable energy than an equivalent bank made from 12 V batteries.
• Suitable applications: Ideal for motorhomes, caravans and boats; solar, wind and hybrid energy systems; household off‑grid power; emergency/UPS backup; telecoms and network energy storage; power stations.
• AGM battery benefits: 6 x AGM (Absorbed Glass Mat) batteries — maintenance-free, non‑spillable sealed construction with terminal protection, low self‑discharge, and good resistance to shock and vibration. Supplied with a detailed user manual and metal plate connectors.
• Specifications (per 2 V battery): Nominal voltage 2 V; nominal capacity 300 Ah (10‑hr) / 330 Ah (20‑hr); maximum charging current 60 A; initial charging current up to 60 A; cycle lifetime at 30% DOD ≈ 1000 cycles; internal resistance (fully charged) ≈ 0.98 mΩ; safety valve pressure control; terminal type F18/F31 with M10 bolts; operating temperature -10 °C to +40 °C (14 °F to 104 °F); dimensions excl. terminals 171 x 151 x 334 mm (6.73 x 5.94 x 13.15 in), incl. terminals 171 x 151 x 365 mm (6.73 x 5.94 x 14.37 in); weight 16.8 kg (37.0 lb).
• Specifications (entire 12 V battery bank): Nominal voltage 12 V; nominal capacity 3.6 kWh; maximum charging current 60 A; charging voltage — cycle use 14.1 V / standby use 13.7 V; temperature compensation — cycle use -30 mV/°C, standby -18 mV/°C; size 911 x 171 x 365 mm (35.9 x 6.7 x 14.4 in); weight 100.8 kg (222.0 lb).
• Connections & safety: Supplied with metal plate connectors for series linking, sealed AGM construction for non‑spillable safety, and robust terminals with M10 bolts for secure installation and vibration resistance.

Care & compatibility: Maintenance-free in normal use — store and operate within the stated temperature range; use a compatible charger/inverter with the specified charging voltages and temperature compensation for longest life.