Digital Screen Intelligent Gel Storage Battery. The OT150-12 (GEL) is a deep cycle 12 Volts gel battery manufactured by Outdo, The OT150-12 (GEL) battery has a capacity of 150AH with an initial current of 45 Amps. Designed with consideration for the environment, the battery is eco-friendly ensuring that there is no negative impact on the environment it is surrounded by. Being a quality product, the battery is well insulated, manufactured with flame retardant externals, better sealing, perfect contacts for high conductive performance, heat-resistant and non-leaking so you don’t have to worry about leakages or spillages. The OT150-12 (GEL) has a long lifespan and is applicable in many instances.