You should always have at least 5 hours (if you have a single battery) or 10 hours (if you have two batteries) of backup at low energy usage during normal operations. More batteries mean. You often find lithium-ion batteries as the better choice for outdoor base station backup. You get longer cycle life, higher energy density, and less maintenance. Reliability, cost, performance, and environmental suitability matter when you make this decision. Maintenance also plays a key role. Batteries of the unsealed type shall be located in enclosures with outside vents or in well ventilated rooms and shall be arranged so as to prevent the escape of fumes, gases, or electrolyte spray into other areas. Ventilation shall be provided to ensure diffusion of the gases from the battery and. Battery charging can sometimes generate flammable gases, so it is important for employees to avoid anything that could cause open flames or sparks. Employers must consider exposure to these hazards when developing safe work practices and selecting personal protective equipment (PPE). 2014 Code Language including the Errata: 480. Battery locations shall conform to 480.
