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IPS complies. All replacement batteries on the MS1 are available for purchase. d. Batteries shall be standard "off-the-shelf' battery products available for consumers. IPS complies. e. The voltage check system for rechargeable batteries shall be integrated into the MSM reset sequence. IPS complies. The City can perform a voltage check at any time either at the machine by accessing the "Voltages" menu on the display or via the DMS. f. The City maintenance personnel shall be able to replace rechargeable batteries without the use of tools (i.e., nothing should be screwed in or otherwise constrained from removal). IPS complies. No special tools are required to replace the rechargeable battery. g. A low battery remote alarm indicator shall be included to facilitate timely replacement of batteries. IPS complies. h. If a MSM loses power (solar and/or battery), or the battery becomes depleted or disconnected, the MSM shall be able to retain all stored programming, operational, and financial audit data for a minimum period of one year. IPS complies. IPS meters use non-volatile flash memory for the secure storage of all meter event and transaction information as permitted by PA-DSS and PCI-DSS requirements. This information can be stored indefinitely. i. Proposal Deliverables - Power j. The Proposer shall describe the minimum life expectancy for both rechargeable batteries assuming the following operation parameters Operating hours are Monday-Saturday, 9 a.m. to 9 p.m.: • MSMs shall transmit payment status for all types of payment (e.g., coins, credit card) to the CMS within 90 seconds after determining the transaction to be completed. The power architecture consists of a rechargeable battery system only. Primarily the system runs on converted solar power only. The rechargeable battery stores surplus solar energy and then covers the meter's energy requirements when the solar charging system is not able to satisfy part or all of the meter's energy requirement for some extended time. The MS 1 meter has been engineered to be more energy efficient, and also further optimized with solar charging process and storage design. We strongly recommend the rechargeable portion to be the OEM part IPS supplies — as it's a high quality, application specific — high performance and long life rechargeable battery which should last the maximum amount of time. Assuming there are zero hours of direct sunlight or indirect sunlight with 12 operating hours and allowing for all types of payment, the minimum life expectancy would be 40 days. This number changes with every additional hour of direct and indirect sunlight. For example, based on the current consumption of the meter, features enabled, two direct hours of sunlight and 5 hours of indirect sunlight, the battery life expectancy increases to 221 days. lc. MSM conducts, on average, 50 transactions per day. • MSM backlight is activated by any button push or by initiating the payment (e.g., coin drop, credit card or smart card insertion). * NFC payment mode is activated by any button push. REV: 05-05-16 JS Page 58 of 177 ATTY/AGR.2016.094/IPS Group