| a simple plug-and-play replacement for typical lead-acid battery built-in protection for over-charge, over-discharge and over-temperature no battery management system required series connection up to four batteries(48V) inta-module balancing LED battery status indicator maintenance-free can be charged using most standard lead-acid chargers RS-485 communication | specifications | 12V-40AH | | Voltage | 12.8V | | Nominal Capacity(C/2,23°c) | 40Ah | | Weight(approximate) | 6.5Kg | | Dimension incl. Terminals LxWxH | 197x131x183mm | | Terminals, Female-Threaded | 1/4-20 | | Specific Energy | 79Wh/kg | | Energy Density | 110 Wh/l | Standard discharge @23°c | Max.Cont Current | 30A | | Max.20 sec.Pulse | 80A | | Cut-off Voltage | 10V | | Run-time@10A | 240min | | run-time@30A | 80min | | Standard charge | Charge Voltage | 14.6V | | Float | 13.8V | | Recommended | 20A | | Charge Time | 2.5hrs | | DC internal resistance(max) | 15mΩ |
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