... standard charge (5 hours rate) used to 2,000 times. The quality of lead-acid batteries with a "new for half a ... full, start-up current of up to 2C, but not the performance of lead-acid batteries now.4, high temperature, lithium iron ... contain any heavy metals and rare metals (nickel-metal hydride batteries to be rare), non-toxic (SGS certification through), non-polluting, in ...