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The valve regulated, spill-proof construction allows troublefree, safe operation in any position.
There is no need to add electrolyte, as gases generated during overcharge are recombined in a unique "oxygen cycle."
Batteries may be used in series and/or parallel to obtain choice of voltage and capacity
The high impact resistant battery case is made of nonconductive ABS plastic to UL94-HB
Power-Sonic batteries may be discharged over a temperature range of -40C to +60C
High quality sealed lead acid SLA batteries from Power Sonic provide excellent value for uses including computer UPS systems, alarm back up, garden tractors, children s vehicles, and many more. The PS640 has a rated output of 6V, 4.5 Ah.