The HELIOS ESS, a rechargeable Li-ion battery from Discover Energy Systems (Discover), is a high-capacity, low-voltage battery that can operate independently or in a battery bank configuration where multiple batteries are connected in parallel.
This document applies to HELIOS ESS batteries with serial numbers DLPHD48B251790001 and later. For HELIOS ESS batteries with earlier serial numbers, please refer to Rev C.
The wall-mount bracket was updated. For information on the earlier wall-mount bracket for HELIOS ESS batteries with serial numbers before DLPHD48B250780001, refer to the installation instructions in Rev C.
The following are easy ways to identify which revision of the manual you should use.
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Refer to Rev C |
Refer to Rev D or later |
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Rubber Feet 
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Adjustable Feet 
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LCD Screen 
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No LCD Screen 
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Wall-mount bracket dimensions and installation instructions 
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New wall-mount bracket
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