m. Сміла, Незалежності, 67г. оф, 406/6
GoodWe GW60KWH-D-10 Ext. - expansion battery cabinet 60 kWh.
Description GoodWe GW60KWH-D-10 Ext.
GoodWe GW60KWH-D-10 Ext. is a 60 kWh expansion battery cabinet intended for increasing the capacity of an already installed system. The Ext. marking means the cabinet works only alongside a GW60KWH-D-10 base unit and has no standalone use. Voltage 633.6 V, current 96 A, mass 972 kg, IP55 protection, built-in automatic fire suppression.
Why it is 30 centimetres narrower
Compare the dimensions: the base cabinet is 1108 mm wide, the expansion cabinet 808 mm. Both hold the same 60 kWh. The difference is that the base unit carries the control and switching section of the system, while the expansion unit holds only battery modules.
For the owner that means two practical things. First, every subsequent cabinet takes up less space on the pad, so an expanded system grows more compactly than the first block suggests. Second, the cost per kilowatt-hour on an expansion is usually lower, because you are not paying for control electronics a second time.
The logic of building in stages
Industrial storage is rarely bought at full size from the start. The reason is simple: the exact consumption profile only becomes clear after the system has run for a few months. Paper calculations almost always differ from real load curves.
Modular architecture solves that. You install the base cabinet for current demand, watch the actual data through a season, and only then buy exactly as much capacity as is genuinely missing. This removes the risk of paying for unused reserve — and in storage, unused reserve is always expensive.
Properties inherited from the base solution
The expansion cabinet carries the same characteristics as the base unit, which matters for design work:
IP55 protection — outdoor installation with no dedicated room;
automatic fire suppression inside the enclosure;
6000 charge and discharge cycles;
round-trip efficiency from 95%;
natural-convection cooling — no fans and no filters;
operation at altitudes to 4000 m, humidity to 95%;
certification to IEC 62619, UN 38.3 and CE.
What to check before ordering
The most important point is confirming that a base unit is genuinely installed, or ordered together with this one. Without it, an expansion cabinet is a set of batteries with no control system.
The second question is space. The cabinet measures 808 × 2050 × 1112 mm and weighs 972 kg. The pad for expansion should be planned while the first cabinet is being installed: a level concrete base, access for handling equipment and clearance for servicing. When that is thought through in advance, an expansion takes days rather than weeks of preparation.
Temperature range
Charging is permitted from 0 to +45 °C and discharging from −20 to +50 °C. In cold weather the system delivers energy without restriction, but charging in hard frost is limited — a property of lithium chemistry rather than of this particular model. For year-round outdoor operation this should be built into the control strategy.
Planning to expand a working system? Send us the configuration currently in place along with what is falling short. We will calculate how many cabinets are needed and warn you if the real bottleneck turns out to be inverter power rather than capacity.
Characteristics GoodWe GW60KWH-D-10 Ext.
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