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New Use Energy SunCase 3651
Model: SunCase 3651 · SKU: Not documented
Prepared Nov 12, 2026
Common specifications
| Rated capacity | 5.12 kWhSource [1, 2] |
|---|---|
| Usable capacity | Not documented |
| Battery voltage | 51.2 VSource [1] |
| Rated capacity | Not documented |
| Continuous output | 3.6 kWCalculatedSource [1] |
| AC output voltage | 120 VSource [1] |
| Maximum AC charging | Not documented |
| PV input limit | Not documented |
| Transfer time | Not documented |
| Continuous discharge current | Not documented |
| Continuous charge current | Not documented |
| Peak discharge current | Not documented |
| Timed peak output | Not documented |
| Dimensions | |
| Weight | |
| Communications | Not documented |
| Terminals | Not documented |
| Enclosure | |
| Chemistry | LiFePO4Source [1] |
| Cycle life | 6,000 cyclesSource [1] |
| Solar input voltage | 70 to 150 VdcSource [1] |
| MPPT voltage range | Not documented |
| Maximum PV voltage | Not documented |
| AC charge input | Not documented |
| Enclosure volume | 92.74 L** Calculated from recorded external dimensions |
| Warranty term | 2 yearsSource [1] |
All recorded specifications
| AC output voltage | 120 VDocumented claim ConditionsPrinted as "120 Vac, 60 Hz" for the AC outlets. Location: Table 1 Specifications (PDF page 23), Outputs, AC Printed as "120 Vac, 60 Hz" for the AC outlets. Location: Table 1 Specifications (PDF page 23), Outputs, AC |
|---|---|
| Battery capacity | 5,120 WhCalculated5.12 kWh x 1000 = 5120 Wh ConditionsPrinted as "Storage Capacity 5.12 kWh" in the manual and the datasheet; 5.12 kWh expressed in Wh. Location: Table 1 Specifications (PDF page 23), Battery, Storage Capacity Printed as "Storage Capacity 5.12 kWh" in the manual and the datasheet; 5.12 kWh expressed in Wh. Location: Table 1 Specifications (PDF page 23), Battery, Storage Capacity Official user manual · SunCase 3651 User Manual (USM 20260213 Rev C)Official datasheet · SunCase 3651 datasheet (commercial edition) [1, 2] |
| Battery voltage | 51.2 VDocumented claim ConditionsPrinted as "Voltage 48 volts nominal (51.2 Vdc)". Location: Table 1 Specifications (PDF page 23), Battery, Voltage Printed as "Voltage 48 volts nominal (51.2 Vdc)". Location: Table 1 Specifications (PDF page 23), Battery, Voltage |
| Charging temperature | 0 to 55 °C32 to 131 °F convertedDocumented claim ConditionsPrinted as "Charge: 32 to 131°F (0 to 55°C)". Location: Table 1 Specifications (PDF page 23), Operating Temperature Range Printed as "Charge: 32 to 131°F (0 to 55°C)". Location: Table 1 Specifications (PDF page 23), Operating Temperature Range |
| Chemistry | LiFePO4Documented claim ConditionsPrinted as "Lithium-Iron Phosphate (LiFePO4)". Location: Table 1 Specifications (PDF page 23), Battery, Type Printed as "Lithium-Iron Phosphate (LiFePO4)". Location: Table 1 Specifications (PDF page 23), Battery, Type |
| Continuous output | 3.6 kWCalculated3600 W / 1000 = 3.6 kW ConditionsPrinted as "3600 W continuous"; 3600 W expressed in kW. Location: Table 1 Specifications (PDF page 23), Outputs, AC Printed as "3600 W continuous"; 3600 W expressed in kW. Location: Table 1 Specifications (PDF page 23), Outputs, AC |
| Cycle life | 6,000 cyclesDocumented claim ConditionsPrinted as "6000 cycles (based on an 80% Depth of Discharge and subject to other variables including temperature and load)"; an estimate at 80% depth of discharge. Location: Table 1 Specifications (PDF page 23), Battery, Estimated Cycle Life Printed as "6000 cycles (based on an 80% Depth of Discharge and subject to other variables including temperature and load)"; an estimate at 80% depth of discharge. Location: Table 1 Specifications (PDF page 23), Battery, Estimated Cycle Life |
| Dimensions | 460 W × 720 H × 280 L mm18.1 W × 28.3 H × 11 L in convertedCalculated72 x 46 x 28 cm (H x W x D) x 10 mm/cm ConditionsPrinted as "Unit 28 × 18 × 11 in (72 × 46 × 28 cm)" under Dimensions (H × W × D); the centimeter figures are converted to millimeters and the depth is recorded as length. Location: Table 1 Specifications (PDF page 23), Environmental, Dimensions (H × W × D), Unit Printed as "Unit 28 × 18 × 11 in (72 × 46 × 28 cm)" under Dimensions (H × W × D); the centimeter figures are converted to millimeters and the depth is recorded as length. Location: Table 1 Specifications (PDF page 23), Environmental, Dimensions (H × W × D), Unit |
| Discharging temperature | -20 to 55 °C-4 to 131 °F convertedDocumented claim ConditionsPrinted as "Discharge: -4 to 131°F (-20 to 55°C)". Location: Table 1 Specifications (PDF page 23), Operating Temperature Range Printed as "Discharge: -4 to 131°F (-20 to 55°C)". Location: Table 1 Specifications (PDF page 23), Operating Temperature Range |
| Enclosure | IP44Needs confirmationThe user manual prints "Enclosure Rating Conforms to IP44"; the datasheet says the case "conforms to IP55". The manual's rating is shown first. ConditionsPrinted as "Enclosure Rating Conforms to IP44" in the manual. The datasheet says the case "conforms to IP55". Location: Table 1 Specifications (PDF page 23), Enclosure Rating Printed as "Enclosure Rating Conforms to IP44" in the manual. The datasheet says the case "conforms to IP55". Location: Table 1 Specifications (PDF page 23), Enclosure Rating |
| Ports | AC: NEMA 5-20R (x2) standard outlets, maximum 20 Aac; NEMA L5-30R twist lock, maximum 30 Aac; DC 12 Vdc: 12 to 13 Vdc, 10 Adc, maximum 120 W; DC 48 Vdc: maximum 50 Adc per connection; USB 3.0 Type A (x2): 5 Vdc, maximum 3 Adc; Type C (x2): 5 Vdc, maximum 65 WDocumented claim ConditionsThe Outputs rows as printed in the manual's specification table. Location: Table 1 Specifications (PDF page 23), Outputs The Outputs rows as printed in the manual's specification table. Location: Table 1 Specifications (PDF page 23), Outputs |
| PV input current / MPPT | 30 ADocumented claim ConditionsPrinted as "Charge Rate Maximum 30 Adc". Location: Table 1 Specifications (PDF page 23), PV Input, Charge Rate Printed as "Charge Rate Maximum 30 Adc". Location: Table 1 Specifications (PDF page 23), PV Input, Charge Rate |
| Rated AC output | 3,600 WDocumented claim ConditionsPrinted as "120 Vac, 60 Hz, 3600 W continuous, 7200 W surge"; the surge duration is not stated. Location: Table 1 Specifications (PDF page 23), Outputs, AC Printed as "120 Vac, 60 Hz, 3600 W continuous, 7200 W surge"; the surge duration is not stated. Location: Table 1 Specifications (PDF page 23), Outputs, AC |
| Rated capacity | 5.12 kWhDocumented claim ConditionsPrinted as "Storage Capacity 5.12 kWh". Location: Table 1 Specifications (PDF page 23), Battery, Storage Capacity Printed as "Storage Capacity 5.12 kWh". Location: Table 1 Specifications (PDF page 23), Battery, Storage Capacity Official user manual · SunCase 3651 User Manual (USM 20260213 Rev C)Official datasheet · SunCase 3651 datasheet (commercial edition) [1, 2] |
| Solar input limit | 1,700 WDocumented claim ConditionsPrinted as "Maximum Harvest 1700 W" for the maximum power point tracking controller. Location: Table 1 Specifications (PDF page 23), PV Input, Maximum Harvest Printed as "Maximum Harvest 1700 W" for the maximum power point tracking controller. Location: Table 1 Specifications (PDF page 23), PV Input, Maximum Harvest |
| Solar input voltage | 70 to 150 VdcDocumented claim ConditionsPrinted as "PV Input Voltage 70 to 150 Vdc". Location: Table 1 Specifications (PDF page 23), PV Input, Voltage Printed as "PV Input Voltage 70 to 150 Vdc". Location: Table 1 Specifications (PDF page 23), PV Input, Voltage |
| Surge AC output | 7,200 WDocumented claim ConditionsPrinted as "120 Vac, 60 Hz, 3600 W continuous, 7200 W surge"; the surge duration is not stated. Location: Table 1 Specifications (PDF page 23), Outputs, AC Printed as "120 Vac, 60 Hz, 3600 W continuous, 7200 W surge"; the surge duration is not stated. Location: Table 1 Specifications (PDF page 23), Outputs, AC |
| Weight | 53 kg120 lb convertedDocumented claim ConditionsPrinted as "Weight 123 lb (53 kg)"; boxed gross 135 lb (61 kg). The datasheet prints the same weight. Location: Table 1 Specifications (PDF page 23), Environmental, Weight Printed as "Weight 123 lb (53 kg)"; boxed gross 135 lb (61 kg). The datasheet prints the same weight. Location: Table 1 Specifications (PDF page 23), Environmental, Weight |
Warranty
| Warranty term | 2 yearsDocumented claim ConditionsPrinted as "NUE SunCase™ products come with a Two (2) Year Repair / Replacement Limited Warranty"; it covers the original purchaser only, and the same page states ten years of free technical support. Location: Warranty, NUE SunCase Two Year Limited Warranty (PDF page 31) Printed as "NUE SunCase™ products come with a Two (2) Year Repair / Replacement Limited Warranty"; it covers the original purchaser only, and the same page states ten years of free technical support. Location: Warranty, NUE SunCase Two Year Limited Warranty (PDF page 31) |
|---|
Certificate records
No records documented.
Sources and revisions
- SunCase 3651 User Manual (USM 20260213 Rev C)Official user manual · Revision USM 20260213 Rev C · Checked https://cdn.shopify.com/s/files/1/0743/7097/3969/files/SunCase_3651_User_Manual_Rev_C_02132026.pdf?v=1775752823
- SunCase 3651 datasheet (commercial edition)Official datasheet · Checked https://cdn.shopify.com/s/files/1/0743/7097/3969/files/NUE_SunCase_3651_Datasheet_digital_2_2d9aaf1c-b786-48fc-a883-7e265a62c1ce.pdf?v=1775752438
- SunCase 3651 product page, newuseenergy.com (October 1, 2026 capture)Official product page · Checked https://newuseenergy.com/products/suncase-3651