Dyness HV9637S
Verified distributor global (EN documentation) verified Sept. 2, 2026
Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Identity
| category | batteries |
| ean | UNKNOWN |
| generation | UNKNOWN |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Dyness (Dyness Digital Energy Technology Co., LTD) |
| market_version | EN |
| model | HV9637S |
| mpn | HV9637S |
| product_family | Dyness Tower S3 (TS7-TS21) battery module |
| product_status | UNKNOWN |
| product_status_detail | current |
| product_status_evidence | Named as the battery module in the Tower S3 ESS User Manual Table 2-2 and stocked by EU distributors (GVOLT, 7SUN) as of 2026-09-02. |
| region | global (EN documentation) |
| release_year | UNKNOWN |
| sku | UNKNOWN |
| subcategory | high-voltage battery MODULE for a stacked tower system (96 V class) |
| variant_note | MODULE-level record. 96 V / 37 Ah / 3.552 kWh (distributors round to 3.55 kWh), usable 3.37 kWh per GVOLT. Same electrical class as HV9637 but a DIFFERENT part number, a 108 V (not 109.5 V) charge voltage, a 22 A charge peak instead of a 37 A charge max, a 40 kg (not 41 kg) weight and a 0~55 C module operating range. |
Electrical
| cell_chemistry | LiFePO4 ('Li-ion (LFP)') |
| cell_type | UNKNOWN |
| continuous_charge_current_a | 18.5 |
| continuous_discharge_current_a | 18.5 |
| continuous_power_kw | UNKNOWN |
| cycle_life | 6000 |
| depth_of_discharge_pct | 95 |
| max_charge_current_a | UNKNOWN |
| max_charge_power_kw | UNKNOWN |
| max_discharge_current_a | 37 |
| max_discharge_power_kw | UNKNOWN |
| max_parallel_units | UNKNOWN |
| max_series_units | 6 |
| modules_per_tower_max | 6 |
| modules_per_tower_min | 2 |
| nominal_capacity_ah | 37 |
| nominal_energy_kwh | 3.552 |
| nominal_voltage_v | 96 |
| operating_voltage_max_v | 108 |
| operating_voltage_min_v | 84 |
| parallel_supported | False |
| peak_charge_current_a | 22 |
| peak_discharge_current_a | UNKNOWN |
| peak_power_kw | UNKNOWN |
| round_trip_efficiency_pct | UNKNOWN |
| series_supported | True |
| system_energy_max_kwh | 21.31 |
| system_energy_min_kwh | 7.1 |
| usable_energy_kwh | 3.37 |
Physical / mechanical
| color | UNKNOWN |
| cooling_method | UNKNOWN |
| depth_mm | 504 |
| enclosure_material | UNKNOWN |
| height_mm | 240 |
| installation_notes | Manual prints '(W x D x H, mm) 380x504x240' - same apparent W/D transposition as the HV9637 module table. The 7SUN listing quotes '504/380/720' mm, which is the TS7 SYSTEM footprint, not the module; it was not used. |
| ip_rating | IP54 |
| mounting_type | stacked module inside the Tower S3 enclosure |
| rack_units | UNKNOWN |
| shipping_weight_kg | UNKNOWN |
| weight_kg | 40 |
| width_mm | 380 |
Installation
| indoor_outdoor | installed inside the tower enclosure |
| notes | Battery MODULE only. Never usable stand-alone: it must be stacked under a Dyness BDU control unit on a base. 2-6 modules per tower. |
| parallel_hub_required | False |
Environment
| indoor_outdoor | inside the tower enclosure (IP54) |
| max_altitude_m | UNKNOWN |
| operating_humidity | UNKNOWN |
| operating_temperature_charge_max_c | 50 |
| operating_temperature_charge_min_c | 0 |
| operating_temperature_discharge_max_c | 50 |
| operating_temperature_discharge_min_c | -10 |
| operating_temperature_max_c | 55 |
| operating_temperature_min_c | 0 |
| pollution_degree | II |
| storage_humidity | <65% RH |
| storage_temperature_max_c | 45 |
| storage_temperature_min_c | 5 |
Interfaces & connectors
| bluetooth | UNKNOWN |
| can | True |
| communication_ports | 9-pin composite connector (plug + socket) carrying module DC output plus SWAKE / SCANSG / SCANL / SCANH / 24V+ / 24V- / SCANIN / SCANOUT |
| dry_contact | UNKNOWN |
| ethernet | UNKNOWN |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| protocol_notes | Module table row 'Communication mode' = 'CAN/RS485' |
| rs232 | UNKNOWN |
| rs485 | True |
| usb | UNKNOWN |
| wifi | UNKNOWN |
Protection
| fire_suppression | UNKNOWN |
| notes | UNKNOWN |
Certifications
| emc_certifications | CE-EMC (7SUN also lists CE-RED) |
| safety_certifications | IEC62619 / IEC63056 / IEC62477 / IEC62040 |
| standards | CE-EMC / CE-RED / IEC62040 / IEC62619 / IEC62477 / IEC63056 / UN38.3 (7SUN); GVOLT lists 'CE-EMC, IEC62040, IEC62619, IEC62477, IEC63056, UN38.3' |
| transport_certifications | UN38.3 |
Warranty & service
| conditions | UNKNOWN |
| summary | 7SUN and GVOLT distributor listings both quote a 10-year warranty. |
| years | 10 |
Documents
compatibility_list
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Dyness Tower S3 Series Compatibility List 2025-12-08 - official — located, not retrieved
rev 20251208
datasheet
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Dyness Tower S3 Datasheet EN 2025-07-29 (TowerS3DatasheetEN20250729.pdf) - official, linked from the Tower S3 product page — located, not retrieved
rev 2025-07-29
distributor_listing
7SUN distributor listing: Battery module - DYNESS - HV9637S - S3 - 3.55 kWh - HV
rev UNKNOWN
Recorded conflicts
environment.storage_temperature_range_c Review required
5 to 45 C — Tower S3 ESS User Manual, storage chapter
-10 C to 50 C — GVOLT B2B listing, 'Storage Temperature'
physical.weight_kg Review required
40 — Tower S3 ESS User Manual Table 2-2 'Weight (kg)'
43 — 7SUN distributor listing 'Battery module - DYNESS - HV9637S - S3 - 3.55 kWh - HV', Weight
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| 7SUN customs code | CN 85076000 |
| 7SUN distributor internal SKU / EAN | SKU F12B0, EAN 2010000041017 (20-prefix restricted-circulation code, distributor internal barcode) |
| 7SUN listed price | 568.03 EUR gross |
| Battery cell capacity (Ah) | 37 Ah |
| Battery cell power (Wh) | 118.4 Wh |
| Battery cell voltage (V/DC) | 3.2 V |
| Battery module discharge current (standard) [A] | 7.4 A |
| GVOLT distributor SKU | ME.Battery.Dyness.03 |
| GVOLT storage temperature | -10 C to 50 C (GVOLT listing) - differs from the manual's 5-45 C storage range |
| Number of battery module cells (pcs) | 30 |
| Number of battery module cells in series (pcs) | 30 |
| Pollution degree (PD) | II |
| identity.product_status | current |
| manufacturer_legal_entity_as_printed | Dyness Digital Energy Technology Co., LTD |