Knowledge Base › Battery Control Units
Dyness Tower Pro Base + BDU (BASE-BDU-PRO)
Verified distributor global (EN documentation) verified Sept. 2, 2026
Identity
| category | battery_control_units |
| ean | UNKNOWN |
| generation | UNKNOWN |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Dyness (Dyness Digital Energy Technology Co., LTD) |
| market_version | EN |
| model | Tower Pro Base + BDU (BASE-BDU-PRO) |
| mpn | BASE-BDU-PRO |
| product_family | Dyness Tower Pro (TP7-TP23) system components |
| product_status | UNKNOWN |
| product_status_detail | current |
| product_status_evidence | Stocked by EU distributors (Etronixcenter 17 units, Solartraders) as of 2026-09-02; the Tower Pro series it serves has a live official product page. |
| region | global (EN documentation) |
| release_year | UNKNOWN |
| sku | DY-002 (Etronixcenter distributor reference) |
| subcategory | battery control unit / BDU for a stacked high-voltage battery tower (stack BMS + DC breaker + external DC terminals + inverter communication port) |
| variant_note | CONTROL UNIT + BASE, sold as one item - no stored energy. Pairs with 2-6 HV9640 modules to form a Tower Pro TP7/TP11/TP15/TP19/TP23. Etronixcenter: 'this BDU unit can only be ordered together with Tower PRO batteries'. |
Electrical
| cell_chemistry | UNKNOWN |
| cell_type | UNKNOWN |
| continuous_charge_current_a | 20 |
| continuous_discharge_current_a | 20 |
| continuous_power_kw | UNKNOWN |
| cycle_life | UNKNOWN |
| depth_of_discharge_pct | UNKNOWN |
| max_charge_current_a | 40 |
| max_charge_power_kw | UNKNOWN |
| max_discharge_current_a | 40 |
| max_discharge_power_kw | UNKNOWN |
| max_parallel_units | 12 |
| max_series_units | 6 |
| modules_per_tower_max | 6 |
| modules_per_tower_min | 2 |
| nominal_capacity_ah | UNKNOWN |
| nominal_energy_kwh | NOT APPLICABLE - control unit, stores no energy |
| nominal_voltage_v | UNKNOWN |
| operating_voltage_max_v | 657 |
| operating_voltage_min_v | 168 |
| parallel_supported | True |
| peak_charge_current_a | UNKNOWN |
| peak_discharge_current_a | UNKNOWN |
| peak_power_kw | UNKNOWN |
| round_trip_efficiency_pct | UNKNOWN |
| series_supported | True |
| system_energy_max_kwh | 23.04 |
| system_energy_min_kwh | 7.68 |
| usable_energy_kwh | NOT APPLICABLE - control unit, stores no energy |
Physical / mechanical
| color | UNKNOWN |
| cooling_method | UNKNOWN |
| depth_mm | UNKNOWN |
| enclosure_material | UNKNOWN |
| height_mm | UNKNOWN |
| installation_notes | Etronixcenter quotes 50 kg for the combined Base + BDU item; Solartraders quotes 29 kg for the BDU alone - see data_conflicts. Solartraders' quoted 587 x 310 x 1672 mm are the TP23 SYSTEM dimensions, not the BDU's, and were NOT used. |
| ip_rating | IP55 |
| mounting_type | BDU mounted on top of the stacked HV9640 modules; base at the bottom of the stack |
| rack_units | UNKNOWN |
| shipping_weight_kg | UNKNOWN |
| weight_kg | 50 |
| width_mm | UNKNOWN |
Installation
| indoor_outdoor | installed at the top of the tower stack, inside the tower enclosure |
| notes | Mandatory: exactly one control unit per tower, plus a base at the bottom of the stack. It stores no energy - all energy figures belong to the battery modules and to the assembled tower system. |
| parallel_hub_required | False |
Environment
| indoor_outdoor | inside the tower enclosure (IP55); Etronixcenter: 'Suitable for both indoor and outdoor installations' |
| max_altitude_m | UNKNOWN |
| operating_humidity | UNKNOWN |
| operating_temperature_charge_max_c | UNKNOWN |
| operating_temperature_charge_min_c | UNKNOWN |
| operating_temperature_discharge_max_c | UNKNOWN |
| operating_temperature_discharge_min_c | UNKNOWN |
| operating_temperature_max_c | UNKNOWN |
| operating_temperature_min_c | UNKNOWN |
| pollution_degree | UNKNOWN |
| storage_humidity | UNKNOWN |
| storage_temperature_max_c | UNKNOWN |
| storage_temperature_min_c | UNKNOWN |
Interfaces & connectors
| bluetooth | UNKNOWN |
| can | True |
| communication_ports | 'Parallel 1#' and 'Parallel 2#' RJ45 for multi-cluster; 'Inverter CAN/RS485' RJ45; external positive and negative DC sockets; WAKE button; DC breaker; WiFi antenna |
| dry_contact | UNKNOWN |
| ethernet | UNKNOWN |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| protocol_notes | Inverter CAN/RS485 RJ45 pinout (manual Table 2-8): PIN1 Orange/White 485_B, PIN2 Orange 485_A, PIN3 Green/White Reserved, PIN4 Blue CANH, PIN5 Blue/White CANL, PIN6-8 NC. |
| rs232 | Distributor listings quote 'CAN / RS485 / RS232' |
| rs485 | True |
| usb | UNKNOWN |
| wifi | Yes - 'WiFi antenna' and 'WiFi status light' on the BDU (manual Table 2-5) |
Protection
| fire_suppression | Etronixcenter: 'Intelligent fire suppression system'; Tower Pro datasheet: 'Aerosol fire extinguishing Equipped' |
| notes | WAKE button: 'Press and hold this button for 5s to start the battery system'. |
| overcurrent | Integrated DC breaker: 'Master switch; short circuit protection' |
Certifications
| emc_certifications | CE-EMC |
| safety_certifications | VDE2510-50 / IEC62619 / IEC63056 / IEC62477 / IEC62040 |
| standards | UN38.3/VDE2510-50/IEC62619/IEC63056/IEC62477/IEC62040/CE-EMC/ROHS |
| transport_certifications | UN38.3 |
Warranty & service
| conditions | UNKNOWN |
| summary | Etronixcenter: '10 years on the BMS' with a '15-year manufacturer warranty on the batteries'. Solartraders: '10 years product warranty (with optional 15-year extended warranty at system level)'. |
| years | 10 |
Documents
compatibility_list
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Dyness Tower Pro Series Compatibility List 2025-10-16 - official — located, not retrieved
rev 20251016
datasheet
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Dyness Tower Pro Datasheet EN 2025-10-30 (DynessTowerProDatasheetEN20251030.pdf) - official, linked from the Tower Pro product page — located, not retrieved
rev 2025-10-30
datasheet
Dyness Tower Pro datasheet-EN V1.0-20240520 - distributor mirror on zuidwestsolar.nl
rev V1.0-20240520
datasheet
Dyness Tower Pro datasheet-EN V1.0-20240520 - second distributor mirror on rayshine-solar.com (corroborating copy)
rev V1.0-20240520
distributor_listing
7SUN distributor listing: Battery module - DYNESS - HV9640 - PRO - 3.84 kWh - HV
rev UNKNOWN
distributor_listing
Etronixcenter distributor listing: Dyness Tower PRO Base + BDU (ref. DY-002)
rev UNKNOWN
distributor_listing
Solartraders distributor listing: Dyness Tower Pro BDU Battery Management System
rev UNKNOWN
Recorded conflicts
physical.weight_kg Review required
50 — Etronixcenter listing 'Dyness Tower PRO Base + BDU', Weight
29 — Solartraders listing 'Dyness Tower Pro BDU Battery Management System', Weight
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Country of origin | China |
| Etronixcenter EAN in listing URL/title | 6975334551501 |
| Etronixcenter feature | 'Wireless connection capability with stackable design'; 'LED light indicator on housing'; '1C charge and discharge performance rating' |
| Etronixcenter listed price | 412.40 EUR excl. VAT |
| Solartraders capacity statement | Manages 'up to 6 HV9640 battery modules' (3.84 kWh each) |
| identity.product_status | current |
| manufacturer_legal_entity_as_printed | Dyness Digital Energy Technology Co., LTD |