Knowledge Base › External MPPT Controllers
Genasun GVB-8-Li-25.0V
Official manufacturer GLOBAL verified Sept. 25, 2026
Page 1 of GVB-8 Data Sheet rev 01 (2021) (https://sunforgellc.com/wp-content/uploads/2022/04/GVB-8_Data-Sheet-rev-01-2021_AP.pdf)
Identity
| category | external_mppt_controllers |
| manufacturer | Genasun |
| model | GVB-8-Li-25.0V |
| product_status | active |
| region | GLOBAL |
| variant | Li-25.0V |
Electrical
| battery_cell_configuration | 6S Li-ion (LiPo / LiCoO2) |
| battery_voltage_nominal_v | 12/24V Auto |
| charge_current_a |
8
GVB-8 Data Sheet rev 01 (2021)
|
| charge_profile |
CC/CV
GVB-8 Data Sheet rev 01 (2021)
|
| charge_voltage_cv_v | 25.0 |
| dimensions_in | 5.4 x 2.4 x 1.3 |
| dimensions_printed |
5.4" x 2.4" x 1.3" (13.7 cm x 6.2 cm x 3.3 cm)
GVB-8 Data Sheet rev 01 (2021)
|
| efficiency_pct | 95-97 typical (99 peak) |
| input_voltage_range_v | 0-60 |
| max_charge_current_a | 8.0 |
| max_dc_voltage_v | 60.0 |
| max_efficiency_pct | 98.0 |
| max_efficiency_percent |
98.0
disputed
GVB-8 Data Sheet rev 01 (2021)
|
| max_pv_current_a |
8
GVB-8 Data Sheet rev 01 (2021)
|
| max_pv_open_circuit_voltage_v | 60.0 |
| max_pv_power_w |
210
GVB-8 Data Sheet rev 01 (2021)
|
| max_pv_voltage_v |
60
GVB-8 Data Sheet rev 01 (2021)
|
| mppt_voltage_max_v |
20
GVB-8 Data Sheet rev 01 (2021)
|
| official_product_url |
https://sunforgellc.com/product/gvb-8/
Genasun GVB-8 (BOOST) product page — inventory record source_url
|
| terminal_size |
4-position terminal block for 10-30 AWG wire
GVB-8 Data Sheet rev 01 (2021)
|
| warranty_years | 5 |
| weight_g | 185 |
| weight_printed |
6.5 oz., 185 g
GVB-8 Data Sheet rev 01 (2021)
|
Physical / mechanical
| dimensions_mm |
137x62x33
GVB-8 Data Sheet rev 01 (2021)
|
| weight_kg |
0.185
GVB-8 Data Sheet rev 01 (2021)
|
Environment
| ip_rating |
IP40
GVB-8 Data Sheet rev 01 (2021)
|
| operating_temperature_max_c |
85
GVB-8 Data Sheet rev 01 (2021)
|
| operating_temperature_min_c |
-40
GVB-8 Data Sheet rev 01 (2021)
|
| operating_temperature_range_c | -40 to 85 |
Interfaces & connectors
| communication | RS485 (Modbus) |
Protection
| protection_degree_ip | IP40 |
Certifications
| certifications | UL/CSA (safety and HazLoc Class I Div 2), CE, FCC, RoHS |
Documents
datasheet
GVB-8 Data Sheet rev 01 (2021)
product_page
Genasun GVB-8 (BOOST) product page
user_manual
GVB-8 Manual rev 4.1
Recorded conflicts
electrical.max_efficiency_percent Review required
98.0 — stored value
99 — 99% peak efficiency
Detected during import deep-enrich-2026-09-batch16
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | Genasun is a brand of SunForge LLC; genasun.com 302-redirects to sunforgellc.com, which hosts the first-party product pages and PDFs. One worldwide specification (UL/CSA HazLoc C1D2, CE, FCC, RoHS). |