Description
Internal self-aligning busbars for fast, error-free assembly.
Pylontech FH9637M is a 3.552 kWh high-voltage LFP modular battery brick operating at 96 V nominal, engineered to expand Pylontech Force-H2 and Force-H2-V2 residential storage columns from 7.1 kWh up to 14.2 kWh with cable-free slide-and-lock busbar mating.
Cable-Free Slide-and-Lock Interlocking
Internal self-aligning busbar terminals eliminate exposed high-voltage DC jumper cables and wiring errors during stacking.
3.552 kWh / 96 V Granular Sizing
Stacks 2 to 4 modules vertically (7.10 kWh to 14.21 kWh / 192 V to 384 V) to match hybrid inverter voltage windows.
Compact 35 kg Module Weight
Ergonomic 450 × 296 × 296 mm format allows safe handling in tight domestic basement stairwells and technical closets.
5,000+ Cycle Prismatic LFP Durability
Built with 37 Ah prismatic lithium iron phosphate cells for superior thermal stability and long calendar life.
More product details
Traditional high-voltage batteries require complex external DC wiring, conduit bending, and communication patch leads. The FH9637M passes all electrical pathways internally through heavy-duty mating terminals.
- Self-aligning guide pins ensure perfect mechanical seating and electrical contact upon vertical placement.
- Eliminates exposed high-voltage DC wiring on garage and utility room walls, maximizing residential safety.
- Reduces on-site battery stack assembly time to under 15 minutes for a complete 4-module column.
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High thermal stability with integrated sub-BMS cell balancing.
Built with automotive-grade 37 Ah prismatic LFP cells in a 30S series configuration, each module features integrated sub-BMS electronics that report cell temperatures and voltages continuously to the master FC0500M base. Cell-level thermal sensors and active balancing prevent localized degradation across thousands of daily cycles. Direct high-voltage operation (84–108 V) minimizes current stress and resistive heat losses during discharge. IP55 sealed enclosure protects power cells against humidity, dust, and coastal environments (-10 to +50 °C).
Holds 37 Ah at 96 V
37 Ah LFP cells sit at 3.2 V each. The brick is 96 V on the string.
Fits a 450 by 296 mm face
The brick is 450 by 296 by 296 mm. One FH9637M weighs 35 kg.
Pairs with both Force-H2 heads
FC0500M-40S and FC0500M-40S-V2 both take this brick. The brick stays the same under either head.
Technical data
The fundamental high-voltage building block for Pylontech Force-H2 residential storage columns.
3.552 kWh / 96 V high-voltage battery expansion brick with internal direct mating.
Serving as the core modular brick for Pylontech Force-H2 storage towers, the FH9637M adds 3.552 kWh of nominal LFP capacity and 96 V nominal bus voltage per unit. Its self-aligning internal connector blocks pass DC power and communication directly between stacked modules without external cables, cutting on-site installation labor in half.
- Modular Energy
- 3.552 kWh
- High-Voltage Bus
- 96.0 V
- Compact Footprint
- 35.0 kg
- External DC Conduits
- Zero
Identity
- Brand
- Pylontech
- Model
- FH9637M
- Type
- High-voltage stackable battery module, Force-H2 Series
- Cell technology
- Li-ion (LFP)
Capacity & Voltage
- Battery module capacity (kWh)
- 3.552
- Battery module voltage (VDC)
- 96
- Battery module capacity (Ah)
- 37
- Battery cell voltage (VDC)
- 3.2
- Battery cell capacity (Ah)
- 37
Mechanical & Environment
- Dimension (W x D x H mm)
- 450 x 296 x 296
- Weight (kg)
- 35
- Operation temperature (C)
- 0 ~ 50
- Storage temperature (C)
- -20 ~ 60
Performance
- Operation life (year)
- 15+
- Operation cycle life (cycle)
- 5,000
Project fit
Where this model fits.
Scenarios that show which projects the Pylontech FH9637M belongs in, what to verify before quoting, and when another model is the better pick.
Modular Capacity Expansion on an Existing Pylontech Force-H2 Tower
Homeowners who initially installed a 7.10 kWh (2-module) Force-H2 tower and now wish to increase storage capacity to 10.65 kWh (3 modules) or 14.21 kWh (4 modules).
Order 1 or 2 individual FH9637M bricks, place them directly onto the existing column, and re-anchor. The FC0500M master controller auto-recognizes the new capacity.
- Confirm this model against the adjacent rating in the same family
Documents
Pylontech FORCE-H2/FH9637M Datasheet Pylontech FORCE-H2/FC0500M-40S-V2/FH9637M User Manual Pylontech Force H Series Specification (Force H1 / H2 / H3) Pylontech Force-H2-V2 operation manual 5PMPA08-00134 (EN, forwarded copy) Pylontech Force-H2 operation manual V2.2 (EN, forwarded copy)Product questions
What is the maximum number of FH9637M modules that can be stacked in one Force-H2 tower?
Up to 4 modules per tower (14.21 kWh / 384 V) under European specifications. Under European RED-certified specifications, the Force-H2 tower supports stacking between 2 and 4 FH9637M modules (7.10 kWh to 14.21 kWh) beneath the FC0500M-40S master BMS controller.
What are the physical dimensions and weight of each module?
35.0 kg per module; 450 × 296 × 296 mm. Each brick weighs 35.0 kg (approx. 77 lbs) and measures 450 mm wide, 296 mm deep, and 296 mm high, allowing single-person or easy two-person handling.
System components
Required components
Pylontech FC0500M-40S-V2
Item number: DLK-PYLONTECH-FC0500M40SV2
Force-H2 modules stack behind this controller/BMS master, the string does not run without it.
Chint DTSU666 smart meter
Item number: DLK-CHINT-DTSU666
grid-side meter typically required by the paired hybrid inverter for export limiting.
Recommended components
MBS KBU58 400/5A CT
Item number: DLK-MBS-KBU58-400-5A
sized CT for the DTSU666 meter; choose the KBU58 amperage that matches the site's actual service current, not the battery current.
Optional components
Pylontech FH9637M module
Item number: DLK-PYLONTECH-FH9637M
add modules (2-4 per controller, up to 6 parallel groups) to grow capacity within the same string architecture.
Approved pairings
GoodWe GW10K-BTItem number DLK-GOODWE-GW10KBTGoodWe's list, 2026-04-14, carries a BT column and puts Force-H2 in it, at ARM 14 or higher. This is the one pairing where GoodWe is the maker who lists it.
GoodWe GW5K-BTItem number DLK-GOODWE-GW5KBTGoodWe's list, 2026-04-14, carries a BT column and puts Force-H2 in it, at ARM 14 or higher. This is the one pairing where GoodWe is the maker who lists it.
GoodWe GW8K-BTItem number DLK-GOODWE-GW8KBTGoodWe's list, 2026-04-14, carries a BT column and puts Force-H2 in it, at ARM 14 or higher. This is the one pairing where GoodWe is the maker who lists it.
GoodWe GW10K-ETItem number DLK-GOODWE-GW10KETPylontech Ver. 2.43 lists GoodWe ET 5-10 with a Force-H2 stack of 3 to 5 modules. Our Force-H2 7.1 kWh is 2 modules and is below that minimum.
GoodWe GW5K-ETItem number DLK-GOODWE-GW5KETPylontech Ver. 2.43 lists GoodWe ET 5-10 with a Force-H2 stack of 3 to 5 modules. Our Force-H2 7.1 kWh is 2 modules and is below that minimum.
GoodWe GW6.5K-ETItem number DLK-GOODWE-GW65KETPylontech Ver. 2.43 lists GoodWe ET 5-10 with a Force-H2 stack of 3 to 5 modules. Our Force-H2 7.1 kWh is 2 modules and is below that minimum.
GoodWe GW8K-ETItem number DLK-GOODWE-GW8KETPylontech Ver. 2.43 lists GoodWe ET 5-10 with a Force-H2 stack of 3 to 5 modules. Our Force-H2 7.1 kWh is 2 modules and is below that minimum.