Description
The Pytes V5 is a 51.2V nominal LiFePO4 battery providing 5.12kWh of energy storage with 100Ah capacity. The battery achieves UL 9540 system certification when paired with Sol-Ark 15K and 12K inverters, simplifying permitted installations. It occupies 4U of rack space and supports parallel connection of up to 16 units without a hub, or 96 units with the Pytes Hub for maximum capacity of 491.5kWh.
The integrated heating system activates automatically when battery temperature falls below 32°F, drawing up to 180W from the charging source to warm the cells at approximately 18°F per hour. This enables charging operations down to 14°F ambient temperature. Without heating activation, the battery charges between 32°F and 113°F and discharges from -4°F to 122°F. The heating function cannot be disabled and operates independently of the BMS to ensure cold-weather performance.
Communication interfaces include CAN bus, RS485, and a dedicated WiFi port for remote monitoring via the WiFi Stick. The battery uses closed-loop communication with compatible inverters to relay SOC, voltage, current, and alarm status directly to the inverter display. When configured as master battery in parallel systems, it consolidates data from all connected batteries for unified reporting. Compatible inverters include Sol-Ark, Victron, Growatt, Phocos, MUST, Deye, Goodwe, SMA Sunny Island, Studer, and most other 48V nominal inverters supporting lithium battery protocols.
The battery delivers 100A continuous charge and discharge current with surge capability up to 150A for 15 seconds and 180A peak. Round-trip efficiency measures 95% under standard conditions. The cells are tier 1 automotive grade LFP cells rated for over 6,000 cycles at 90% depth of discharge, backed by a 10-year warranty. Operating voltage range spans 44.8V to 57.6V, providing stable power across the entire discharge curve.
Each unit includes flexible busbars rated for 300A parallel connections, CAN/RS485 cascade cables, and 10AWG grounding wire. The V5 uses Phoenix M6 bolt terminals. The sophisticated BMS provides cell balancing, temperature monitoring across eight sensors, and comprehensive protection against overcharge, overdischarge, overcurrent, and short circuit conditions. The BMS supports remote firmware updates when connected through the WiFi monitoring interface.
The unit is certified to UL 1973, UL 9540A, and IEC62619 standards. LED indicators on the front panel display operational status, SOC level, and fault conditions. The battery requires proper spacing between units in rack configurations to ensure adequate cooling and accommodate the busbar connections between batteries.
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