Pytes E-Box & V16 LFP Batteries for Sol-Ark

E-BOX-48100R is a modular 5.12kWh indoor rack battery with 51.2V nominal voltage. It is useful when capacity needs to grow in smaller increments or fit a server-rack layout. V16 is a 16kWh 51.2V battery with an IP66 enclosure, integrated heating, and built-in fire suppression. Choose V16 when you want fewer, higher-capacity units and an outdoor-ready enclosure; choose E-BOX for rack density and modular expansion.

Pytes and Sol-Ark publish a closed-loop CAN integration path for E-BOX-48100R with Sol-Ark 12K and 15K inverters. Pytes also documents V16 closed-loop operation with supported Sol-Ark systems. Confirm the exact inverter model, battery firmware, communication cable, current limits, and the listed equipment combination before permitting or commissioning.

For E-BOX-48100R, link the batteries from Link Port 1 to Link Port 0, leave Link Port 0 empty on the host battery, set the battery addresses as shown in the Pytes manual, and connect the host battery CAN port to the Sol-Ark Battery CAN Bus port. In Sol-Ark settings, enable BMS Lithium Batt and select protocol 00. Use the approved CAN cable pinout; an RJ45 plug does not mean a standard Ethernet cable is correct.

Size the bank for both energy and continuous power. Each E-BOX is 5.12kWh and lists 50A continuous discharge, about 2.56kW at nominal voltage. Six modules provide about 30.72kWh and 15.36kW of combined listed continuous discharge capability, which is a practical reference point when the Sol-Ark 15K may serve high loads. Smaller banks can work when inverter battery current is limited and backed-up loads are lower. Sol-Ark's guide allows up to 16 E-BOX batteries in one communication group; final quantity depends on load profile, reserve, runtime, conductors, protection, and local code.

Do not mix E-BOX and V16 in one DC battery bank unless Pytes and the inverter manufacturer provide written approval for that exact configuration. The two families use different cell capacity, current ratings, enclosures, and battery-management behavior. Build parallel banks from matching models and firmware, and follow the published limits for the selected family.

R-BOX and R-BOX-NEMA3 hold 2 E-BOX-48100R batteries for 10.24kWh nominal capacity. Do not place additional batteries in a two-module enclosure. For a larger indoor bank, Forest RB Plus holds 6 modules. Pytes also publishes an R-BOX-OC enclosure for 4 modules and 20.48kWh; confirm availability and the correct environmental rating before selecting it.

Forest RB Plus holds up to 6 E-BOX-48100R batteries, providing 30.72kWh nominal capacity. It is an IP20 indoor floor-mounted cabinet with an integrated busbar. The cabinet rating does not replace the need to size conductors, overcurrent protection, disconnects, and inverter battery-current limits for the completed bank.

Yes, when expansion follows the same battery family, model, firmware requirements, state-of-charge procedure, and approved parallel architecture. Pytes states that E-BOX can scale to 16 batteries in one stack and up to 6 stacks with a Pytes Hub. V16 can scale to 16 units without a hub. Before adding batteries, verify busbars, breakers, conductors, communication topology, and the inverter's current limits.

Certification applies to an exact inverter-and-battery system, not to every product carrying the Pytes name. E-BOX-48100R product documentation identifies UL 9540 system configurations with Sol-Ark 12K and 15K, along with battery-level UL 1973 and UL 9540A documentation. V16 lists UL 9540, UL 9540A, and UL 1973 compliance. Verify the exact model numbers against the current certificate and California Energy Commission list before permitting.

E-BOX-48100R and V16 product documentation states a 10-year manufacturer warranty, subject to the current warranty terms, installation requirements, and registration. Batteries and cabinets ship by freight. R-BOX-IP64 and Forest RB currently show sold out, and no public restock date is posted; contact Self2Solar for an ETA, an indoor R-bracket alternative, or a different Pytes enclosure before ordering. Freight cost and delivery timing depend on destination and warehouse availability.