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If you're looking at a sample unit, we're talking roughly $800-$1,200 depending on the capacity you pick—the Hi5 for 5kwh runs a bit under that, and the Hi14 for 14.33kwh pushes the upper end—but once you move into mid-range orders of 50 units or so, that price per kilowatt-hour drops by about 15-20%, and for bulk buys of 500 or more, we can get it down to where it's genuinely competitive with lead-acid on a per-cycle basis, which is really what matters over the long haul.
The Hi10 is actually most popular model we sell, probably because of that it hits that sweet spot at 10kwh with 200ah nominal capacity and the 16S2P cell configuration, and it's only about 80kg give or take—heavy enough to feel solid but not so heavy you need a forklift for a single unit, and the wall-mount bracket we include makes insallation pretty straightforward for someone who's done a few solar setups before.
What you're getting with the Hi series is basically a 51.2 volt system that can handle up to 150 amps on the charge side and 150 on the discharge, though for daily cycling most buyers go with the standard 42.4A charge and 80A discharge to keep the cycle life above that 6000 mark at 80% depth of discharge—push it harder and you'll still get 4000 cycles or so, but the 20-year design life really depends on staying within those standard parameters.
One thing that catches people off guard is the parallel capability—you can link up to four units for a total of roughly 57kwh, but the communication between them uses RS232 and RS485, and if you're not familiar with setting those protocols, you'll want someone who knows Modbus to handle the initial configuration; teh BMS does the heavy lifting after that, but the first setup can be a bit fiddly if you've never done it before.
Anyway, when you order form us, we'll send you the COA with the HPLC data from the cell manufacurer, and we usually have the Hi5 and Hi10 in stock, but the Hi14 might need 20 days or so lead time because those 280ah cells aren't always on the shelf—and honestly, if your system only needs 5kwh, the Hi5 is a better fit than running a larger pack at partial capacty, since LFP doesn't mind being cycled shallow but you're paying for cells you don't use.
We don't have a strict MOQ for these packs — you can order as low as a single unit for testing or small projects. For bulk orders, just reach out and we'll work out pricing.
Lead time is usually around 4-6 weeks after design confirmation, depending on the customization level and quantity. We'll give you a precise timeline once we finalize the specs.
Yes, we can provide UN38.3, CE, and RoHS certifications upon request, plus test reports for cycle life and safety. Just let us know which docs you need.
Absolutely — we build custom capacities within that range by adjusting the cell configuration. For example, an 8kWh pack would use a 16S1P setup with around 156Ah cells. Just tell us your target capacity and we'll tailor it.
Keep them in a cool, dry place between -20°C and 35°C, ideally at about 50% state of charge. Avoid direct sunlight, and check the voltage every 3-6 months to prevent deep discharge.
