Design your ideal solar system in a few simple steps.
Listing your appliances and actual usage is the key to an accurate solar system design and long-term savings.
Your appliance list and electricity bill can produce different system estimates. We show both, plus a PRIME RJ SOLAR PH recommendation, so you can choose your preferred design basis.
Enter the kWh shown on the bill when available; circumstances can make months differ.
List the appliances you use. The system estimates demand automatically.
| Appliance | Qty | Watts | Hours/day |
|---|
A compact picture of what your appliance list indicates. The system interprets the load for you.
See the difference between your actual bill, your appliance estimate, and PRIME RJ SOLAR PH recommendation.
Use nameplate watts when available. The assumptions will be printed in the quotation.
Choose the operating mode, battery bus, and panel preference. If this is the only tool selected, you can still go directly to packages.
These inputs shape the compatible product shortlist.
Warnings stay visible and follow the quote.
Panel to combiner to protection to inverter, battery leg and grid leg where relevant. Updates live with your selections.
Ready packs are simplest. Box-only mode opens the modular battery path for cells, BMS, busbars, fuses, and metal enclosure planning.
Tell us what you want to buy, not what you already know technically.
We will match a battery pack by nominal voltage, chemistry, usable capacity, and inverter compatibility.
Shown when box-only is selected.
How many cells for any target pack voltage and capacity — using whatever cell you're stocking.
Cell count at the voltage/capacity above, for typical target banks.
| Target pack | Config | Cells needed | Actual capacity |
|---|
Tap a question to expand the answer.
Yes, absolutely. Operating without a BMS exposes the pack to overcharging, over-discharging, and short circuits. Packs without BMS protection typically fail within days or weeks.
Properly built LiFePO4 packs last 3,000 to 5,000 cycles (roughly 8 to 12 years of typical use), depending on cell quality, BMS protection, temperature management, and avoiding deep discharges below 20% capacity.
Yes, but only with careful matching. New cells must have identical capacity and voltage specifications to existing cells, and the entire pack requires rebalancing before use.
Not recommended. Even small differences in internal resistance or capacity cause charging imbalances. It only works with under 5% capacity variance, under 10% resistance variance, identical chemistry, and full top-balancing before first use.
Never. LiFePO4 operates at a different voltage range than NCM/NCA chemistries. Mixing chemistries causes severe imbalances and potential thermal runaway. Keep all cells to the same chemistry type.
Cell testing and matching. Finding cells with consistent capacity and similar internal resistance requires patience and proper testing equipment — skipping this leads to imbalanced packs that underperform or fail early.
Customer selects the pricing lane. The quotation updates with the chosen product tier and keeps every product link clickable.
The system pre-selects sensible products for the Entry price lane. These are suggestions only — the customer may freely change any product or brand.
Changing a suggested product does not remove the customer’s choice. The system keeps the selected brand/product and flags any specification or compatibility check that needs review before final quotation.
No silent prices, no mystery products.
Choose one price lane, inspect linked products, or mark an item for verification before you proceed.
Customer information gathered at the beginning carries through to this quotation.