5,000 - 10,000 Wh Batteries

5,000Wh to 10,000Wh Solar Batteries: The Mid-Size Storage Tier

A 5,000Wh to 10,000Wh battery is the point where storage stops being a camping accessory and starts carrying a household through the night. One 5.12kWh module runs a refrigerator, freezer, lights, internet and a furnace fan from dusk to dawn; a 9.6kWh bank adds a well pump and a window air conditioner. This tier is also where most off-grid systems begin, because every module here can be paralleled into a larger bank later.

There are 19 products in the collection from Pytes, Sungold Power, Rich Solar, Bluetti, Fortress Power, HomeGrid and BigBattery. Single 5.12kWh units start at $1,130, ruggedized and heated versions run $1,550 to $1,800, and the 9.6kWh HomeGrid Stack'd systems are priced from $5,999.

How to choose a battery in the 5 to 10kWh range

• Voltage and purpose. Nearly everything here is 48V (51.2V nominal) for home and cabin inverters. The exception is the BigBattery 72V RAPTOR 2 7.68kWh, a lead-acid replacement for golf carts and ground support equipment, not a solar house bank. Station owners should look at the Bluetti B500K 5,120Wh Expansion Battery, which plugs into Apex 300, AC300, AC500, AC200L and AC200MAX units.
• Cycle life at your depth of discharge. Ratings are not measured the same way. The Fortress Power eFlex Max 5.4kWh lists 8,000 cycles at 80% DoD; the ALPHA 5 PRO lists 7,000+ cycles; the Pytes V5 6,000+. All exceed fifteen years of daily cycling.
• Heating for cold climates. LiFePO4 cannot be charged below freezing. The Sungold Power SGH48100T Self-Heating is the lowest-cost heated rack unit here at $1,150, and the Rich Solar ALPHA 5 PRO adds a 150W heater plus Bluetooth and WiFi monitoring.
• Expansion path. The ALPHA 5 PRO parallels up to 30 units. The HomeGrid Stack'd Series starts at 9.6kWh and grows in 4.8kWh steps to 38.4kWh in one stack, which suits buyers who know they will add capacity in a year or two.
• Enclosure rating. A dry utility room takes any rack module. A shed or vehicle wants the IP65 eFlex Max or the HUSKY 2 INV with its NEMA 4X, vibration-resistant case.

Popular picks in this collection

Sizing tips

• Start with the Solar Kit Calculator. Enter appliances and your ZIP code and it returns the kWh you need for your sun hours, so you know whether one 5.12kWh module or two is the honest answer.
• Plan on two modules if you own an 8,000W or larger inverter. A single 100Ah battery cannot feed that inverter at full output without tripping its discharge limit.
• Note the pre-order flag on the Rich Solar ALPHA 5 (non-PRO). It is listed at $1,549 with up to 60 days for delivery; the PRO version ships now.
• Match communication protocols. The HUSKY 2 INV and B4810 use closed-loop inverter links; for any module, confirm your inverter is on the manufacturer compatibility list before ordering.
• Budget for hardware. Rack modules need a cabinet or shelf and correctly sized bus bars; wall units hang on studs without a rack.

Frequently asked questions

Is 5kWh enough for a home during an outage? For essentials, yes: fridge, freezer, lights, phone charging and a gas furnace blower fit inside 5kWh overnight. Electric water heating, cooking or air conditioning push you to 10kWh and beyond.

Rack battery or wall battery? Rack modules such as the Pytes V5 or SGH48100T are cheaper per kWh and stack in a standard cabinet. Wall units like the eFlex Max cost more but carry weather ratings and mount without a rack.

Can I mix a 5.12kWh module with a 9.6kWh HomeGrid stack? No. Keep one brand and model per bank so the battery management systems share current evenly and report the same state of charge to the inverter.

Every battery ships free to the mainland US from brand partner warehouses, usually within a few business days, with 30-day returns. Call us with your inverter model and we will confirm which of these packs it talks to.