Frequently bought together
Sale · 7% Off
Take 7% off select WallMount 48V LiFePO4 batteries. The discount is applied automatically when the battery is in your cart. No code needed.
3 of 3 products
SKU: FEWPP-48143-G1
In stock · ships from Texas
SKU: FEWMT-48161-G1
In stock · ships from Texas
SKU: FEWAW-48161-G1
In stock · ships from Texas
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The EG4 parts most WallMount installs need alongside the battery.
Link two WallMount batteries together
Buildable box for a tidy, code-friendly install
The outdoor-rated version for All-Weather units
Add the EG4 battery to your cart. The 7% comes off automatically there and at checkout, with no code to enter. The price on this page and on the product page is the regular price before the discount.
No. Applying a coupon code switches the automatic 7% off for that cart, so you get one or the other, never both. If you have a code worth more than 7%, use the code; otherwise leave it off.
Yes. BigBattery is an authorized EG4 dealer, so every unit is new, ships from our Texas warehouse and carries the full EG4 manufacturer warranty.
Yes. The EG4 WallMount batteries run closed-loop with every EG4 off-grid and hybrid inverter we sell, so the inverter reads the battery state of charge directly. They also run closed-loop with BigBattery APEX inverters and ETHOS and NEXUS batteries if you mix brands.
Talk to a technician in Texas who installs these systems. Free battery sizing, no pressure.
Or call (818) 280-3091 · Mon–Fri 8am–5pm CT
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