• Description

BatteryEvo Walrus G4 Extension Pack


The BatteryEVO WALRUS G4 Extension Pack expands your energy storage system with an extra 23kWh (260Ah) of capacity. Ideal for solar, off-grid, or emergency use, it integrates seamlessly with the WALRUS G4/G4+ unit. Designed for reliable performance in all conditions, it enhances energy security and flexibility.
➤ Advanced BMS optimized for wide temperature range
➤ Durable Lithium cells with caster wheels
➤ Real-time system visibility via LED display
➤ Parallel expansion up to 8 packs

System Voltage 96V
Nominal Voltage 96 V
Chemistry NMC
kWh Capacity 23 kWh
Ah Capacity 260 Ah
Charging Voltage 97.3 V-99.6 V
Max Charge Voltage 99.6 V
Operating Voltage Range 72 V-99.6 V
Suggested Low Voltage Cutoff 72 V-80 V
Cell Configuration 24S2P
Max Continuous Discharge Current 150A
Max Continuous Power 13320W
Max Discharge Peak Current 300A (5 seconds)
Max Charge Current 150A
Charge Temperature Range -20°C (-4°F) / 55°C (131°F)
Discharge Temperature Range -20°C (-4°F) / 55°C (131°F)
Optimal Discharge Temperature Range 15°C (59°F) / 35°C (95°F)
Storage Temperature Range -5°C (23°F) / 35°C (95°F) (Max 6 Months)
Weight 306 lb
Depth 15.4 in
Width 24.41 in
Height 22.13 in

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.
REAL REVIEWS, REAL RESULTS

Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

Related Products