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The Oscal BP3600 Extra Battery is designed to seamlessly expand the capacity of your Oscal PowerMax 3600/6000 power stations. With a 3600Wh capacity, this additional battery extends runtime, ensuring uninterrupted power for longer periods. Whether for home backup, outdoor adventures, or off-grid power solutions, the BP3600 provides long-lasting performance with its durable LiFePO4 battery and advanced Battery Management System (BMS).
Built for reliability, the BP3600 supports simultaneous recharge and discharge, allowing you to use and charge it at the same time. With smart app control via WiFi & Bluetooth, monitoring and managing power usage is more convenient than ever.
The Oscal BP3600 Extra Battery is the perfect solution for extending the runtime of your PowerMax 3600/6000 power stations. With high durability, smart connectivity, and flexible charging capabilities, it ensures continuous and reliable power whenever you need it.
Seamless Power Expansion
High-Capacity LiFePO4 Battery
Simultaneous Recharge & Discharge
Smart App Control
Built for All Environments


Everything you need is included with your product.
| Category | Specification |
| Battery Capacity | 3600Wh |
| Battery Type | LiFePO4 (LFP) |
| Battery Life Cycles | 3500+ cycles to 80% capacity |
| Scalability | Compatible with PowerMax 3600 & 6000 |
| Battery Management System (BMS) | Yes |
| Simultaneous Recharge & Discharge | Yes |
| App Control | Yes (WiFi & Bluetooth) |
| Charging Temperature | 32°F to 122°F |
| Discharging Temperature | -4°F to 131°F |
| Dimensions | 23.2" x 13.8" x 17.4" |
| Weight | 83.1 lbs (37.7 kg) |
Can I use this with both the PowerMax 3600 and 6000?
Yes, it’s fully compatible with both models for seamless expansion.
How many extra batteries can I add?
Check with Oscal’s specifications, but most systems support up to 2–4 extra batteries depending on the model.
Does this come with a charging cable?
This battery charges through your connected PowerMax station—no extra charging cable required.
Can it be charged with solar directly?
No, it charges via the main power station, which handles solar input and charging distribution.
Is it safe to use indoors?
Yes! With LiFePO4 chemistry and built-in BMS, it’s extremely safe for indoor and mobile use.
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
US$40
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