OSCAL BP3600 Expansion Battery with 3600Wh LiFePO4 Battery, 3500+ Cycle Life, Smart BMS, WiFi & Bluetooth App Control for PowerMax 3600

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Original price was: $3,599.99.Current price is: $2,399.99.

1. Get $30 OFF For First Order,Ending Soon 
2. Get Extra $30 OFF,  Use Code: TM30  over $600 
3. Get Extra $120 OFF,Use Code: TM120 over $1200 
4. Get a 20% OFF code after ordered 

Why You’ll Love It?

【3600Wh LiFePO4 Expansion Battery】
The OSCAL BP3600 adds an extra 3600Wh of reliable energy storage to your compatible PowerMax system. Built with premium LiFePO4 battery cells, it delivers over 3,500 charge cycles while maintaining up to 80% of its original capacity, making it ideal for long-term home backup and off-grid power.

【Seamless PowerMax 3600 Expansion】
Designed specifically for the OSCAL PowerMax 3600 series, the BP3600 seamlessly expands your available battery capacity for extended runtime. It is perfect for powering high-demand appliances longer during blackouts, RV trips, camping, and emergency situations.

【Advanced BMS for Reliable Protection】
Equipped with an intelligent Battery Management System (BMS), the BP3600 provides comprehensive protection against overcharging, over-discharging, overheating, overcurrent, and short circuits. This ensures safe, stable, and efficient battery performance throughout its lifespan.

【Charge While Powering Devices】
The BP3600 supports simultaneous charging and discharging, allowing the battery to recharge while continuing to supply power through the connected PowerMax unit. This feature provides uninterrupted energy for critical devices when continuous operation is essential.

【Smart Monitoring & Durable Design】
Monitor battery status conveniently through WiFi and Bluetooth app connectivity when paired with a compatible PowerMax system. Built with multiple international safety certifications and a rugged design, the OSCAL BP3600 is engineered for dependable performance in both home backup and outdoor applications.

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Two Years Warranty

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RuggedZone Buying Verdict

Score Breakdown
  • Expansion Capacity & Runtime - 94%
    94%
  • Battery Chemistry & Cycle Life - 91%
    91%
  • System Integration & Smart BMS - 91%
    91%
  • Charging & Auxiliary Outputs - 89%
    89%
  • Long-Term Backup Flexibility - 92%
    92%
91%

Who Should Buy It?

Why it stands out: OSCAL BP3600 Expansion Battery extends compatible power systems with 3,600Wh of additional stored energy.

Best for: existing system owners who want longer outage, RV or off-grid runtime without replacing the main power unit.

Not ideal for: users who need a fully independent AC power station rather than an expansion battery.

Quick buying question: Is the OSCAL BP3600 Expansion Battery right for you? How much additional runtime do your essential devices need? Compare power station accessories.

Evaluated by RuggedZone’s product experts using brand-provided information, product-feature analysis and publicly available market-use feedback.

Pros

  • OSCAL BP3600 Expansion Battery adds 3,600Wh of expansion capacity for longer backup sessions
  • For day-to-day field use, OSCAL BP3600 Expansion Battery adds this advantage: LiFePO4 chemistry and smart BMS management support regular long-term use
  • One of OSCAL BP3600 Expansion Battery’s useful strengths is clear here: Expansion architecture lets users scale stored energy around changing needs
  • In active work settings, OSCAL BP3600 Expansion Battery benefits from this feature: Auxiliary DC and USB outputs add flexibility during backup use
  • This is another reason OSCAL BP3600 Expansion Battery stands out: Clear status information helps monitor the added battery reserve

Cons

  • Worth knowing before first use of OSCAL BP3600 Expansion Battery: Stacking or placement is neatest on a level surface
  • A little preparation helps with OSCAL BP3600 Expansion Battery: Battery synchronization may take a moment after first connection
  • For the smoothest start with OSCAL BP3600 Expansion Battery: Long-term storage benefits from an occasional state-of-charge check


BATTERY
Battery Capacity 3600 Wh
Battery Type LFP (LiFePO4 battery)
Battery Life Cycles 3500+ Cycles to 80% of Original Capacity
GENERAL
Scalability Works with PowerMax3600
Battery Management System BMS
Simultaneous Recharge & Discharge Yes
Weight 83.11 lbs (37.7kgs)
Dimensions (LxWxD) L590W350H441 mm
Charging Temperature 0℃~50℃ (32℉~122℉)Best under condition from0℃ to 45℃. (32℉~113℉)
Discharging Temperature -20℃ ~55℃ (-4℉~131℉)Best under conditions from-10℃ to 45℃. (14℉~113℉)
Storage Temperature -10℃ ~45℃ (14℉~113℉)
App Control Yes, via WiFi and Bluetooth
Certification Europe: CE/RED/ROHS (EU)Japan: PSE/METI/IECAmerica: FCC /DOE/CEC/FCC/ULSouth Africa: IEC62368
In the Box 1Blackview Oscal Extra Battery1Battery Expansion Cable1* User Manual + Warranty Card

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OSCAL BP3600 Expansion Battery with 3600Wh LiFePO4 Battery, 3500+ Cycle Life, Smart BMS, WiFi & Bluetooth App Control for PowerMax 3600 OSCAL BP3600 Expansion Battery with 3600Wh LiFePO4 Battery, 3500+ Cycle Life, Smart BMS, WiFi & Bluetooth App Control for PowerMax 3600
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Detail Specs
MODEL:OSCAL BP3600
Product TypeExpansion Battery Pack
Battery Capacity3600Wh
Battery TypeLFP (LiFePO₄ Battery)
Battery Life Cycles3500+ Cycles to 80% Original Capacity
CompatibilityWorks with OSCAL PowerMax 3600
Battery Management SystemBMS (Battery Management System)
Simultaneous Recharge & DischargeSupported
App ControlSupported via WiFi and Bluetooth
Dimensions590 × 350 × 441 mm
Weight37.7 kg (83.11 lbs)
Charging Temperature0°C to 50°C (32°F to 122°F)
Recommended Charging Temperature0°C to 45°C (32°F to 113°F)
Discharging Temperature-20°C to 55°C (-4°F to 131°F)
Recommended Discharging Temperature-10°C to 45°C (14°F to 113°F)
Storage Temperature-10°C to 45°C (14°F to 113°F)
CertificationsCE, RED, RoHS, PSE, METI, IEC, FCC, DOE, CEC, UL, IEC62368
Factory Warranty2 Years

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OSCAL BP3600 Expansion Battery with 3600Wh LiFePO4 Battery, 3500+ Cycle Life, Smart BMS, WiFi & Bluetooth App Control for PowerMax 3600 OSCAL BP3600 Expansion Battery with 3600Wh LiFePO4 Battery, 3500+ Cycle Life, Smart BMS, WiFi & Bluetooth App Control for PowerMax 3600
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