Bring a deeper reserve to the water or campsite
The integrated handle helps position the larger pack near a fish finder, marine accessory or the 12 V equipment in an RV setup.
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- Options:
- 1 Pack
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Capacity & Energy
Charging
Discharge & BMS Protection
Service Life & Configuration
Build & Installation
Estimated delivery
- Ordered
- Order ready
- Delivered
Estimated dates can vary by destination and carrier.
In stock! Ships within 1-2 business days.
30-day hassle-free returns.
2-year limited warranty.
Free standard shipping.
Pairs well with
Longer days for marine and RV essentials
Stay out longer with solar in the loop
A compatible solar controller can restore energy while the battery supports an RV, campsite or other off-grid system.
Prepare the bank for a bigger installation
Matched 50 Ah batteries can be combined for a larger fixed system. Follow the installation guidance for wiring, protection and charging.
Technical specifications
Product
- Model number
- CRIUS50
Electrical
- Nominal voltage
- 12.8 V
- Rated capacity
- 50 Ah
- Minimum capacity
- 48 Ah
- Nominal energy
- 640 Wh
- Cell chemistry
- LiFePO4
- AC internal resistance
- ≤50 mΩ
Charging
- Charging voltage
- 14.4 (14.6 max) V
- Recommended charging current
- 10 A
- Maximum charging current
- 25 A
- Charge cutoff current
- 1 A
Discharging
- Rated discharge current
- 25 A
- Maximum continuous discharge
- 50 A
- Peak discharge current
- 100 A
- Peak current duration
- ≤5 s
- Maximum continuous output
- 640 W
- Discharge cutoff voltage
- ~10 V
Battery management
- BMS rated current
- 50 A
- BMS protections
- Overcharge; over-discharge; over-current; short-circuit; temperature
Service life
- Cycle life
- 5000+ cycles
- Cycle-life test conditions
- 0.2C, 25°C, 80% DOD
Physical
- Terminal type
- M8 threaded hole
- Case material
- ABS + PC
- Ingress protection
- IP67
- Dimensions (L × W × H)
- 228 × 138 × 208 mm
- Net weight
- 6.4 kg
Environment
- Charging temperature
- 0–50 °C
- Discharging temperature
- -20–60 °C
- Storage temperature
- 0–45 °C
Compliance
- Certifications / standards
- CE; RoHS; FCC; UKCA; PSE; UN38.3; IEC62619; IEC62133 (cells); UL1642 (cells)
- Shipping classification
- UN3480 CLASS 9
Frequently asked questions
Can this battery be used for engine starting?
What charger should I use?
Can batteries be connected in series or parallel?
What are the operating temperature limits?
What are the terminal type, dimensions and cycle rating?
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