Golden Solar! Advance Power! Green Life!
• Perfect upgrade replacement
The ideal upgrade replacement for lead-acid battery packs with high energy density
• A grade cells
Safe and efficent
• Long cycle life
0.2C discharge at 25℃ and 80% DOD, over 6000 cycles life
• High capacity and endurance
Supports up to 2560W continuous load power, capable of powering multiple loads simultaneously
• More Energy Storage
Store more energy within the same volume
• Efficient charging
Maximum charging current of 100A, achieving full charge in as little as one hour
Performance Curve

| Model | SL12.8-200 | ||||||
| Electrical Characteristics | |||||||
| Nominal Voltage | 12.8V | ||||||
| Nominal Capacity | 200AH | ||||||
| Energy | 2560WH | ||||||
| Cycle Life | 4000 cycles @ 0.2C charging / discharging until 80% | ||||||
| Self Discharge | < 2% per month at 25℃ | ||||||
| Standard Charging | |||||||
| Recommended Charge Current | 10A-100A | ||||||
| Max. Charge Current | 200A | ||||||
| Recommended Charge Voltage | 14.6V | ||||||
| BMS Charge Voltage Cut-off | 14.6V (3.65 ± 0.03V) | ||||||
| Reconnect Voltage | 14.2V (3.55 ± 0.05VPC) | ||||||
| Standard Discharging | |||||||
| Max. Continuous Discharge Current | 200A | ||||||
| Peak Discharge Current | 300A (<5s) | ||||||
| BMS Discharge Current Cut-off | 200A ± 35A | ||||||
| Discharge Voltage Cut-off | 10.8V | ||||||
| BMS Discharge Voltage Cut-off | 10.8V (2.7 ± 0.08 VPC) | ||||||
| Reconnect Voltage | 11.6V (2.9 ± 0.1 VPC) | ||||||
| Operating Condition | |||||||
| Charge Temperature | 0℃ to 45℃ (32°F to 113°F) @ 60 ± 25% RH | ||||||
| Discharge Temperature | -20℃ to 55℃ (-4°F to 131°F) @ 60 ± 25% RH | ||||||
| Storage Temperature | 0℃ to 45℃ (32°F to 113°F) @ 60 ± 25% RH | ||||||
| BMS High Temperature Cut-off | 75 ± 5℃ | ||||||
| Reconnect Temperature | 65 ± 15℃ | ||||||
| Mechanical | |||||||
| Case Material | ABS | ||||||
| Dimension (L*W*H) mm | 384*204*270mm | ||||||
| Net Weight (N.W.) KG | Approx.19.0 | ||||||
| Gross Weight (G.W.) KG | Approx.20.0 | ||||||
| Terminal | M8 | ||||||
| Enclose Protection | IP56 | ||||||
| Carton Size (L*W*H) mm | 430*260*330mm | ||||||