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Electrical Characteristics | Model number | YCST-1220E |
Nominal Voltage | 12.8V | |
Nominal capacity | 20Ah | |
Energy | 256Wh | |
Internal Resistance | 2~5mΩ | |
Cycle life | ≥2000 cycles, 80%DOD | |
Months Self Discharge | <3% | |
Efficiency of Charge | 100% @0.5C | |
Efficiency of Discharge | 96~99% @1C | |
Standard Charge | Charge Cut-off Voltage | 14.4±0.2V |
Charge Mode | 0.2C to 14.6V, then 14.6V,charge current to 0.02C (CC/CV) | |
Standard Charge Current | 0.2C | |
Max. Charge Current | 1C | |
Standard Discharge | Max Continuous discharge Current | 1C |
Pulse Discharge Current | 3C, 3S | |
Discharge Cut-off Voltage | 10v | |
Environmental | Charge Temperature | 0 ℃ to 45 ℃ (32F to 113F) @60±25% Relative Humidity |
Discharge Temperature | -20 ℃ to 60 ℃ (-4F to 140F) @60±25% Relative Humidity | |
Storage Temperature | 0℃ to 40 ℃ (32F to 104F) @60±25% Relative Humidity | |
Water Dust Resistance | IP66 | |
Plastic Case | Over 300pcs, support color customization. | |
Dimensions (mm) | L181*W77*H170mm | |
Weight | 2.5kg | |
Terminal | M8 | |
Function | Communication | None, in the future support CAN. |










Model No. | Voltage | Capacity | Dimension | Weight |
12V | 60Ah | L260*W167*H210mm | 7kg | |
12V | 70Ah | L260*W167*H210mm | 8kg | |
12V | 80Ah | L260*W167*H210mm | 9kg | |
12V | 100Ah | L330*W174*H220mm | 11kg | |
12V | 120Ah | L406*W173*H236mm L330*W174*H220mm | 13kg | |
12V | 150Ah | L406*W173*H236mm L330*W174*H220mm | 15kg | |
12V | 200Ah | L406*W173*H236mm | 18kg | |
12V | 250Ah | L520*W268*H230mm | 22kg | |
12V | 300Ah | L520*W268*H220mm | 30kg | |
12V | 400Ah | L520*W268*H220mm | 39kg | |
24V | 50Ah | L330*W174*H220mm | 11kg | |
24V | 60Ah | L330*W174*H220mm | 12kg | |
24V | 100Ah | L520*W268*H230mm | 18kg | |
24V | 150Ah | L520*W268*H220mm | ||
24V | 200Ah | L520*W268*H220mm | 39kg | |
48V | 50Ah | L520*W268*H230mm | 18kg | |
48V | 100Ah | L520*W268*H220mm | 39kg |

Model No. | Voltage | Capacity | CCA | Dimension | Weight |
12V | 20Ah | 450 | 197*128*200/220mm | 4kg | |
12V | 600 | 197*128*200/220mm | 6kg | ||
12V | 50Ah | 700 | 244*176*197mm | 7kg | |
12V | 60Ah | 800 | 242.5*175*162/183mm | 9kg | |
12V | 86Ah | 900 | 306*174*200/220 | 10.5kg | |
12V | 90Ah | 950 | 278*176*172mm | 10.8kg | |
12V | 100Ah | 1000 | 278*176*172mm | 11kg | |
12V | 100Ah | 1000 | 279*175*189mm | 11kg | |
12V | 120Ah | 1100 | 260*175*201/221mm | 13kg |

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