12V 4.5Ah Lithium Battery
Brand : Yangtze BatteryProduct origin : China
Delivery time : Within 15 days
Supply capacity : 200000 units/month
MOQ : 20
●Longer Cycle Life : Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery ,helping to minimize replacement cost and reduce total cost of ownership ●Lighter Weight : About 40% of the weight of a comparable lead acid battery . A " drop in" replacement for lead acid batteries ●Higher Power : Delivers twice power of lead acid battery , even high discharge rate, while maintaining high energy capacity ●Wider Temperature Range : -20℃~60℃ ●Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of high impactovercharging or short circuit situation
Key Features :
●Longer Cycle Life : Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery ,helping to minimize replacement cost and reduce total cost of ownership
●Lighter Weight : About 40% of the weight of a comparable lead acid battery . A " drop in" replacement for lead acid batteries
●Higher Power : Delivers twice power of lead acid battery , even high discharge rate, while maintaining high energy capacity
●Wider Temperature Range : -20℃~60℃
●Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of high impactovercharging or short circuit situation
Applications :
●Solar and wind energy storage system
●EPS and UPS battery backup
●Signal system , emergency lighting system , security system
●Telecommunication Equipment
●Golf trolleys & buggies ,wheelchairs ,scooters, electric bikes
Electrical Characteristics | Nominal Voltage | 12.8V |
| Nominal Capacity | 4.5Ah | |
| Energy | 57.6Wh | |
| Internal Resistance(AC) | 60mΩ | |
| Cycle Life | >2000 cycles @ 1C 100% DOD | |
| Months Self Discharge | <3% | |
| Efficiency of Charge | 100% @0.5C | |
| Efficiency of Discharge | 96~99% @1C | |
| Standard Charge | Charge Voltage | 14.6±0.2V |
| Charge Mode | 0.2C to 14.6V, then 14.6V, charge current to 0.02C(CC/CV) | |
| Charge Current | 2.5A | |
| Max. Charge Current | 4.5A | |
| Charge Cut-off Voltage | 15.6±0.2V | |
| Standard Discharge | Continuous Current | 12A |
| Max.Pulse Current | 15A(<3s) | |
| Discharge Cut-off Voltage | 8V | |
| Envitonmental | Charge Temperature | 0℃ to 55℃ (32F to 131F) @60±25% Relative Humidity |
| Discharge Temperature | -20℃ to 60℃ (-4F to 140F) @60±25% Relative Humidity | |
| Storage Temperature | -20℃ to 45℃ (-4F to 113F) @60±25% Relative Humidity | |
| IP Class | IP65 | |
| Mechanical | Plastic Case | ABS |
| Approx.Dimensions | 89mm*69mm*107mm (3.5in.*2.72in.*4.21in.) | |
| Approx.Weight | 0.85kg (1.87lbs) | |
| Terminal | T1 |
