Techfine Free Maintenance 12V 250ah Battery Rechargeable Deep Cycle Inverter Solar Battery for Solar System Like New

• Model NO. DC250-12
• Type: Lead-Acid Batteries
• Usage: UPS, Electric Power, Lighting
• Nominal Voltage: 12V
• Discharge Rate: Medium Discharge Rate
• Shape: Flat Battery
• Electrolyte: Acid
• Installation: Fixed
• Rechargeable: Chargeable
• Nominal Capacity(10hr): 250ah
• Approx Weight: Approx 64kg
• Max. Discharge Current: 2000A (5s)
• Trademark: Techfine or OEM
• Transport Package: Carton/ Pallet
• Specification: 522*268*220*225mm
• Origin: Foshan
• HS Code: 8507200000.

Product Description:

• Nominal Voltage: 12V.
• Nominal Capacity(10HR): 250AH.

Dimension:

• Length 522 ±3mm (20.55 inches)
• Width  268 ±2mm (10.55 inches)
• Container Height: 220 ±2mm (8.66inches)
• Total Height (with Terminal): 225 ±2mm (8.86 inches)
• Approx Weight: Approx 64.0 Kg (141.1Ibs)
• Terminal: T11
• Container Material: ABS.

Rated Capacity:

• 258.8AH/1 2.9A: (20hr ,1.80V/cell,25ºC/77ºF)
• 250.0 AH/25.0A: (10hr,1.80V/cell,25ºC/77ºF)
• 218.7 AH/43.7A: (5hr,1.75V/cell,25ºC/77ºF)
• 198.7 AH/66.2A: (3hr,1.75V/cell,25ºC/77ºF)
• 161.5 AH/161.5A: (1hr,1.60V/cell,25ºC/77ºF)

Max. Discharge Current: 2000A (5s)

Internal Resistance: Approx 2.0m

Operating Temp range:

• Discharge: -15~50ºC (5~122ºF)
• Charge: 0~40ºC (32~104ºF)
• Aircraft signal Storage: -15~40ºC (5~104ºF)
• Nominal Operating Temp. Range: 25 ±3ºC (77 ±5ºF) 

Cycle Use: Initial Charging Current less than 75.0A. Voltage Communication power supply 14.4V~14.9V at 25ºC(77ºF) Temp. Coefficient -30mV/ºC

Standby Use: No limit on Initial Charging Current Voltage Auto control system 13.5V~13.8V at 25ºC(77ºF) Temp. Coefficient -20mV/ºC

Capacity affected by Temperature:

• 40ºC (104 ºF)103%
• 25ºC (77 ºF )100%
• 0ºC (32ºF ) 86%

Self-Discharge: Techfine batteries may be stored for up to 6 months at 25ºC(77ºF) and battery should be recharge before use. For higher temperatures the time interval will be shorter.