LONG 12V 40AH DRY MAINTAINENCE FREE BATTERY

Description

Voltage & Capacity

• Nominal Voltage: 12 V

• Rated Capacity: 40 Ah at 20‑hour rate (2 A continuous)

• At a 10‑hour rate (3.72 A): ~37.2 Ah

• At a 5‑hour rate (6.4 A): ~32 Ah

• At high loads (1‑hr): ~24.8 Ah; 15‑min bursts: ~17.6 Ah

• Physical Dimensions & Weight

  • Length × Width × Height: approximately 197 × 165 × 170 mm

  • Weight: ~12.7 kg (28 lbs)

  • Charging Specifications (25 °C)

    • Cycle (bulk) Charging: 14.4–14.7 V (−24 mV/°C), max current ~12 A

    • Float Charging: 13.6–13.8 V (−18 mV/°C)

• Feature	Specification
  Nominal Voltage	12 V
  Capacity @ 20 hr	40 Ah
  Size (L×W×H)	~197 × 165 × 170 mm
  Weight	~12.7 kg
  Max Discharge	400 A (5 s)
  Internal Resistance	~8.5 mΩ
  Charge (Cycle / Float)	14.4–14.7 V / 13.6–13.8 V
  Self-discharge (3/6/12 mo)	90 % / 80 % / 60 %
  Operating temp effect	65 % capacity @ -15 °C

  Performance Characteristics

  • Internal Resistance (fully charged): ~8.5 mΩ Max Discharge: up to 400 A for 5 seconds

  • Temperature Effects (20‑hr capacity):

    • At 40 °C: 102%

    • At 0 °C: 85%

    • At –15 °C: 65%

   

  • Self-Discharge at 20 °C:

    • After 3 months: retains ~90% capacity

    • After 6 months: ~80%

    • After 12 months: ~60%

    • 3 Months warranty

  Call Us or WhatsApp For confirm Pricing and stock availability.