Kung Long Batteries WP40-12(N)E
The Kung Long Batteries WP40-12(N)E is a battery pack with a nominal voltage of 12V, a capacity of 40 Ah and a weight of 13.4 kg.
Last updated: 2 November 2026
Battery and charging
- Capacity (amp-hours)
- 40 Ah
- Voltage, as stated
- 12V
- Float voltage it applies
- 13.5 to 13.8V
- Internal resistance
- 7.5 mΩ
- Capacity, at the 20-hour rate
- 40
- Capacity, at the 5-hour rate
- 34
- Capacity, at the 10-hour rate
- 38
- Charging voltage
- 14.4 to 15.0V
“20 hour rate (2A to 10.50V) 40Ah”
Source: klb.com.tw/products-download/WP40-12NE
“Nominal Voltage(V) 12V Nominal Capacity”
Source: klb.com.tw/products-download/WP40-12NE
“Float Charging Voltage 13.5 to 13.8V”
Source: klb.com.tw/products-download/WP40-12NE
“Internal Resistance (at 1KHz) Approx. 7.5 mΩ”
Source: klb.com.tw/products-download/WP40-12NE
“20 hour rate (2A to 10.50V) 40Ah”
Source: klb.com.tw/products-download/WP40-12NE
“5 hour rate (6.8A to 10.20V) 34Ah”
Source: klb.com.tw/products-download/WP40-12NE
“10 hour rate (3.8A to 10.50V) 38Ah”
Source: klb.com.tw/products-download/WP40-12NE
“Charging Voltage 14.4 to 15.0V”
Source: klb.com.tw/products-download/WP40-12NE
Size and fit
- Weight
- 13.4 kg
“Weight Approx. 13.4kg(29.5Lbs.)”
Source: klb.com.tw/products-download/WP40-12NE
Sources
- Archived document
Source: klb.com.tw/products-download/WP40-12NE
Retrieved November 1, 2026