TIANNENG TNEP12-28 LEAD ACID 12V/28AH

Physical Specifications

• Deep Discharge Range: 500~600 cycles @ 100% DOD

• Increased Capacity: >10% Direct Bar Welding**: Optimized Performance

• Positive Grid Composition: Carbon Fiber and Rare Earth Alloy Improved Discharge Performance >15%

• Rare Earth Alloy: For Improved Durability

Product Features

• Nominal Voltage: 12V

• Nominal Capacity 28Ah (25°C/77°F):

o 28Ah (20hrs discharge @ 1.80V/cell)

o 26Ah (10hrs discharge @ 1.75V/cell)

o 24Ah (5hrs discharge @ 1.75V/cell)

o 23Ah (2hrs discharge @ 1.75V/cell)

• Temperature Effect on Capacity:

o 40°C (104°F): 106%

o 25°C (77°F): 100%

o 0°C (32°F): 85%

o Optimum Temperature: 25±3°C (77±5°F)

Dimensions and Weight

• Dimensions (mm):

o Length: 181 ± 1

o Width: 77 ± 1

o Height: 170 ± 1

o Total Height: 171 ± 1

• Weight: 6.65 kg ± 3%

• Container Material: ABS UL94-HB (Optional: FR ABS UL94-V0)

Product Applications

• Electric Mopeds

• Electric Two-Wheels

• Electric Motorcycles

• Electric scooters

• Electric bikes for children

Temperature range

• Discharge: -15 ~ 50°C (5°F ~ 122°F)

• Charging: 0 ~ 40°C (32°F ~ 104°F)

• Storage: -15 ~ 40°C (5°F ~ 104°F)

• Optimum temperature: 25°C ± 2°C (77°F ± 5°F)

Self-discharge:

o Maintain 90% of capacity after 3 months

Maintain 80% of capacity after 6 months

Warnings and maintenance

• Store the battery in a cool and dry place

• Do not overcharge or overdischarge the battery

• Regularly check the terminals and connection