6400-03 Valve-Regulated Lead Acid (VRLA) Rechargeable Battery

Fuse in the battery


  • LI-6400/XT Portable Photosynthesis System
  • LI-8100A Soil Gas Flux System


  • Maintenance Free (no need to add water)
  • Non-spillable (no free acid)
  • Low self-discharge rate, less than 3% capacity loss per month
  • Can be used in any orientation
  • Absorbent Glass Mat technology for efficient gas recombination


Nominal Voltage 6V (12V total)
Nominal Capacity 3.0Ah @ 20 hour rate F.V. (1.75V/cell)
Weight 1.54 kg (3.40 lb.)
Max. Discharge Current 45 A (5 sec.)
Max. Charge Current 0.9 A
Operating Temperature Range Charge: 0 °C~40 °C (32 °F~104 °F)
  Discharge: -20 °C~50 °C (-4 °F~122 °F)
  Storage: -20 °C~40 °C (-4 °F~104 °F)
Container Material Standard ABS (UL 94-HB) BP33-6
(Internal Cells) Optional Flame Retardant ABS (UL 94-V0) BP33-6FR
Fuse 10A fast acting mini blade automotive fuse


Length: 274 mm (10.75”)

Width: 37 mm (1.50”)

Height: 73 mm (2.75”)

Dimensional drawing of the battery

Discharge Characteristics

Image of a table showing discharge characteristics