Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Battery Specifications

Battery Specifications
Electrolyte Gravity 1.27-1.29
At 20 degrees C (68 degrees F)
Dark Current
Dark Current is the constant flow of current present when the ignition switch is OFF (i.e., audio unit, clock, etc.) or when the key is removed from the ignition switch.
20 mA Maximum
Open Circuit Voltage Above 12.4 V
Test Load Chart
Battery Load (A)
55D23L 180
75D23L 195
80D26L 195
Battery Voltage With Load
Approximate Battery Temperature Minimum Voltage (V)
21 degrees C (70 degrees F) 9.6
15 degrees C (60 degrees F) 9.5
10 degrees C (50 degrees F) 9.4
4 degrees C (40 degrees F) 9.3
Charging Current
Battery Type (5 Hour Rate) Slow Charge (A) Quick Charge (A)
55D23L (48) 4.5-5.5 30
75D23L (52) 5.0-6.0 35
80D26L (55) 5.5-6.5 35