Battery Tender Plus 1.25 AMP 8V Battery Charger and Maintainer

Golf carts represent the largest 8V battery application in the world — and yet most battery chargers ignore the voltage entirely. Applying 12V charging voltage to an 8V battery causes overcharging; applying insufficient voltage causes chronic undercharging and accelerates sulfation. The Battery Tender® Plus 8V 1.25A is engineered specifically for 8V lead-acid batteries, delivering the precise voltage and ISM (Infinite Sequential Monitoring™) intelligence this battery class requires.

Why 8V Batteries Require an 8V Charger

Individual 8V batteries in a golf cart pack or industrial equipment application need to be maintained at their correct individual voltage, not the pack voltage. Charging an 8V battery with a 12V charger will overcharge it — causing excessive gassing, electrolyte loss, and premature plate failure. Maintaining it with an underrated generic charger produces chronic undercharging and sulfation buildup. The Battery Tender® Plus 8V delivers the correct absorption and float voltages for 8V chemistry at every stage of the ISM algorithm.

ISM: 4-Stage Smart Charging at 8V

• Initialization — Battery health check and polarity confirmation before current flows; identifies battery condition before charging begins
• Bulk Charge — Full 1.25 Amp output restores depleted capacity at the correct 8V bulk voltage
• Absorption — Current tapers automatically as the battery approaches full charge, eliminating overcharge damage that standard trickle chargers cause when left connected
• Float Maintenance — Precisely regulated micro-current delivered 24/7 holds battery at peak 8V float voltage indefinitely, offsetting natural self-discharge without overcharging

Compatible battery size range: 14Ah to 80Ah at 8V. All lead-acid chemistries: flooded, AGM, gel cell, and sealed maintenance-free.

8V Battery Applications

• Golf carts with 8V individual cell configurations
• Electric utility carts on golf courses and resort properties
• Industrial floor scrubbers and cleaning equipment
• Electric pallet jacks and material handling equipment
• Electric personnel carriers and campus vehicles
• Specialty electric vehicles with 8V cell configurations
• Any 8V lead-acid, AGM, or gel cell battery from 14Ah to 80Ah

Golf Cart Battery Maintenance: Why Individual Cell Health Matters

Most golf cart packs use multiple batteries wired in series to achieve 36V or 48V total pack voltage. When any individual battery in the pack loses capacity due to sulfation or improper charging, the entire pack performs at the weakest cell's level — reducing range, increasing charge cycles, and accelerating failure across all batteries in the pack. Maintaining individual 8V batteries with a Battery Tender® Plus 8V equalizes cell health across the pack and extends overall service life.

Seasonal Storage for Golf and Fleet Operations

Golf courses, resorts, and recreational facilities that store carts during off-season months face the same sulfation problem as powersports owners. 8V batteries stored without maintenance charging lose capacity permanently over a single off-season. A Battery Tender® Plus 8V connected to each battery during storage maintains them at full capacity through the dormant period, ensuring a full fleet is ready for opening season without battery replacement costs.

Automatic Temperature Compensation

Charge voltage adjusts automatically based on ambient temperature throughout the charging cycle — increasing in cold storage environments to ensure a complete charge, reducing in summer heat to prevent gassing and overcharge damage. Correct voltage delivered year-round in any storage environment, without manual adjustment.

Safety Features

• Spark-proof connection — No current flows until polarity and connection are confirmed correct
• Reverse polarity protection — Automatic shutdown if clamps are reversed
• Short-circuit protection — Automatic fault detection and shutdown
• ETL and CETL certified

Prevent Sulfation. Protect the Pack.

Sulfation — the permanent, irreversible hardening of lead sulfate on battery plates from sitting discharged — is the primary cause of premature battery failure in golf cart and industrial battery applications. Once sulfation forms to a significant degree, it cannot be reversed. The Battery Tender® Plus 8V prevents it entirely through continuous float maintenance, consistently extending battery service life from 2–3 years to 5 years or more and reducing replacement costs across the full fleet operating cycle.

Limited Warranty | DeLand, Florida Since 1965