Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger
Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger is a purpose-built battery charger/maintainer designed to safely charge and maintain lead-acid + LiFePO4 (selectable). It uses an automatic charging profile and transitions to maintenance/float once the battery is full.
Best for
- Best when you want a 4A maintainer: small to midsize starting batteries, seasonal storage
Key technical details
- SKU: 022-0209-BT-WH
- UPC: 734357220957
- System voltage: 6V/12V
- Output: 4A
- Charging program: smart maintainer
Quick technical Q&A
- Will it overcharge my battery if I leave it connected?
- No—once the battery reaches full charge, it switches to a maintenance/float stage to hold storage voltage instead of continuously charging.
- What battery chemistry is it meant for?
- This unit is intended for lead-acid + LiFePO4 (selectable). Always confirm your battery type and voltage before connecting.
- Can I use this on a 12V system?
- No—this model is for 6V batteries only. Using it on 12V can damage the charger and battery.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger
Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger
Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger is a purpose-built battery charger/maintainer designed to safely charge and maintain lead-acid + LiFePO4 (selectable). It uses an automatic charging profile and transitions to maintenance/float once the battery is full.
Best for
- Best when you want a 4A maintainer: small to midsize starting batteries, seasonal storage
Key technical details
- SKU: 022-0209-BT-WH
- UPC: 734357220957
- System voltage: 6V/12V
- Output: 4A
- Charging program: smart maintainer
Quick technical Q&A
- Will it overcharge my battery if I leave it connected?
- No—once the battery reaches full charge, it switches to a maintenance/float stage to hold storage voltage instead of continuously charging.
- What battery chemistry is it meant for?
- This unit is intended for lead-acid + LiFePO4 (selectable). Always confirm your battery type and voltage before connecting.
- Can I use this on a 12V system?
- No—this model is for 6V batteries only. Using it on 12V can damage the charger and battery.
Original: $79.95
-65%$79.95
$27.98Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Battery Tender 6V/12V 4A Lead Acid & Lithium Selectable Battery Charger is a purpose-built battery charger/maintainer designed to safely charge and maintain lead-acid + LiFePO4 (selectable). It uses an automatic charging profile and transitions to maintenance/float once the battery is full.
Best for
- Best when you want a 4A maintainer: small to midsize starting batteries, seasonal storage
Key technical details
- SKU: 022-0209-BT-WH
- UPC: 734357220957
- System voltage: 6V/12V
- Output: 4A
- Charging program: smart maintainer
Quick technical Q&A
- Will it overcharge my battery if I leave it connected?
- No—once the battery reaches full charge, it switches to a maintenance/float stage to hold storage voltage instead of continuously charging.
- What battery chemistry is it meant for?
- This unit is intended for lead-acid + LiFePO4 (selectable). Always confirm your battery type and voltage before connecting.
- Can I use this on a 12V system?
- No—this model is for 6V batteries only. Using it on 12V can damage the charger and battery.




















