Battery Tender 021-0133-DL-WH
Last updated: 13 October 2026
Battery and charging
- Battery types it states
- Lead-acid: flooded, AGM, gel cell, and sealed maintenance-free. Lithium: LiFePO4.
- Highest charge current it will take
- 4 Amp
“Compatible per bank: 14Ah to 100Ah at 6V or 12V. Lead-acid: flooded, AGM, gel cell, and sealed maintenance-free. Lithium: LiFePO4.”
Source: batterytender.com/products/5-bank-4-amp-selectable-12v-6v-battery-charger
“Bank 2 charges a 6V classic car battery and Bank 3 runs a 12V lead-acid ATV battery — all simultaneously, all at full 4 Amp output per bank, all running independent ISM cycles.”
Source: batterytender.com/products/5-bank-4-amp-selectable-12v-6v-battery-charger
Compatibility
- Per-bank chemistry selection
- five banks independently configurable for Lithium or lead-acid chemistry and 6V or 12V voltage
“each of its five banks independently configurable for Lithium or lead-acid chemistry and 6V or 12V voltage”
Source: batterytender.com/products/5-bank-4-amp-selectable-12v-6v-battery-charger
Sources
- PowerTender® 5-Bank 4A Battery Charger & Maintainer | Battery Tender®Archived document
Source: batterytender.com/products/5-bank-4-amp-selectable-12v-6v-battery-charger
Retrieved October 13, 2026