Jump pack — lists lithium compatibility
Battery Tender 1500 Amp Lithium Jump Starter
A 1,500 peak amp lithium jump pack with smart clips. Battery Tender lists AGM, gel, lithium and standard lead-acid batteries as compatible, and it has a 12,000 mAh power bank.
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Best for
A jump pack whose maker lists lithium 12 V batteries as compatible
Specifications
| Current | 750 A start / 1,500 A peak |
|---|---|
| Compatible batteries | AGM, GEL, Lithium, Standard (sealed or flooded lead-acid), per Battery Tender's product page |
| Engine rating | 12 V gas up to V8; diesel up to 5.5 L in Battery Tender's FAQ (its product description says 7.0 L) |
| Internal battery | 12,000 mAh lithium |
| Protection | Spark-proof smart clips, reverse polarity, short-circuit, over-current, over-temperature |
| Ports | USB-C in/out 5 V 3 A; QC 3.0 USB out; 12 V DC out (10 A) |
| Operating temperature | 32°F to 104°F (0°C to 40°C) per the manual |
| Certification | cETLus (UL 2743), UN38.3 |
| Weight | 3.9 lb (pack only) |
| Warranty | 1-year limited |
Specifications as published by Battery Tender. Confirm against the current spec sheet before buying — manufacturers revise models without renaming them.
What's good
- Unlike most jump packs, Battery Tender lists lithium alongside AGM, gel and flooded lead-acid as compatible battery types
- The smart clips show green only on a good connection and sound an alarm if they're reversed, shorted or overheating
- Larger 12,000 mAh pack, with USB-C and Quick Charge outputs that make it a useful power bank in an outage
What's not
- The manual rates it to operate only from 32°F to 104°F, so it isn't rated for below-freezing use
- "Lithium" on the compatibility list doesn't mean every automotive lithium low-voltage battery. Your car's manual still decides how, and where, to jump it
- Battery Tender gives two diesel engine ratings (5.5 L and 7.0 L), so plan on the lower one
Our verdict
This is the pick if your EV has a lithium 12 V battery and you want a pack whose maker doesn't exclude it. Tesla, for example, says Model Y built at Fremont after about December 2021 has a lithium-ion low-voltage battery and tells owners to use an external supply such as a portable jump starter on its jump posts. Follow your own manual's procedure and keep the pack charged. Its 32°F lower operating limit makes it a poor fit for an unheated garage in the North.
Compare with the alternatives
- NOCO GENIUS5 — keeping a car-sized 12 v battery charged during storage, whatever its chemistry
- NOCO Boost Plus GB40 — waking a car with a flat 12 v lead-acid or agm battery without a second vehicle
- Battery Tender Junior Multi-Chemistry 12V (022-0199-DL-WH) — small 12 v starting batteries, such as a generator's, that sit between uses