Schumacher
SL1639 Lithium Jump Starter
$75.51Cheaper
Released 2022
Best Car Jump Starters · head-to-head
SL1639 Lithium Jump Starter vs T8 APEX 2000A Jump Starter
A sourced, side-by-side comparison. SL1639 Lithium Jump Starter is cheaper at $75.51. Every spec and price links to its source.
Fanttik
T8 APEX 2000A Jump Starter
$99.99
Which is better: the SL1639 Lithium Jump Starter or T8 APEX 2000A Jump Starter?
On the specs we track, they're closely matched. The SL1639 Lithium Jump Starter is the cheaper at $75.51.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | SL1639 Lithium Jump Starter | T8 APEX 2000A Jump Starter |
|---|---|---|
| US price | $75.51 | $99.99 |
| Brand | Schumacher | Fanttik |
| Released | 2022 | — |
| Msrp usd | — | — |
| Peak amps | 1000 | 2000 |
| Battery capacity (mAh) | — | 20000 |
| Max gas engine liters | 8 | 8.5 |
| Max diesel engine liters | 6 | 6 |
| Jump starts per charge | 30 | — |
| USB c output watts | — | 65 |
| Has air compressor | No | No |
| LED lumens | — | 400 |
| IP rating | — | IP65 |
| Weight (lb) | 1.6 | — |
| Warranty years | 1 | — |
Sources — SL1639 Lithium Jump Starter: schumacherelectric.com (verified 2026-06-23). T8 APEX 2000A Jump Starter: fanttik.com (verified 2026-07-10).
What's the difference between the SL1639 Lithium Jump Starter and T8 APEX 2000A Jump Starter?
Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.
- Peak amps: SL1639 Lithium Jump Starter 1000 vs T8 APEX 2000A Jump Starter 2000
- Max gas engine liters: SL1639 Lithium Jump Starter 8 vs T8 APEX 2000A Jump Starter 8.5
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
SL1639 Lithium Jump Starter
No sourced tester review yet.
T8 APEX 2000A Jump Starter
Only one whitelisted outlet, Pro Tool Reviews, covers this exact model, and its July 31, 2021 piece is a pre-launch preview that restates Fanttik's own specs ('according to the company,' 'Fanttik tells us,' 'Fanttik claims') rather than a hands-on lab test, so no independently measured results exist. The only genuine editorial reaction is enthusiasm for the wide 171-degree shark clamps ('We love this'); the rest is spec restatement, and no negatives were raised. Treat cautiously. (1 sourced review.)
Praised: Wide 171-degree shark clamps that open far enough for solid battery contact.