# SL1639 Lithium Jump Starter vs A58 4000A Jump Starter: specs and price compared

A sourced, side-by-side comparison of the SL1639 Lithium Jump Starter (Schumacher) and A58 4000A Jump Starter (AVAPOW) among car jump starters. SL1639 Lithium Jump Starter is the cheaper of the two at $75.51.

## Side by side

| Spec | SL1639 Lithium Jump Starter | A58 4000A Jump Starter |
| --- | --- | --- |
| US price | $75.51 | $129.99 |
| Brand | Schumacher | AVAPOW |
| Released | 2022 | 2023 |
| Msrp usd | — | 129.99 |
| Peak amps | 1000 | 4000 |
| Battery capacity (mAh) | — | 27800 |
| Max gas engine liters | 8 | — |
| Max diesel engine liters | 6 | 10 |
| Jump starts per charge | 30 | 60 |
| USB c output watts | — | — |
| Has air compressor | No | No |
| LED lumens | — | — |
| IP rating | — | — |
| Weight (lb) | 1.6 | 3.72 |
| Warranty years | 1 | 1 |

## Key differences

- Peak amps: SL1639 Lithium Jump Starter 1000 vs A58 4000A Jump Starter 4000
- Max diesel engine liters: SL1639 Lithium Jump Starter 6 vs A58 4000A Jump Starter 10
- Jump starts per charge: SL1639 Lithium Jump Starter 30 vs A58 4000A Jump Starter 60
- Weight (lb): SL1639 Lithium Jump Starter 1.6 vs A58 4000A Jump Starter 3.72

## Sources

- SL1639 Lithium Jump Starter: https://www.schumacherelectric.com/products/lithium-portable-power-pack-and-1000a-12v-jump-starter-charge-your-smartphone-two-times-faster/ (schumacherelectric.com, verified 2026-06-23)
- A58 4000A Jump Starter: https://avapow.net/product/avapow-car-jump-starter-4000a-peak-battery-for-all-gas-or-up-to-10l-diesel-portable-booster-power-pack-12v-auto-jump-box-with-led-light-usb-quick-charge-3-0/ (avapow.net, verified 2026-06-23)

Canonical: https://frontdeskreview.com/gear/car-jump-starters/schumacher-sl1639-vs-avapow-a58/
Cite: Per The Front Desk Review, SL1639 Lithium Jump Starter ($75.51) vs A58 4000A Jump Starter ($129.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-jump-starters/schumacher-sl1639-vs-avapow-a58/
License: CC BY 4.0.