Skip to content
Guides

Jackery Explorer 300 Plus vs 290 Plus: Small Stations Compared

September 24, 2026

Last updated September 24, 2026. Honest availability note: Jackery still documents Explorer 300 Plus (model JE-300B) in official manuals. As of this draft, Jackery’s US storefront URL that historically matched “300 Plus” may surface the newer Explorer 300 v2—confirm the SKU on the label before you buy. Explorer 290 Plus appears on Jackery US primarily as a refurbished listing. Specs below are from Jackery manuals / Jackery refurbished PDP—not Boom tests.

These two sit in the same ~290 Wh backpack class, but they are not twins: 300 Plus is the LFP / app-era small box; 290 Plus is the lighter NMC refurbished SKU with dual AC outlets and 60 W USB-C.

Index

Quick decision

  • Prefer Explorer 300 Plus (JE-300B) when you want LiFePO₄ marketing/manual positioning, dual USB-C (up to 100 W class), app/Wi‑Fi/Bluetooth features in the manual, and a longer warranty path Jackery documents for that model.
  • Prefer Explorer 290 Plus (refurbished) when you want the lightest carry (~7.1 lb) and dual AC outlets—and you accept NMC chemistry plus refurbished warranty terms (Jackery lists 6 months on the refurbished PDP).

Check Jackery 300-class page (Jackery US) · Check Explorer 290 Plus refurbished (Jackery US)

Decision table (manufacturer-stated)

SpecExplorer 300 Plus (JE-300B)Explorer 290 Plus (refurbished PDP)
Capacity288 Wh290 Wh
AC output300 W rated / 600 W surge (manual)Pure sine AC outlets (2×); continuous watt rating—confirm on your unit/manual (third-party manuals commonly list 300 W; Jackery refurbished PDP emphasizes ports, not a bold continuous-W callout)
Chemistry288 Wh pack; Jackery markets LFP for this Plus generation—manual capacity line prints lithium-ion Wh math; treat chemistry as maker-marketed LFP for this SKUNMC (Lithium Nickel Manganese Cobalt Oxide) per Jackery refurbished page
Weight~8.27 lb / 3.75 kg7.1 lb
USB-C2× USB-C; up to 100 W on the PD port (manual)1× PD 60 W USB-C (in/out)
AC outlets1× AC (manual photos / JE-300B)2× AC
Wall recharge claimFast wall charge (Jackery marketing ~2 hours class for Plus—confirm live listing)~5.5 hours wall; ~2.5 hours to 80% with 65 W wall + 60 W USB-C together (refurbished PDP)
Solar claimUSB-C solar input path (manual); times vary by panel~5–5.5 hours with 100 W panel class (refurbished PDP)
App / smartJackery App; Wi‑Fi/Bluetooth icons in manualNot highlighted as app-first on refurbished PDP
Warranty (as listed)3+2 years path documented for 300 Plus6 months on refurbished PDP

Sources: Jackery Explorer 300 Plus manual (JE-300B), Jackery Explorer 290 Plus refurbished.

Who should buy / who should skip

Buy 300 Plus if…

  • You want the newer small-LFP Jackery story and 100 W USB-C laptop charging.
  • You care about app monitoring more than saving one pound.

Skip 300 Plus if…

  • The live Jackery cart only offers 300 v2 and you actually wanted JE-300B—read the model sticker.
  • You need two AC outlets in one small box—290 Plus refurbished wins that port count.

Buy 290 Plus refurbished if…

  • Budget + 7.1 lb matter and loads are phones/cameras/mini-coolers Jackery cites.

Skip 290 Plus if…

  • You reject refurbished or need a multi-year warranty.
  • You need LFP cycle marketing—stay on 300 Plus / 300 v2 class.

Failure modes

  • SKU drift: storefront pages morph. Buy by model number (JE-300B vs refurbished 290 Plus), not by blog nickname alone.
  • Wh lookalike trap: 288 vs 290 Wh is noise; chemistry, ports, and warranty are the real deltas.
  • Overload: neither box is a microwave station—stay under published continuous AC.

Related

Search Jackery Explorer 300 Plus on Amazon · Search Jackery Explorer 290 Plus on Amazon