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Anker SOLIX BP2000 Expansion Battery (Gen 2)

Ranked #4 of 9 in Best Expansion Batteries for Power Stations: EcoFlow, Jackery, Anker, BLUETTI (2026). Here is every spec we scored, where it came from, and how it compares.

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#4

Anker SOLIX BP2000 Expansion Battery (Gen 2)

Best for: A light 2 kWh pack for the C2000 Gen 2

5.8/10

What we like

  • Lightest 2 kWh pack here
  • High energy per kg

Watch out for

  • Anker's page lists few pack specs (no cycle rating)

Score breakdown

Capacity 56%
Energy per kg 44%
Capacity2048 Wh
Energy per kg133.9 Wh/kg
Cycle ratingNot listed
Capacity2,048 Wh
ChemistryLFP
FitsAnker SOLIX C2000 Gen 2
Weight15.3 kg
PriceCheck price
Check price at Amazon
Specs source:

Anker SOLIX BP2000 Expansion Battery (Gen 2) head-to-head

Head-to-headAnker SOLIX BP2000 Expansion Battery (Gen 2) vs EcoFlow DELTA 2 Max Smart Extra Battery

How it compares

Open the full comparison table

Jackery Battery Pack 5000 Plus
8.6/10
#1 · The most capacity and energy per kg here
EcoFlow DELTA Pro 3 Smart Extra Battery
7.5/10
#2 · 4 kWh more for the DELTA Pro 3
Anker SOLIX BP3800 Expansion Battery
6.6/10
#3 · 3.84 kWh packs that stack up to six on an F3800 Plus
BLUETTI B300K Expansion Battery
4.8/10
#5 · The widest compatibility and a 6,000-cycle rating
Jackery Battery Pack 2000 Plus
3.8/10
#6 · Adds 2 kWh to the Explorer 2000 Plus
EcoFlow DELTA 2 Max Smart Extra Battery
3.3/10
#7 · Adds 2 kWh to DELTA 2, DELTA Max or DELTA 2 Max
BLUETTI B230 Expansion Battery
2.7/10
#8 · A 2 kWh pack that also works as a power bank
EcoFlow RIVER 3 Plus Smart Extra Battery (600)
1.2/10
#9 · A clip-on pack that doubles as a 140 W USB-C power bank