Cotek Products Ranked

Last updated: October 24, 2026

11 Cotek products ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size 48V inverters here, not third among Cotek's own.

Cotek makes 5 current 12V inverters: 2 up to 1,000 W, 2 1,100 to 2,000 W and 1 over 2,000 W. Prices run from $354 for the Cotek SP-700-112 to $1,113 for the Cotek SP-3000-112. Its best-rated model in each size: the Cotek SP-1000-112 (#26 of 29 up to 1,000 W, rated 2.4), the Cotek SP-2000-112 (#36 of 38 1,100 to 2,000 W, rated 2.3) and the Cotek SP-3000-112 (#22 of 23 over 2,000 W, rated 2.1). Models run 700 to 3,000 W continuous.

Cotek makes 6 current 48V inverters: 3 up to 1,500 W and 3 over 1,500 W. Prices run from $354 for the Cotek SP-700-148 to $1,316 for the Cotek SP-4000-148. Its best-rated model in each size: the Cotek SP-1500-148 (#13 of 18 up to 1,500 W, rated 2.7) and the Cotek SP-2000-148 (#16 of 20 over 1,500 W, rated 2.6). Models run 700 to 4,000 W continuous.

Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Cotek 12V inverters 5

  1. Cotek SP-1000-112
    #26 up to 1,000 W2.4Full review

    For vans and small RVs that run a small microwave and want very low standby draw.

    Northern Arizona Wind & Sun $406
    $406
    1,000 W1.5 ANo2 years
  2. Cotek SP-2000-112
    #36 1,100 to 2,000 W2.3Full review

    For RVs that need 2,000 W from GFCI outlets with very low standby draw.

    Northern Arizona Wind & Sun $754
    $754
    2,000 W1.8 ANo2 years
  3. Cotek SP-1500-112
    #38 1,100 to 2,000 W2.2Full review

    For RVs that run a microwave or coffee maker and want an efficient, slim inverter.

    Amazon $562
    $562
    1,500 W1.8 ANo2 years
  4. Cotek SP-700-112
    #28 up to 1,000 W2.1Full review

    For campers who want a small, efficient inverter for electronics and a fridge.

    Amazon $354
    $354
    700 W1.5 ANo2 years
  5. Cotek SP-3000-112
    #22 over 2,000 W2.1Full review

    For RVs and cabins that hardwire a 3,000 W inverter into a subpanel.

    Amazon $1,113
    $1,113
    3,000 W3.8 ANo2 years

Every 12V inverter ranked

Cotek 48V inverters 6

  1. Cotek SP-1500-148
    #13 up to 1,500 W2.7Full review

    A plain, efficient 1,500 W inverter for a 48 V cabin or shop bank that plugs loads in directly.

    Northern Arizona Wind & Sun $562 Inverters R Us $562
    $562
    1,500 W24 WNo2 years
  2. Cotek SP-1000-148
    #14 up to 1,500 W2.6Full review

    A plain, efficient 1,000 W inverter for a 48 V cabin or shop bank that plugs loads in directly.

    Amazon $406
    $406
    1,000 W24 WNo2 years
  3. Cotek SP-2000-148
    #16 over 1,500 W2.6Full review

    A plain, efficient 2,000 W inverter for a 48 V cabin or shop bank that plugs loads in directly.

    Amazon $754
    $754
    2,000 W24 WNo2 years
  4. Cotek SP-700-148
    #15 up to 1,500 W2.5Full review

    A plain, efficient 700 W inverter for a 48 V cabin or shop bank that plugs loads in directly.

    Amazon $354
    $354
    700 W24 WNo2 years
  5. Cotek SP-4000-148
    #18 over 1,500 W2.3Full review

    A 4,000 W hardwired inverter for a 48 V off-grid panel feed, with good efficiency but a short warranty.

    Amazon $1,316
    $1,316
    4,000 W48 WNo2 years
  6. Cotek SP-3000-148
    #20 over 1,500 W2.3Full review

    A 3,000 W hardwired inverter for a 48 V off-grid panel feed, with good efficiency but a short warranty.

    Amazon $1,113
    $1,113
    3,000 W48 WNo2 years

Every 48V inverter ranked