Prime Day ready / evergreen ranking
Power Station Ranking by Capacity
Compare price, specs, usability, expansion and trust by capacity band.
* Prices are refreshed year-round every 15 minutes. Check Amazon for the final live price and coupons.
※この記事にはアフィリエイトリンクが含まれます。また、本企画にはEcoFlow様からの製品提供（PR）が含まれます。価格・在庫はAmazon上で変動する場合があります。
Scoring method
How this ranking is scored
Scores are based on price, specs, usability, expansion and trust.
Scores are compared by capacity-band use case. Value and size are compared within the same band.
Sale price, distance from historic lows, yen/Wh, set value and availability.
AC output, USB-C/A, charging speed, solar input and UPS-related practicality.
Weight, size total, placement, portability and fit for real use cases.
Expansion batteries, max capacity, solar ecosystem and Amazon set availability.
Brand, warranty, support, safety, hands-on review and data confidence.
Open detailed scoring criteria
Detailed Japanese scoring criteria are used internally and will be translated after the Prime Day release.
Mini (〜299Wh)
サブ電源・UPS・2台持ちQuick comparison
Compare prices and key specs at a glance.
| Rank | Product | Price | Buy | Yen/Wh | Capacity | AC | Weight | Size total | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | EcoFlow EcoFlow RIVER 3 Plus | ¥32,172 | A | 112.5円/Wh | 286Wh | 600W | 4.7kg | 612mm | 90/100 |
| 2 | Anker Anker Solix C300 Portable Power Station | ¥34,990 | C | 121.5円/Wh | 288Wh | 300W | 4.1kg | 565mm | 85/100 |
| 3 | Jackery Jackery 100 Plus | ¥15,900 | C | 160.6円/Wh | 99Wh | 128W | 0.965kg | 299.5mm | 74/100 |
| 4 | BLUETTI BLUETTI AC2A | ¥18,760 | S | 91.6円/Wh | 204.8Wh | 300W | 3.6kg | - | 73/100 |
- ¥32,172All-time low ¥27,855価格未確定112.5円/WhUse-case fit△Short outage○Camping×Car stay◎Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓最小容量の本命
- ✓小型でもAC出力と拡張性を重視するなら有力候補です。
- ✓小型でもAC出力とUPSを重視する人
Notes- !単体容量は286Whで長時間運用は拡張前提
Recommended setCheck separately from unit priceExpansion setBuy CEcoFlow RIVER 3 Max（RIVER 3 Plus + EB290 セット・572Wh）
¥69,765All-time low ¥39,729EcoFlow RIVER 3 Plus専用エクストラバッテリー EB290If you plan to use solar or expansion batteries, compare the set price too.
- ¥34,990All-time low ¥23,990通常確認121.5円/WhUse-case fit△Short outage○Camping×Car stay◎Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓扱いやすさ重視
- ✓小型で扱いやすい万能寄りのモデルです。
- ✓持ち運びとAC出力を両立したい人
Notes- !拡張性は上位機ほど強くない
- ¥15,900All-time low ¥9,540ASIN確定済み・価格再取得待ち160.6円/WhUse-case fit×Short outage○Camping×Car stay◎Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓飛行機対応の小型枠
- ✓飛行機持ち込みやサブ用途向きです。
- ✓モバイルバッテリー寄りの軽量モデルが欲しい人
Notes- !AC家電用のポタ電としては用途が限られる
- ¥18,760All-time low ¥15,811通常確認91.6円/WhUse-case fit×Short outage○Camping×Car stay◎Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓価格次第の小型候補
- ✓価格重視なら比較候補です。
- ✓安い小型ポタ電を探す人
Notes- !容量と出力は上位候補より控えめ
Small (300〜599Wh)
軽量・車載・ソロキャンプQuick comparison
Compare prices and key specs at a glance.
| Rank | Product | Price | Buy | Yen/Wh | Capacity | AC | Weight | Size total | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | DJI DJI Power 500 | ¥52,622 | A | 102.8円/Wh | 512Wh | 1,000W | 7.3kg | 689mm | 86/100 |
| 2 | EcoFlow EcoFlow RIVER 2 Max | ¥39,661 | A | 77.5円/Wh | 512Wh | 500W | 6.1kg | 726mm | 81/100 |
| 3 | EcoFlow EcoFlow RIVER 3 Plus | ¥32,172 | A | 112.5円/Wh | 286Wh | 600W | 4.7kg | 612mm | 80/100 |
| 4 | Jackery Jackery Explorer 500 v2 | ¥59,800 | C | 116.8円/Wh | 512Wh | 500W | 5.7kg | 673mm | 73/100 |
- ¥52,622All-time low ¥44,980通常確認102.8円/WhUse-case fit○Short outage◎Camping△Car stay○Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓小容量の総合候補
- ✓500Wh級でバランスの良い候補です。
- ✓500Wh級で信頼性と使い勝手を重視する人
Notes- !拡張性や大容量運用は弱い
- ¥39,661All-time low ¥32,450通常確認77.5円/WhUse-case fit△Short outage◎Camping△Car stay○Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓定番の小容量候補
- ✓価格が下がると強い定番小容量モデルです。
- ✓価格と実績のバランスを重視する人
Notes- !最新機種と比べると出力や拡張性は控えめ
- ¥32,172All-time low ¥27,855Keepa評価C112.5円/WhUse-case fit△Short outage○Camping×Car stay◎Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓拡張セット候補
- ✓拡張セットとして注目候補です。
- ✓小型から始めて容量を足したい人
Notes- !セット価格が高いと単体500Wh級に負ける
Recommended setCheck separately from unit priceExpansion setBuy CEcoFlow RIVER 3 Max（RIVER 3 Plus + EB290 セット・572Wh）
¥69,765All-time low ¥39,729EcoFlow RIVER 3 Plus専用エクストラバッテリー EB290If you plan to use solar or expansion batteries, compare the set price too.
- ¥59,800All-time low ¥35,521ASIN再取得待ち116.8円/WhUse-case fit△Short outage◎Camping△Car stay◎Daily×Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓Jackery候補
- ✓Jackeryの小容量候補です。
- ✓Jackeryブランドで500Wh級を選びたい人
Notes- !セール価格と公式スペック確認が必要
Recommended setCheck separately from unit price
Solar setBuy CJackery 500 New + 100Wソーラー2点セット
¥94,600All-time low ¥56,192Jackery 100W ソーラーパネル 1枚同梱 100WIf you plan to use solar or expansion batteries, compare the set price too.
Medium (600〜999Wh)
キャンプ・小型家電Quick comparison
Compare prices and key specs at a glance.
| Rank | Product | Price | Buy | Yen/Wh | Capacity | AC | Weight | Size total | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | EcoFlow EcoFlow RIVER 3 Max Plus | ¥99,792 | C | 116.3円/Wh | 858Wh | 600W | 10.5kg | 612mm | 89/100 |
| 2 | BLUETTI BLUETTI AC70 | ¥42,800 | S | 55.7円/Wh | 768Wh | 1,000W | 10.2kg | 779.3mm | 86/100 |
| 3 | Anker Anker SOLIX C800 Plus Portable Power Station | ¥64,000 | S | 83.3円/Wh | 768Wh | 1,200W | 10.9kg | - | 84/100 |
| 4 | EcoFlow EcoFlow RIVER 2 Pro | ¥44,000 | S | 57.3円/Wh | 768Wh | 800W | 7.8kg | 754mm | 78/100 |
| 5 | Jackery Jackery Explorer 600 Plus | ¥65,000 | A | 102.8円/Wh | 632Wh | 800W | 7.3kg | 716mm | 76/100 |
- ¥99,792All-time low ¥52,474通常確認116.3円/WhUse-case fit○Short outage◎Camping○Car stay△Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓中容量の本命候補
- ✓中容量帯の有力候補です。
- ✓700から900Wh級で高出力と拡張性を重視する人
Notes- !セット品としての価格評価が必要
- ¥42,800All-time low ¥39,204買い時候補55.7円/WhUse-case fit○Short outage◎Camping○Car stay△Daily△Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓コスパ有力
- ✓価格重視なら強い候補です。
- ✓価格と容量のバランスを重視する人
Notes- !拡張性は強くない
- ¥64,000All-time low ¥56,000通常確認83.3円/WhUse-case fit○Short outage◎Camping○Car stay△Daily△Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓Anker中容量候補
- ✓Ankerで中容量を選びたい人向けです。
- ✓Ankerのサポートやブランド感を重視する人
Notes- !価格が高いと競合に負けやすい
- ¥44,000All-time low ¥39,204通常確認57.3円/WhUse-case fit○Short outage◎Camping○Car stay○Daily△Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓旧定番候補
- ✓価格が安ければ候補に残ります。
- ✓価格が下がった旧定番を狙う人
Notes- !最新機と比べると訴求は弱い
- ¥65,000All-time low ¥52,000ASIN再取得待ち102.8円/WhUse-case fit○Short outage◎Camping○Car stay○Daily△Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓Jackery中容量候補
- ✓Jackeryの600Wh級候補です。
- ✓Jackeryで600Wh級を探す人
Notes- !価格と比較材料が未確定
Large (1000〜1500W class)
防災・メイン電源Quick comparison
Compare prices and key specs at a glance.
| Rank | Product | Price | Buy | Yen/Wh | Capacity | AC | Weight | Size total | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | BLUETTI BLUETTI AC180 | ¥59,268 | SS | 51.4円/Wh | 1,152Wh | 1,800W | 16.4kg | 904mm | 91/100 |
| 2 | DJI DJI Power 1000 V2 | ¥69,850 | S | 68.2円/Wh | 1,024Wh | 2,600W | 14.2kg | - | 90/100 |
| 3 | EcoFlow EcoFlow DELTA 3 Plus | ¥149,600 | C | 146.1円/Wh | 1,024Wh | 1,500W | 12.5kg | 883.2mm | 89/100 |
| 4 | Anker Anker Solix C1000 Gen 2 Portable Power Station | ¥99,990 | C | 97.6円/Wh | 1,024Wh | 1,550W | 11.3kg | 836mm | 83/100 |
| 5 | Jackery Jackery Explorer 1000 Plus | ¥94,800 | S | 75.0円/Wh | 1,264Wh | 2,000W | 14.5kg | - | 82/100 |
- ¥59,268All-time low ¥59,268全期間最安以下51.4円/WhUse-case fit◎Short outage○Camping◎Car stay△Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓大容量コスパ最有力
- ✓価格重視なら大容量帯の有力候補です。
- ✓1000Wh級を安く買いたい人
Notes- !拡張非対応
- ¥69,850All-time low ¥54,999通常確認68.2円/WhUse-case fit◎Short outage○Camping◎Car stay△Daily○Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓信頼性重視
- ✓信頼性と価格のバランスが良い候補です。
- ✓1000Wh級で完成度とブランド信頼を重視する人
Notes- !拡張性やセット提案は弱め
- ¥149,600All-time low ¥67,315通常確認146.1円/WhUse-case fit◎Short outage○Camping◎Car stay△Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓EcoFlow大容量本命
- ✓大容量帯のバランス型候補です。
- ✓急速充電や日常の防災用を重視する人
Notes- !Prime Day価格次第で順位変動
- ¥99,990All-time low ¥56,420通常確認97.6円/WhUse-case fit◎Short outage○Camping◎Car stay△Daily○Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓Anker万能候補
- ✓セール価格次第で上位候補です。
- ✓Ankerで1000Wh級の万能機を選びたい人
Notes- !現時点価格は最安から遠い
Recommended setCheck separately from unit price
Solar setBuy CAnker Solix C1000 Gen 2 + 100Wソーラーセット
¥130,900All-time low ¥81,900Anker 100W Compact ソーラーパネル同梱 100WIf you plan to use solar or expansion batteries, compare the set price too.
- ¥94,800All-time low ¥88,000Keepa評価S75.0円/WhUse-case fit◎Short outage○Camping◎Car stay△Daily○Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓拡張重視候補
- ✓拡張性重視なら候補です。
- ✓将来的に容量拡張したい人
Notes- !本体サイズと価格が重くなりやすい
X-Large (2000W class+)
家庭バックアップ・高出力Quick comparison
Compare prices and key specs at a glance.
| Rank | Product | Price | Buy | Yen/Wh | Capacity | AC | Weight | Size total | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | EcoFlow EcoFlow | ¥95,190 | S | 49.6円/Wh | 1,920Wh | 1,000W | 17.5kg | 869mm | 91/100 |
| 2 | DJI DJI Power 2000 | ¥125,000 | A | 61.0円/Wh | 2,048Wh | 2,700W | 22kg | 997mm | 90/100 |
| 3 | BLUETTI BLUETTI AORA 300 | ¥179,450 | S | 59.5円/Wh | 3,014.4Wh | 2,000W | 26.3kg | 969mm | 89/100 |
| 4 | Anker Anker SOLIX C2000 Gen 2 Portable Power Station | ¥199,900 | C | 97.6円/Wh | 2,048Wh | 2,000W | 18.9kg | 966mm | 88/100 |
| 5 | EcoFlow EcoFlow DELTA 3 Max Plus | ¥154,988 | S | 75.7円/Wh | 2,048Wh | 3,000W | 22.1kg | - | 87/100 |
| 6 | Jackery Jackery Explorer 2000 Plus | ¥285,000 | B | 139.5円/Wh | 2,043Wh | 3,000W | 27.9kg | - | 86/100 |
| 7 | EcoFlow EcoFlow DELTA 3 Max | ¥109,800 | S | 53.6円/Wh | 2,048Wh | 2,200W | 20.3kg | - | 81/100 |
- ¥95,190All-time low ¥86,679買い時候補49.6円/WhUse-case fit◎Short outage△Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓超大容量の軽量本命
- ✓2000Wh級を扱いやすく選びたい人向けです。
- ✓2000Wh級を軽く扱いたい人
Notes- !拡張性や最高出力は上位機に譲る
- ¥125,000All-time low ¥105,000通常確認61.0円/WhUse-case fit◎Short outage×Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓超大容量コスパ候補
- ✓価格と信頼性のバランスが良い2000Wh級です。
- ✓2000Wh級で価格と信頼性を重視する人
Notes- !拡張性は競合ほど強くない
- ¥179,450All-time low ¥161,50490日平均より安い59.5円/WhUse-case fit◎Short outage×Camping○Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓3000Wh級の高コスパ候補
- ✓3000Wh級を省スペースに選びたい人向けの注目候補です。
- ✓2000Wh級では足りず、3000Wh級をできるだけ省スペースに導入したい人
Notes- !定格ACは2000Wなので、3000W級の高出力機としては見せない
- ¥199,900All-time low ¥98,950通常確認97.6円/WhUse-case fit◎Short outage×Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓Anker超大容量候補
- ✓性能重視の2000Wh級候補です。
- ✓Ankerで2000Wh級を選びたい人
Notes- !価格が下がらないと上位にしにくい
- ¥154,988All-time low ¥149,880通常確認75.7円/WhUse-case fit◎Short outage×Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓高出力・拡張重視
- ✓高出力と拡張性を重視する人向けです。
- ✓高出力と大きな拡張性を重視する人
Notes- !Keepa最安値データに異常値疑いがある
- ¥285,000All-time low ¥173,850Keepa評価B139.5円/WhUse-case fit◎Short outage×Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓拡張最重視
- ✓拡張性重視なら比較候補です。
- ✓将来的に超大容量へ拡張したい人
Notes- !価格と重量がネック
- ¥109,800All-time low ¥96,590通常確認53.6円/WhUse-case fit◎Short outage×Camping◎Car stay×Daily◎Long disaster
× means poor fit, △ conditional, ○ practical and ◎ especially strong.
Good- ✓価格次第の2000Wh候補
- ✓価格次第で候補に入ります。
- ✓2000Wh級を価格重視で選びたい人
Notes- !Max Plusより拡張性や訴求が弱い
