Hi-Watt ER6MX Heavy Duty Zinc Chloride AA Battery
Tested at 200mA and 500mA (manufacturer spec 800mAh) test result 208-426mAh
Click here for rechargeable battery test results.
Summary of results, updated 13th July 2026.
Sorted by 500mA where available.
Disposable AA 1.5v cells
Disposable AAA 1.5v cells
Fujitsu Heavy Duty AA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 271-505mAh
Panasonic Zinc Chloride AA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 293-513mAh
Wilko Zinc Chloride AA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 342-530mAh
Kodak Super Heavy duty Zinc AA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 360-513mAh
EBL Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 540-729mAh
Halfords essentials AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 735-929mAh
Panasonic Alkaline Power AA
Tested at 200mA & 1A (manufacturer spec n/a) test result 718-948mAh
Sony Stamina Plus Alkaline AA
Tested at 200mA & 1A (manufacturer spec n/a) test result 719-958mAh
Logik Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 826-959mAh
Camelion Plus Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 853-980mAh
Akai Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 844-983mAh
PowerADD Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 701-1074mAh
PKCELL Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 937-1098mAh
eBuyer Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 922-1098mAh
Vapex Plus Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 699-1103mAh
Uniross Power Plus AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 806-1154mAh
GP Ultra Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 836-1168mAh
7DAYSHOP Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 999-1172mAh
Duracell Industrial AA
Tested at 500mA and 1000mA (manufacturer spec approx 1000mAh) test result 824-1172mAh
ASDA long life Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 959-1230mAh
PoundMax Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 905-1238mAh
nx-power Tech Alkaline AA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 1040-1289mAh
Daewoo Super Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 933-1290mAh
Ansmann Industrial Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 973-1293mAh
ReadyCell super Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 1027-1316mAh
Eveready Gold Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 910-1328mAh
Wilko Alkaline AA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 966-1346mAh
Varta Industrial Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 1020-1362mAh
Boots Extra Long Life Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 962-1437mAh
Manufacturer spec: N/A
Philips Industrial Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 949-1441mAh
Toshiba Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 1058-1441mAh
Amazon Basics Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 1015-1450mAh
Energizer Max AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 1098-1465mAh
Tesco Long Life Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 1020-1468mAh
Energizer Industrial AA
Tested at 500mA and 1000mA (manufacturer spec n/a) test result 1120-1525mAh
Tesco Extra Long Life Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 1086-1525mAh
Tecxus Alkaline AA
Tested at 1A & 500mA (manufacturer spec n/a) test result 1105-1543mAh
Power Master Alkaline AA
Tested at 500mA & 1A (manufacturer spec n/a) test result 1138-1569mAh
Pifco Ultimate AA Alkaline
Tested at 1A & 500mA (manufacturer spec n/a) test result 1116-1652mAh
Energizer Ultimate Lithium AA
Tested at 200mA 500mA & 1A (manufacturer spec approx 3500mAh) test result 1866-2455mAh
Kodak Super Heavy duty Zinc AAA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 140-225mAh
Kodak Heavy Duty Zinc Chloride AAA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 144-237mAh
Wilko Zinc Chloride AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 151-260mAh
eBuyer Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 284-518mAh
Duracell Duralock AAA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 308-508mAh
PKCELL Alkaline AAA
Tested at 500mA & 200mA (manufacturer spec n/a) test result 341-616mAh
Supacell digital Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 386-610mAh
"AA" Branded, Performance Plus Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 429-636mAh
Uniross Power Plus AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 434-728mAh
Power Flash Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 444-733mAh
Energizer Industrial AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 450-618mAh
Logik Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 450-639mAh
Energizer Max AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 453-668mAh
Duracell Industrial AAA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 467-661mAh
Power Master Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 471-753mAh
Fusiomax Endurance Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 478-625mAh
"JCB" Branded Alkaline AAA
Tested at 500mA & 200mA (manufacturer spec n/a) test result 495-777mAh
Wilko Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 495-651mAh
Ultra Max Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 506-688mAh
PoundMax Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 933-1290mAh
Kodak Xtralife Alkaline AAA
Tested at 200mA and 500mA (manufacturer spec n/a) test result 482-667mAh
Daewoo Super Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 519-754mAh
nx-power Tech Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 535-730mAh
Boots Extra Long Life Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 540-740mAh
ReadyCell super Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 540-790mAh
Amazon Basics Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 548-812mAh
KTS Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 569-835mAh
Tesco Extra Long Life Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 574-821mAh
Varta Industrial Alkaline AAA
Tested at 500mA & 200mA (manufacturer spec n/a) test result 576-859mAh
Maxell Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 588-803mAh
Pifco Ultimate AAA Alkaline
Tested at 500mA & 200mA (manufacturer spec n/a) test result 604-943mAh
Philips Industrial Alkaline AAA
Tested at 200mA & 500mA (manufacturer spec n/a) test result 631-917mAh
