Interested in reviews of GP Eco E821 + 4× AA 2100 + 4× AAA 850? It got 4.8 out of 5 stars from our customers. Find specific customer reviews of GP Eco E821 + 4× AA 2100 + 4× AAA 850 below. We will appreciate if you also share your experiences with GP Eco E821 + 4× AA 2100 + 4× AAA 850 after purchasing.
Rated 18/09/2025, variant GP Eco E821 + 4× AA 2100 + 4× AAA 850
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Matěj, Praha
Rated 13/01/2025, variant GP Eco E821 + 4× AA 2100 + 4× AAA 850
Verified purchase
Compact and charges 8 batteries at the same time
Slower, but the battery does not overheat unlike other chargers (250-400mA per shaft)
8 batteries per pack
USB
Battery status detection for 1st slot
Charges non-GP batteries (unlike the GP Speed M451)
Micro USB - nowadays a bit outdated
4 channels for 8 batteries - so can only be charged in pairs
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