Battery Chargers, Testers, and Test Procedures

Discuss specific cell chargers, capacity testers, and testing methods.
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opus display...
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2
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4K
TheBatteries
TheBatteries
Inverted 18650
OPUS eBay, round 2
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17
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15K
Steve Kopesky
S
TheBatteries
Powerwall 010: Fixing Broken Opus BT-C3100 Charger Spring Negative Paddle
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1
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4K
Korishan
Korishan
M
Powering an Opus charger from battery bank
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6
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6K
Mark Lex
M
A
Fan fix for overheating Opus charger
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5
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7K
The-J-Man
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1
high amp tp4056
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6
Views
8K
1958 greyhound
1
John
Cheap eBay Opus BT-C3100 on ebay - Ripoff?
2 3
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43
Views
43K
Robert Baumer
R
wimpie007
Opus pulsing between 1A and 0A during discharge
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8
Views
7K
1958 greyhound
1
John
Opus battery tester charging rate?
2
Replies
36
Views
36K
Eric Koshinsky
E
T
Opus chargers
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6
Views
6K
daromer
daromer
Inverted 18650
Opus BT-C1000 on eBay for $10
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3
Views
4K
Inverted 18650
Inverted 18650
D
TP4056 amp feed
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3
Views
5K
Korishan
Korishan
John
Opus BT - Any way to make 1000 ma rate default?
Replies
11
Views
12K
owitte
owitte
1
TP4056
Replies
0
Views
2K
1958 greyhound
1
John
Opus power connector?
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1
Views
3K
daromer
daromer
John
OPUS battery tester: C3100 vs C3400?
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2
Views
6K
Robert Baumer
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John
Opus tester - How do I know when it is done?
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9
Views
9K
Korishan
Korishan
Korishan
TP4056 In Parallel???
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8
Views
19K
Korishan
Korishan
R
Recommended procedure for charging with OPUS BT-C3100 v2.2?
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3
Views
6K
daromer
daromer
Alec_J
Best multiple cell charger/discharger?
Replies
13
Views
23K
daromer
daromer
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