Tip & How-To about Solar BA7 100-1200CCA Electronic Battery and System Tester

SOLAR BA7 battery and system tester

Using the SOLAR BA7 to test a battery.
MAC using SOLAR BA7 to diagnose bad battery

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what is a load tester for a batterie


A load tester is typically a resistance pack with an amp gauge to see how the battery deals with current draw. most automotive parts stores have one to bench test car/motorcycle batteries, which they do at no charge (pardon the pun).

Batteries can have a "surface charge"(voltage) which will supply low current at the specified voltage from a battery with bad cells, but when a real operating load, such as for an electric motor, the charge drops to zip..

If the charger is putting out voltage to the battery while it's plugged in then it would definitely be a battery issue, generally the charging system for electric wheel-chairs has regulatory circuits to prevent over charging so having one plugged in when not in use typically doesn't cause issues.

Sep 14, 2014 | Solar 125 Amp Analog Battery Load Tester

3 Answers

battery goes dead instantly


TAKE BATTERY TO AUTO PARTS STORE FOR A LOAD TEST PROCEDURE, MAKE SURE THE CASE IT IS PUT IN HAS THE DOOR CLOSED FOR YOUR SAFETY, BATTERIES SOMETIMES DO "EXPLODE" AND ACID FLYING IS NOT GOOD. IF BATTERY IS NOT GOOD, I WILL SUGGEST YOUR BUY AN AMPHOROUS SOLAR POWERED BATTERY CHARGING PANEL, THEY COST BOUT 30 BUCKS AND WILL KEEP YOUR BATTERY CHARGED UP OVER LONG PERIODS OF TIME.

Nov 20, 2011 | 2000 Cadillac DeVille

1 Answer

we have set up the solar power fountain with pump as per instructions. The pump is submerged, solar cell in full sun for 3 days, but the pump does nothing. doesn't even make a sound. Its an 8 watt solar cell and its all connected to the battery/control box


Using a battery/volt meter, check if the battery has a full charge. Also check if there is an on/off switch on the back of the solar panel. If the batteries are removable and are standard batteries, charge them using an AC battery charger the first time. If not, you may have a defective solar panel and should return it to the store/manufacturer.

Aug 20, 2011 | Solar Powered Pond Fountain Pump Kit - 80...

2 Answers

Casio 2688 Wave Ceptor - No Display


On the solar charge watches, they use a chargeable Lithium battery. It is NOT an off the shelf regular battery! It is best to send the watch to the factory service rep in your area for a battery change.

In many of these models the battery is using solder contacts to the circuit board. The person changing the battery will require the original spec battery, and be equiped to do surface type soldering.

When working on this watch, the factory service will change the seals and do a pressure water resistance test. The regular corner watch service store is not equiped to do this type of testing.

Normaly, the battery in solar watches should last more than 5 years. Some are going past 10 years!


Jerry G.

Feb 23, 2008 | Casio Wave Ceptor WV57HA-1AV Wrist Watch

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