• They should be 2 in series (7.5V) and 3 in parallel (*.*Ah). After a full charge the output voltage on the battery should read 8.4V. How are you measuring the voltage? Off load or on load as it will differ.
    You said you have bought replacements? Do you mean cells to make you’re own or a complete built battery.
    The guys above have covered most o…[Read more]