Common Sense RC • www.CommonSenseRC.com
Toll-Free Phone: 866-405-8811 • International Callers: 818-718-1893 • Fax: 818-718-6742
BASIC LITHIUM POLYMER (LiPo) BATTERY INSTRUCTIONS
Dear customer,
If you are unclear about any of the information presented here, please contact us PRIOR to charging or discharging
these batteries.
IMPORTANT SAFETY INSTRUCTIONS AND WARNINGS
Read all safety instructions and warnings prior to using or charging this battery.
• By purchasing this battery, the buyer assumes all risks associated with lithium batteries. We assume no liability for
failure to comply with these warnings and safety guidelines. If you do not agree with these terms and conditions,
return the battery in new, unused condition to the place of purchase.
• Lithium Polymer batteries are volatile and can be very dangerous if mis-handled, stored, charged or discharged
improperly. Failure to read and follow these instructions may result in re, personal injury, damage to property, and
will also void the warranty.
GENERAL GUIDELINES AND WARNINGS
1) Charge only with a lithium polymer (LiPo) battery charger.
2) Use a balancing charger or cell balancer every time you charge your LiPo battery packs. A LiPo battery is
considered balanced if all the individual cells in the battery pack within 0.05V of each other. The balancing function
maintains this during charging to ensure individual cells are not overcharged and damaged.
3) Never charge lithium polymer batteries unattended.
4) Always charge in a re-resistant container on a non-ammable surface (like concrete) at least ve feet away
from any ammable objects.
5) Do not charge battery to more than 4.20V per cell.
6) Do not discharge below 3.20V per cell under load (approximately 3.5-3.6V per cell resting voltage). Make sure
to activate the Low Voltage Cut-o (LVC) in your device before using a LiPo battery in it.
7) Store battery at 40-50% charged (approximately 3.80V-3.90V per cell). Storing LiPos fully charged or depleted
will shorten battery life dramatically and void warranty.
8) Store below 80° F and above 40° F (not in direct sunlight). Never store or charge a battery pack inside your car
in extreme temperatures (100° F and above), extreme temperatures could cause re.
9) Do not leave your battery plugged into any device (including a charger or vehicle) when the battery is not
in use or charging. This can lead to the battery being discharged below the minimum 3.2V per cell and permanently
damage the battery.
10) Do not expose the battery to moisture or submerge it in liquid. This battery is not waterproof or water resistant.
Exposure to moisture or liquid will damage electrical components and create a major risk of short circuit and re
hazard. If the battery is exposed to moisture or liquid at any point, it should no longer be used.
Please take some time and follow these steps in order to assure that you have the best possible experience with your
Lectron Pro LiPo pack. Failure to follow these steps will void your warranty.
1) Read these instructions in their entirety before using this product.
2) Inspect the pack for any obvious damage to the wiring or cells. Contact us if the pack is damaged, even a little bit.
3) Check the voltage of each individual cell in your battery pack. Each cell should be around 3.8V (+/- 0.2V), and the
cells should all be within 0.1V of each other. If the battery pack is not within these tolerances, please contact us.
4) If necessary, solder a connector to the output leads of the pack (see warnings below).
5) Charge the battery pack, using either a balancing charger or a series charger in conjunction with a balancer. You
must balance the battery every time you charge it. Even small imbalances can lead to overcharging of individual
cells with a standard series charger, resulting in damage to the pack, and potential re hazard. You must select
the charge rate current that does not exceed 1C (one times the capacity of the battery) unless otherwise noted on
the battery’s label. A higher setting may cause damage to your battery pack and possible re hazard. The following
chart of examples is calculated at 1x capacity of pack. Generally speaking, charging at even lower rates will extend
battery life.
800 mAh: Charge at or below 0.8 Amps
1500 mAh: Charge at or below 1.5 Amps
6000 mAh: Charge at or below 6.0 Amps
6) Check the cell voltages after charging. The cells should be in balance with each other (within 0.05V of all other
cells in the pack), and no cell should exceed 4.20V. If any cell is above 4.20V, contact your charger’s manufacturer,
as the charger is not functioning properly and could cause a re.
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