Watson RC-2220C3S User manual
RC-2220C3S
RC LiPo Battery with XT60 Connector
Thank you for choosing Watson
This lithium-polymer (LiPo) battery features an XT60 connector commonly found in
remote-controlled (RC) vehicles, including many quadcopters and drones. This battery
offers a 2,200 mAh capacity and 20 C discharge rate in a compact, lightweight size that
is ideal for an airborne RC vehicle. Please read and follow these precautions and keep
this manual in a safe place.
GENERAL PRECAUTIONS
Do not strike, bend, or short-circuit this battery.
Do not attempt to disassemble this battery or replace the bare cells.
Do not throw this battery into a fire or soak it in liquid.
Do not store this battery in an environment that may exceed 104°F (40°C).
If you are using this battery with an RC vehicle, always return the vehicle to a state of
rest when battery power is running low.
Dispose of used or damaged batteries according to local regulations.
Store this battery in a partially charged state and out of the reach of children.
All photos are for illustrative purposes only.
CHARGING PRECAUTIONS
Before using this battery for the first time, fully charge it with a LiPo-specific balance
charger that has the proper JST-XH connection for the battery (see diagram).
Charge LiPo batteries only with LiPo-specific balance chargers. Other types of
chargers are not recommended.
Battery charging currents should never exceed the manufacturer’s specified
maximum. Higher charging currents may result in insufficient charging, inadequate
performance, overheating, and leakage.
Charge this battery at a maximum of 4.25 V per cell. Series charging is not recom-
mended.
Charge this battery only in environments with temperatures between 59°F and 95°F
(15°C and 35°C). Temperatures outside this range may lead to insufficient charging
and inefficient charging and discharging. If the battery’s surface temperature
exceeds , terminate charging immediately.
Make sure to properly connect the positive (+) and negative (-) electrodes of the
battery and to strictly avoid reverse charging. Reverse charging can destroy the
battery cells, reduce the charging and discharging performance, and/or result in
overheating, leakage, and unsafe performance.
If anything abnormal occurs during the charging process, terminate charging
immediately.
USAGE PRECAUTIONS
Always check the battery pack’s voltage before use. The voltage difference between
any two cells should be within 30 mV. If the voltage difference is between 30 and 100
mV, we recommend recharging the battery. If the voltage difference between two
cells is greater than 100 mV, you will need to recharge the battery. Failure to do so
may cause the cell with lower voltage to over-discharge and can lead the battery to
swell and overheat. It can also cause a shorter cycle-life and adversely affect the
battery’s performance.
Do not exceed the battery’s maximum discharge rate. Doing so may cause the battery
to overheat and swell, which can lead to a shorter cycle life, generally deteriorated
performance, breakage, or an internal short-circuit.
During the discharge process, make sure the battery temperature does not exceed
149°F (65°C). If the battery temperature exceeds 149°F (65°C), stop using the battery
immediately and let it cool to room temperature. Temperatures exceeding 149°F
(65°C) may result in battery swelling and inadequate performance.
Make sure the cut-off voltage is not lower than 3.0 V. Lower cut-off voltages may
lead to over-discharging and adversely affect the battery’s performance. We
recommend a cut-off voltage no lower than 3.3 V.
STORAGE AND TRANSPORTATION PRECAUTIONS
Use caution when transporting this battery. Make sure to pack it in soft materials for
protection. Avoid severe vibrations, shocks, and high temperatures during transportation.
During long-term storage, this battery should be stored at approximately 3.8 V/cell
(approximately 50% charged) or in the semi-electric status at approximately 3.8 V. To
maintain the battery, charge it fully and discharge it 50% once a month.
Store this battery in an environment with low humidity and a temperature range of
-4°F to 104°F (-20°C to 40°C).
SPECIFICATIONS
Connector:
Capacity:
Maximum
discharge rate: 20 C
Configuration: 3 S
Voltage: 11.1 V
Dimensions 1.3 x 0.9 x 4.2 in.
(W x H x D): (3.3 x 2.3 x 10.7 cm)
Weight 6.2 oz. (175.8 g)
XT60
2,200 mAh
ONE-YEAR LIMITED WARRANTY
Watson provides a limited warranty to the original purchaser that this product is free from
defects in materials and workmanship under normal consumer use for a period of one (1) year
from the original purchase date or thirty (30) days after replacement, whichever occurs later.
Watson’s responsibility with respect to this limited warranty shall be limited solely to repair or
replacement, at Watson’s discretion, of any product that fails during normal consumer use.
Inoperability of the product or part(s) shall be determined by Watson. If the product has been
discontinued, we reserve the right to replace it with a model of equivalent quality and function.To obtain warranty coverage, contact Watson to obtain a return merchandise authorization
(“RMA”) number, and return the defective product to Watson, along with the RMA number and
proof of purchase. Shipment of the defective product is at the purchaser’s own risk.This
warranty does not cover damage or defect caused by misuse, neglect, accident, alteration,
abuse, improper installation or maintenance. EXCEPT AS PROVIDED HEREIN, WATSON MAKES
NEITHER ANY EXPRESS WARRANTIES NOR ANY IMPLIED WARRANTIES, INCLUDING BUT NOT
LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. This warranty provides you with specific legal rights, and you may also have
additional rights that vary from state to state.
www.poweredbywatson.com © 2013 Gradus Group
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